The adjective forms that you are learning here are the polite forms. These are used in formal settings, like some businesses, at school, or any time you want to sound polite. There are both more and less polite forms of these words in Japanese that you will learn later in your studies, but these generically polite forms are a safe bet to learn now, as they are acceptable in a wide variety of situations.
Deriving new forms from the dictionary form of い-adjectives is a simple process. The present affirmative is created by simply adding the copula ‘です’ to the end of the adjective. For the present negative, we first remove the final ‘い’ and then append ‘くないです’ or the more conservative ‘くありません’ to the newly fashioned stem. To create the past affirmative, we remove the final ‘い’ and add ‘かったです’ to the end of the adjective. The past negative is made from the same base as the present negative, but instead we add ‘くなかったです’ or the more conservative ‘くありませんでした.’
Thus, we arrive at the following answers:
新しいです（あたらしいです）
新しくないです・新しくありません（あたらしくないです・あたらしくありません）
新しかったです（新しかったです）
新しくなかったです・新しくありませんでした（あたらしくなかったです・あたらしくありませんでした）

Deriving new forms from the dictionary form of い-adjectives is a simple process. The present affirmative is created by simply adding the copula ‘です’ to the end of the adjective. For the present negative, we first remove the final ‘い’ and then append ‘くないです’ or the more conservative ‘くありません’ to the newly fashioned stem. To create the past affirmative, we remove the final ‘い’ and add ‘かったです’ to the end of the adjective. The past negative is made from the same base as the present negative, but instead we add ‘くなかったです’ or the more conservative ‘くありませんでした.’
Thus, we arrive at the following answers:
新しいです（あたらしいです）
新しくないです・新しくありません（あたらしくないです・あたらしくありません）
新しかったです（新しかったです）
新しくなかったです・新しくありませんでした（あたらしくなかったです・あたらしくありませんでした）

The adjective forms that you are learning here are the polite forms. These are used in formal settings, like some businesses, at school, or any time you want to sound polite. There are both more and less polite forms of these words in Japanese that you will learn later in your studies, but these generically polite forms are a safe bet to learn now, as they are acceptable in a wide variety of situations.
Deriving new forms from the dictionary form of い-adjectives is a simple process. The present affirmative is created by simply adding the copula ‘です’ to the end of the adjective. For the present negative, we first remove the final ‘い’ and then append ‘くないです’ or the more conservative ‘くありません’ to the newly fashioned stem. To create the past affirmative, we remove the final ‘い’ and add ‘かったです’ to the end of the adjective. The past negative is made from the same base as the present negative, but instead we add ‘くなかったです’ or the more conservative ‘くありませんでした.’
Thus, we arrive at the following answers:
忙しいです
忙しくないです・忙しくありません
忙しかったです
忙しくなかったです・忙しくありませんでした（いそがしくなかったです・いそがしくありませんでした）

Deriving new forms from the dictionary form of い-adjectives is a simple process. The present affirmative is created by simply adding the copula ‘です’ to the end of the adjective. For the present negative, we first remove the final ‘い’ and then append ‘くないです’ or the more conservative ‘くありません’ to the newly fashioned stem. To create the past affirmative, we remove the final ‘い’ and add ‘かったです’ to the end of the adjective. The past negative is made from the same base as the present negative, but instead we add ‘くなかったです’ or the more conservative ‘くありませんでした.’
Thus, we arrive at the following answers:
忙しいです
忙しくないです・忙しくありません
忙しかったです
忙しくなかったです・忙しくありませんでした（いそがしくなかったです・いそがしくありませんでした）

The adjective forms that you are learning here are the polite forms. These are used in formal settings, like some businesses, at school, or any time you want to sound polite. There are both more and less polite forms of these words in Japanese that you will learn later in your studies, but these generically polite forms are a safe bet to learn now, as they are acceptable in a wide variety of situations.
Deriving new forms from the dictionary form of い-adjectives is a simple process. The present affirmative is created by simply adding the copula ‘です’ to the end of the adjective. For the present negative, we first remove the final ‘い’ and then append ‘くないです’ or the more conservative ‘くありません’ to the newly fashioned stem. To create the past affirmative, we remove the final ‘い’ and add ‘かったです’ to the end of the adjective. The past negative is made from the same base as the present negative, but instead we add ‘くなかったです’ or the more conservative ‘くありませんでした.’
Thus, we arrive at the following answers:
寒いです（さむいです）
寒くないです・寒くありません（さむくないです・さむくありません）
寒かったです（さむかったです）
寒くなかったです・寒くありませんでした（さむくなかったです・さむくありませんでした）

Deriving new forms from the dictionary form of い-adjectives is a simple process. The present affirmative is created by simply adding the copula ‘です’ to the end of the adjective. For the present negative, we first remove the final ‘い’ and then append ‘くないです’ or the more conservative ‘くありません’ to the newly fashioned stem. To create the past affirmative, we remove the final ‘い’ and add ‘かったです’ to the end of the adjective. The past negative is made from the same base as the present negative, but instead we add ‘くなかったです’ or the more conservative ‘くありませんでした.’
Thus, we arrive at the following answers:
寒いです（さむいです）
寒くないです・寒くありません（さむくないです・さむくありません）
寒かったです（さむかったです）
寒くなかったです・寒くありませんでした（さむくなかったです・さむくありませんでした）

The adjective forms that you are learning here are the polite forms. These are used in formal settings, like some businesses, at school, or any time you want to sound polite. There are both more and less polite forms of these words in Japanese that you will learn later in your studies, but these generically polite forms are a safe bet to learn now, as they are acceptable in a wide variety of situations.
Deriving new forms from the dictionary form of い-adjectives is a simple process. The present affirmative is created by simply adding the copula ‘です’ to the end of the adjective. For the present negative, we first remove the final ‘い’ and then append ‘くないです’ or the more conservative ‘くありません’ to the newly fashioned stem. To create the past affirmative, we remove the final ‘い’ and add ‘かったです’ to the end of the adjective. The past negative is made from the same base as the present negative, but instead we add ‘くなかったです’ or the more conservative ‘くありませんでした.’
Thus, we arrive at the following answers:
難しいです（むずかしいです）
難しくないです・難しくありません（むずかしくないです・むずかしくありません）
難しかったです（むずかしかったです）

Deriving new forms from the dictionary form of い-adjectives is a simple process. The present affirmative is created by simply adding the copula ‘です’ to the end of the adjective. For the present negative, we first remove the final ‘い’ and then append ‘くないです’ or the more conservative ‘くありません’ to the newly fashioned stem. To create the past affirmative, we remove the final ‘い’ and add ‘かったです’ to the end of the adjective. The past negative is made from the same base as the present negative, but instead we add ‘くなかったです’ or the more conservative ‘くありませんでした.’
Thus, we arrive at the following answers:
難しいです（むずかしいです）
難しくないです・難しくありません（むずかしくないです・むずかしくありません）
難しかったです（むずかしかったです）

The adjective forms that you are learning here are the polite forms. These are used in formal settings, like some businesses, at school, or any time you want to sound polite. There are both more and less polite forms of these words in Japanese that you will learn later in your studies, but these generically polite forms are a safe bet to learn now, as they are acceptable in a wide variety of situations.
Deriving new forms from the dictionary form of い-adjectives is a simple process. The present affirmative is created by simply adding the copula ‘です’ to the end of the adjective. For the present negative, we first remove the final ‘い’ and then append ‘くないです’ or the more conservative ‘くありません’ to the newly fashioned stem. To create the past affirmative, we remove the final ‘い’ and add ‘かったです’ to the end of the adjective. The past negative is made from the same base as the present negative, but instead we add ‘くなかったです’ or the more conservative ‘くありませんでした.’
Thus, we arrive at the following answers:
小さいです（ちいさいです）
小さくないです・小さくありません（ちいさくないです・ちいさくありません）
小さかったです（ちいさかったです）
小さくなかったです・小さくありませんでした（ちいさくなかったです・ちいさくありませんでした）

Deriving new forms from the dictionary form of い-adjectives is a simple process. The present affirmative is created by simply adding the copula ‘です’ to the end of the adjective. For the present negative, we first remove the final ‘い’ and then append ‘くないです’ or the more conservative ‘くありません’ to the newly fashioned stem. To create the past affirmative, we remove the final ‘い’ and add ‘かったです’ to the end of the adjective. The past negative is made from the same base as the present negative, but instead we add ‘くなかったです’ or the more conservative ‘くありませんでした.’
Thus, we arrive at the following answers:
小さいです（ちいさいです）
小さくないです・小さくありません（ちいさくないです・ちいさくありません）
小さかったです（ちいさかったです）
小さくなかったです・小さくありませんでした（ちいさくなかったです・ちいさくありませんでした）

The adjective forms that you are learning here are the polite forms. These are used in formal settings, like some businesses, at school, or any time you want to sound polite. There are both more and less polite forms of these words in Japanese that you will learn later in your studies, but these generically polite forms are a safe bet to learn now, as they are acceptable in a wide variety of situations.
In addition to its conjugation being irregular, ‘いい’ also has irregular kanji usage. When the first ‘い’ becomes ‘よ,’ it can be represented with the character ‘良,’ though it very often is just represented with the hiragana character. ‘良い’ is always read as ‘よい,’ which is a more polite and literary, but less natural way of saying ‘いい.’
Deriving the polite present affirmative and the polite present negative from the dictionary form of い-adjectives is a simple process, though a slightly irregular one for the adjective ‘いい.’ The present affirmative is created by simply adding the copula ‘です’ to the end of the adjective. For the present negative, we first change the initial ‘い’ to ‘よ,’ then remove the final ‘い,’ and finish by appending ‘くないです’ or the more conservative ‘くありません’ to the newly fashioned stem. To create the past affirmative, we change the initial ‘い’ to ‘よ,’ then remove the final ‘い,’ and finish by appending ‘かったです’ to the end of the adjective. The past negative is made from the same base as the present negative, but instead we add ‘くなかったです’ or the more conservative ‘くありませんでした.’
Thus, we arrive at the following answers:
いいです
良くないです・良くありません（よくないです・よくありません）
良かったです（よかったです）
良くなかったです・良くありませんでした（よくなかったです・よくありませんでした）

Deriving the polite present affirmative and the polite present negative from the dictionary form of い-adjectives is a simple process, though a slightly irregular one for the adjective ‘いい.’ The present affirmative is created by simply adding the copula ‘です’ to the end of the adjective. For the present negative, we first change the initial ‘い’ to ‘よ,’ then remove the final ‘い,’ and finish by appending ‘くないです’ or the more conservative ‘くありません’ to the newly fashioned stem. To create the past affirmative, we change the initial ‘い’ to ‘よ,’ then remove the final ‘い,’ and finish by appending ‘かったです’ to the end of the adjective. The past negative is made from the same base as the present negative, but instead we add ‘くなかったです’ or the more conservative ‘くありませんでした.’
Thus, we arrive at the following answers:
いいです
良くないです・良くありません（よくないです・よくありません）
良かったです（よかったです）
良くなかったです・良くありませんでした（よくなかったです・よくありませんでした）

The adjective forms that you are learning here are the polite forms. These are used in formal settings, like some businesses, at school, or any time you want to sound polite. There are both more and less polite forms of these words in Japanese that you will learn later in your studies, but these generically polite forms are a safe bet to learn now, as they are acceptable in a wide variety of situations.
Deriving the polite present affirmative and the polite present negative from the dictionary form of な-adjectives is a simple process. The present affirmative is created by omitting the ‘な’ that appears in the adjectival form and adding the copula ‘です’ to the end of the adjective. For the present negative, we add ‘じゃないです’ or the more conservative ‘じゃありません’ to the newly fashioned stem. To create the past affirmative, we simply add ‘でした’ to the base adjective, minus the ‘な,’ as we saw with the present affirmative. The past negative is made from the same base as the present negative, but instead we add ‘なかったです’ or the more conservative ‘ありませんでした’ after ‘じゃ.’ In both the present and past negatives, we can replace the contraction ‘じゃ’ with the uncontracted ‘では’ (pronounced ‘de wa’) to sound more formal—you will also see this form in the written language more often.
Thus, we arrive at the following answers:
暇です（ひまです）
暇じゃないです・暇じゃありません（ひまじゃないです・ひまじゃありません）
暇でした（ひまでした）
暇じゃなかったです・暇じゃありませんでした（ひまじゃなかったです・ひまじゃありませんでした）

Deriving the polite present affirmative and the polite present negative from the dictionary form of な-adjectives is a simple process. The present affirmative is created by omitting the ‘な’ that appears in the adjectival form and adding the copula ‘です’ to the end of the adjective. For the present negative, we add ‘じゃないです’ or the more conservative ‘じゃありません’ to the newly fashioned stem. To create the past affirmative, we simply add ‘でした’ to the base adjective, minus the ‘な,’ as we saw with the present affirmative. The past negative is made from the same base as the present negative, but instead we add ‘なかったです’ or the more conservative ‘ありませんでした’ after ‘じゃ.’ In both the present and past negatives, we can replace the contraction ‘じゃ’ with the uncontracted ‘では’ (pronounced ‘de wa’) to sound more formal—you will also see this form in the written language more often.
Thus, we arrive at the following answers:
暇です（ひまです）
暇じゃないです・暇じゃありません（ひまじゃないです・ひまじゃありません）
暇でした（ひまでした）
暇じゃなかったです・暇じゃありませんでした（ひまじゃなかったです・ひまじゃありませんでした）

The adjective forms that you are learning here are the polite forms. These are used in formal settings, like some businesses, at school, or any time you want to sound polite. There are both more and less polite forms of these words in Japanese that you will learn later in your studies, but these generically polite forms are a safe bet to learn now, as they are acceptable in a wide variety of situations.
Deriving the polite present affirmative and the polite present negative from the dictionary form of な-adjectives is a simple process. The present affirmative is created by omitting the ‘な’ that appears in the adjectival form and adding the copula ‘です’ to the end of the adjective. For the present negative, we add ‘じゃないです’ or the more conservative ‘じゃありません’ to the newly fashioned stem. To create the past affirmative, we simply add ‘でした’ to the base adjective, minus the ‘な,’ as we saw with the present affirmative. The past negative is made from the same base as the present negative, but instead we add ‘なかったです’ or the more conservative ‘ありませんでした’ after ‘じゃ.’ In both the present and past negatives, we can replace the contraction ‘じゃ’ with the uncontracted ‘では’ (pronounced ‘de wa’) to sound more formal—you will also see this form in the written language more often.
Thus, we arrive at the following answers:
賑やかです（にぎやかです）
賑やかじゃないです・賑やかじゃありません（にぎやかじゃないです・にぎやかじゃありません）
賑やかでした（にぎやかでした）
賑やかじゃなかったです・賑やかじゃありませんでした（にぎやかじゃなかったです・にぎやかじゃありませんでした）

Deriving the polite present affirmative and the polite present negative from the dictionary form of な-adjectives is a simple process. The present affirmative is created by omitting the ‘な’ that appears in the adjectival form and adding the copula ‘です’ to the end of the adjective. For the present negative, we add ‘じゃないです’ or the more conservative ‘じゃありません’ to the newly fashioned stem. To create the past affirmative, we simply add ‘でした’ to the base adjective, minus the ‘な,’ as we saw with the present affirmative. The past negative is made from the same base as the present negative, but instead we add ‘なかったです’ or the more conservative ‘ありませんでした’ after ‘じゃ.’ In both the present and past negatives, we can replace the contraction ‘じゃ’ with the uncontracted ‘では’ (pronounced ‘de wa’) to sound more formal—you will also see this form in the written language more often.
Thus, we arrive at the following answers:
賑やかです（にぎやかです）
賑やかじゃないです・賑やかじゃありません（にぎやかじゃないです・にぎやかじゃありません）
賑やかでした（にぎやかでした）
賑やかじゃなかったです・賑やかじゃありませんでした（にぎやかじゃなかったです・にぎやかじゃありませんでした）

The adjective forms that you are learning here are the polite forms. These are used in formal settings, like some businesses, at school, or any time you want to sound polite. There are both more and less polite forms of these words in Japanese that you will learn later in your studies, but these generically polite forms are a safe bet to learn now, as they are acceptable in a wide variety of situations.
Deriving the polite present affirmative and the polite present negative from the dictionary form of な-adjectives is a simple process. The present affirmative is created by omitting the ‘な’ that appears in the adjectival form and adding the copula ‘です’ to the end of the adjective. For the present negative, we add ‘じゃないです’ or the more conservative ‘じゃありません’ to the newly fashioned stem. To create the past affirmative, we simply add ‘でした’ to the base adjective, minus the ‘な,’ as we saw with the present affirmative. The past negative is made from the same base as the present negative, but instead we add ‘なかったです’ or the more conservative ‘ありませんでした’ after ‘じゃ.’ In both the present and past negatives, we can replace the contraction ‘じゃ’ with the uncontracted ‘では’ (pronounced ‘de wa’) to sound more formal—you will also see this form in the written language more often.
Thus, we arrive at the following answers:
好きです（すきです）
好きじゃないです・好きじゃありません（すきじゃないです・すきじゃありません）
好きでした（すきでした）
好きじゃなかったです・好きじゃありませんでした（すきじゃなかったです・すきじゃありませんでした）

Deriving the polite present affirmative and the polite present negative from the dictionary form of な-adjectives is a simple process. The present affirmative is created by omitting the ‘な’ that appears in the adjectival form and adding the copula ‘です’ to the end of the adjective. For the present negative, we add ‘じゃないです’ or the more conservative ‘じゃありません’ to the newly fashioned stem. To create the past affirmative, we simply add ‘でした’ to the base adjective, minus the ‘な,’ as we saw with the present affirmative. The past negative is made from the same base as the present negative, but instead we add ‘なかったです’ or the more conservative ‘ありませんでした’ after ‘じゃ.’ In both the present and past negatives, we can replace the contraction ‘じゃ’ with the uncontracted ‘では’ (pronounced ‘de wa’) to sound more formal—you will also see this form in the written language more often.
Thus, we arrive at the following answers:
好きです（すきです）
好きじゃないです・好きじゃありません（すきじゃないです・すきじゃありません）
好きでした（すきでした）
好きじゃなかったです・好きじゃありませんでした（すきじゃなかったです・すきじゃありませんでした）

The adjective forms that you are learning here are the polite forms. These are used in formal settings, like some businesses, at school, or any time you want to sound polite. There are both more and less polite forms of these words in Japanese that you will learn later in your studies, but these generically polite forms are a safe bet to learn now, as they are acceptable in a wide variety of situations.
Deriving the polite present affirmative and the polite present negative from the dictionary form of な-adjectives is a simple process. The present affirmative is created by omitting the ‘な’ that appears in the adjectival form and adding the copula ‘です’ to the end of the adjective. For the present negative, we add ‘じゃないです’ or the more conservative ‘じゃありません’ to the newly fashioned stem. To create the past affirmative, we simply add ‘でした’ to the base adjective, minus the ‘な,’ as we saw with the present affirmative. The past negative is made from the same base as the present negative, but instead we add ‘なかったです’ or the more conservative ‘ありませんでした’ after ‘じゃ.’ In both the present and past negatives, we can replace the contraction ‘じゃ’ with the uncontracted ‘では’ (pronounced ‘de wa’) to sound more formal—you will also see this form in the written language more often.
Thus, we arrive at the following answers:
きれいです
きれいじゃないです・きれいじゃありません
きれいでした
きれいじゃなかったです・きれいじゃありませんでした。

Deriving the polite present affirmative and the polite present negative from the dictionary form of な-adjectives is a simple process. The present affirmative is created by omitting the ‘な’ that appears in the adjectival form and adding the copula ‘です’ to the end of the adjective. For the present negative, we add ‘じゃないです’ or the more conservative ‘じゃありません’ to the newly fashioned stem. To create the past affirmative, we simply add ‘でした’ to the base adjective, minus the ‘な,’ as we saw with the present affirmative. The past negative is made from the same base as the present negative, but instead we add ‘なかったです’ or the more conservative ‘ありませんでした’ after ‘じゃ.’ In both the present and past negatives, we can replace the contraction ‘じゃ’ with the uncontracted ‘では’ (pronounced ‘de wa’) to sound more formal—you will also see this form in the written language more often.
Thus, we arrive at the following answers:
きれいです
きれいじゃないです・きれいじゃありません
きれいでした
きれいじゃなかったです・きれいじゃありませんでした。