We must conjugate each verb into the affirmative and negative past tense short forms and the long non-past (present) form.

The first step in conjugating a word from the dictionary form to the affirmative past tense short form is figuring out what its て-form conjugation would be. Once we’ve found that, we remove the ‘て’ or ‘で’ at the end and replace it with ‘た’ or ‘だ’ respectively.

The first step in conjugating a word from the dictionary form to the negative past tense short form is figuring out what its negative non-past short form is. Once we’ve found that, we remove the final ‘い’ and replace it with ‘かった.’

To conjugate 読む（よむ）into the past affirmative and negative short forms, we follow the steps above. We don’t need to worry about how to conjugate the long form, as we have already mastered its usage. We answer as follows:
読んだ（よんだ）　・　読まなかった（よまなかった）　・　 読みます（よみます）

We must conjugate each verb into the affirmative and negative past tense short forms and the long non-past (present) form.

The first step in conjugating a word from the dictionary form to the affirmative past tense short form is figuring out what its て-form conjugation would be. Once we’ve found that, we remove the ‘て’ or ‘で’ at the end and replace it with ‘た’ or ‘だ’ respectively.

The first step in conjugating a word from the dictionary form to the negative past tense short form is figuring out what its negative non-past short form is. Once we’ve found that, we remove the final ‘い’ and replace it with ‘かった.’

To conjugate 遊ぶ（あそぶ）into the past affirmative and negative short forms, we follow the steps above. We don’t need to worry about how to conjugate the long form, as we have already mastered its usage. We answer as follows:
遊んだ（あそんだ）　・　遊ばなかった（あそばなかった） ・遊びます（あおそびます）

We must conjugate each verb into the affirmative and negative past tense short forms and the long non-past (present) form.

The first step in conjugating a word from the dictionary form to the affirmative past tense short form is figuring out what its て-form conjugation would be. Once we’ve found that, we remove the ‘て’ or ‘で’ at the end and replace it with ‘た’ or ‘だ’ respectively.

The first step in conjugating a word from the dictionary form to the negative past tense short form is figuring out what its negative non-past short form is. Once we’ve found that, we remove the final ‘い’ and replace it with ‘かった.’

To conjugate 覚える（おぼえる）into the past affirmative and negative short forms, we follow the steps above. We don’t need to worry about how to conjugate the long form, as we have already mastered its usage. We answer as follows:
覚えた（おぼえた）　・　覚えなかった（おぼえなかった）　・　覚えます（おぼえます）

We must conjugate each verb into the affirmative and negative past tense short forms and the long non-past (present) form.

The first step in conjugating a word from the dictionary form to the affirmative past tense short form is figuring out what its て-form conjugation would be. Once we’ve found that, we remove the ‘て’ or ‘で’ at the end and replace it with ‘た’ or ‘だ’ respectively.

The first step in conjugating a word from the dictionary form to the negative past tense short form is figuring out what its negative non-past short form is. Once we’ve found that, we remove the final ‘い’ and replace it with ‘かった.’

To conjugate 行くinto the past affirmative and negative short forms, we follow the steps above. Remember that the positive affirmative short form of 行くdoes not conjugate as we would expect a く-verb, but rather it conjugates like an う-verb in the う-subclass. We don’t need to worry about how to conjugate the long form, as we have already mastered its usage. We answer as follows:
行った　・　行かなかった　・　行きます

We must conjugate each verb into the affirmative and negative past tense short forms and the long non-past (present) form.

The first step in conjugating a word from the dictionary form to the affirmative past tense short form is figuring out what its て-form conjugation would be. Once we’ve found that, we remove the ‘て’ or ‘で’ at the end and replace it with ‘た’ or ‘だ’ respectively.

The first step in conjugating a word from the dictionary form to the negative past tense short form is figuring out what its negative non-past short form is. Once we’ve found that, we remove the final ‘い’ and replace it with ‘かった.’

To conjugate もらう into the past affirmative and negative short forms, we follow the steps above. We don’t need to worry about how to conjugate the long form, as we have already mastered its usage. We answer as follows:
もらった　・　もらわなかった　・　もらいます

We must conjugate each verb into the affirmative and negative past tense short forms and the long non-past (present) form.

The first step in conjugating a word from the dictionary form to the affirmative past tense short form is figuring out what its て-form conjugation would be. Once we’ve found that, we remove the ‘て’ or ‘で’ at the end and replace it with ‘た’ or ‘だ’ respectively.

The first step in conjugating a word from the dictionary form to the negative past tense short form is figuring out what its negative non-past short form is. Once we’ve found that, we remove the final ‘い’ and replace it with ‘かった.’

To conjugate 踊る（おどる）into the past affirmative and negative short forms, we follow the steps above. We don’t need to worry about how to conjugate the long form, as we have already mastered its usage. We answer as follows:
踊った（おどった）　・　踊らなかった（おどらなかった）　・　踊ります（おどります）

We must conjugate each verb into the affirmative and negative past tense short forms and the long non-past (present) form.

The first step in conjugating a word from the dictionary form to the affirmative past tense short form is figuring out what its て-form conjugation would be. Once we’ve found that, we remove the ‘て’ or ‘で’ at the end and replace it with ‘た’ or ‘だ’ respectively.

The first step in conjugating a word from the dictionary form to the negative past tense short form is figuring out what its negative non-past short form is. Once we’ve found that, we remove the final ‘い’ and replace it with ‘かった.’

To conjugate 泳ぐ（およぐ）into the past affirmative and negative short forms, we follow the steps above. We don’t need to worry about how to conjugate the long form, as we have already mastered its usage. We answer as follows:
泳いで（およいで）　・　泳がなかった（およがなかった）　・　泳ぎます（およぎます）

We must conjugate each verb into the affirmative and negative past tense short forms and the long non-past (present) form.

The first step in conjugating a word from the dictionary form to the affirmative past tense short form is figuring out what its て-form conjugation would be. Once we’ve found that, we remove the ‘て’ or ‘で’ at the end and replace it with ‘た’ or ‘だ’ respectively.

The first step in conjugating a word from the dictionary form to the negative past tense short form is figuring out what its negative non-past short form is. Once we’ve found that, we remove the final ‘い’ and replace it with ‘かった.’

To conjugate 弾く（ひく）into the past affirmative and negative short forms, we follow the steps above. We don’t need to worry about how to conjugate the long form, as we have already mastered its usage. We answer as follows:
弾いた（ひいた）　・　弾かなかった（ひかなかった）　・　弾きます（ひきます）

We must conjugate each verb into the affirmative and negative past tense short forms and the long non-past (present) form.

The first step in conjugating a word from the dictionary form to the affirmative past tense short form is figuring out what its て-form conjugation would be. Once we’ve found that, we remove the ‘て’ or ‘で’ at the end and replace it with ‘た’ or ‘だ’ respectively.

The first step in conjugating a word from the dictionary form to the negative past tense short form is figuring out what its negative non-past short form is. Once we’ve found that, we remove the final ‘い’ and replace it with ‘かった.’

To conjugate 休む（やすむ）into the past affirmative and negative short forms, we follow the steps above. We don’t need to worry about how to conjugate the long form, as we have already mastered its usage. We answer as follows:
休んだ（やすんだ）　・　休まなかった（やすまなかった）　・　休みます（やすみます）

We must conjugate each verb into the affirmative and negative past tense short forms and the long non-past (present) form.

The first step in conjugating a word from the dictionary form to the affirmative past tense short form is figuring out what its て-form conjugation would be. Once we’ve found that, we remove the ‘て’ or ‘で’ at the end and replace it with ‘た’ or ‘だ’ respectively.

The first step in conjugating a word from the dictionary form to the negative past tense short form is figuring out what its negative non-past short form is. Once we’ve found that, we remove the final ‘い’ and replace it with ‘かった.’

To conjugateするinto the past affirmative and negative short forms, we follow the steps above. Remember that するnearly always conjugates irregularly; however, its past tense short forms are very similar to its て-form conjugations. We don’t need to worry about how to conjugate the long form, as we have already mastered its usage. We answer as follows:
した　・　しなかった　・　します

We must conjugate each verb into the affirmative and negative past tense short forms and the long non-past (present) form.

The first step in conjugating a word from the dictionary form to the affirmative past tense short form is figuring out what its て-form conjugation would be. Once we’ve found that, we remove the ‘て’ or ‘で’ at the end and replace it with ‘た’ or ‘だ’ respectively.

The first step in conjugating a word from the dictionary form to the negative past tense short form is figuring out what its negative non-past short form is. Once we’ve found that, we remove the final ‘い’ and replace it with ‘かった.’

To conjugateくるinto the past affirmative and negative short forms, we follow the steps above. Remember that くるnearly always conjugates irregularly; however, its affirmative past tense short forms are very similar to its て-form conjugations. The negative past tense short form, however, also sees the verb undergoing a different kind of internal character shift, the same as the kind observed in the negative present tense short form of the verb—you will need to memorize this irregularity, as its appearance is not grammatically predictable. We don’t need to worry about how to conjugate the long form, as we have already mastered its usage. We answer as follows:
来た　・　来なかった（こなかった）　・　来ます

We must conjugate each word into the affirmative and negative past tense short forms.

The first step in conjugating an い-adjective from the dictionary form to the affirmative past tense short form is to remove the final ‘い.’ Then, we simply append ‘かった’ on to the end of the adjective.

The first step in conjugating an い-adjective from the dictionary form to the negative past tense short form is figuring out what its negative non-past short form is. Once we’ve found that, we remove the final ‘い’ and replace it with ‘かった.’

To conjugate 若い（わかい）into the past affirmative and negative short forms, we follow the steps above. We answer as follows:
若かった（わかかった）　・　若くなかった（わかくなかった）

We must conjugate each word into the affirmative and negative past tense short forms.

The first step in conjugating an い-adjective from the dictionary form to the affirmative past tense short form is to remove the final ‘い.’ Then, we simply append ‘かった’ on to the end of the adjective.

The first step in conjugating an い-adjective from the dictionary form to the negative past tense short form is figuring out what its negative non-past short form is. Once we’ve found that, we remove the final ‘い’ and replace it with ‘かった.’

To conjugate かっこいい into the past affirmative and negative short forms, we follow the steps above, remembering that ‘かっこいい’ conjugates irregularly like the base adjective ‘いい.’ Once we have made this change, we answer as follows:
かっこよかった　・　かっこよくなかった

We must conjugate each word into the affirmative and negative past tense short forms.

The first step in conjugating a な-adjective from the dictionary form to the affirmative past tense short form is to remove the final ‘な.’ Then, we simply append ‘だった’ on to the end of the adjective.

To conjugate a な-adjective from the dictionary form to the negative past tense short form, we simply remove the final ‘です’ of the negative past tense long form. Like the negative past tense short form, we can use either ‘じゃない’ or ‘ではない’ depending on the formality of the situation.

Remember that the adjective ‘きれい（な）’ is a な-adjective ending in ‘い.’

To conjugate きれい（な）into the past affirmative and negative short forms, we follow the steps above. We answer as follows:
きれいだった　・　きれいじゃなかった

We must conjugate each word into the affirmative and negative past tense short forms.

The first step in conjugating a な-adjective from the dictionary form to the affirmative past tense short form is to remove the final ‘な.’ Then, we simply append ‘だった’ on to the end of the adjective.

To conjugate a noun from the dictionary form to the negative past tense short form, we simply remove the final ‘です’ of the negative past tense long form. Like the negative past tense short form, we can use either ‘じゃない’ or ‘ではない’ depending on the formality of the situation.

To conjugate 日曜日into the past affirmative and negative short forms, we follow the steps above. We answer as follows:
日曜日だった　・　日曜日じゃない