In this exercise, we are asked to fill in the following sentence with the right form of the present subjunctive of the verb found in parentheses: **(proteger) Las especies en peligro de extinción no van a sobrevivir a menos que nosotros las …** .

In this case, the right form of the present subjunctive of **proteger** is **protejamos** because we want to express that unless we protect endangered species, they are not going to survive.

Las especies en peligro de extinción no van a sobrevivir a menos que nosotros las protejamos.

In this exercise, we are asked to fill in the following sentence with the right form of the present subjunctive of the verb found in parentheses: **(hacer) La condición del planeta no puede mejorar sin que todas las personas … un esfuerzo** .

In this case, the right form of the present subjunctive of **hacer** is **hagan** because we want to express that without everyone making an effort, the condition of the planet can’t improve.

La condición del planeta no puede mejorar sin que todas las personas hagan un esfuerzo.

In this exercise, we are asked to fill in the following sentence with the right form of the present subjunctive of the verb found in parentheses: **(tener) El gobierno va a crear varias reservas naturales para que los animales … un lugar protegido donde vivir** .

In this case, the right form of the present subjunctive of **tener** is **tengan** because we want to clarify the purpose of the natural reserves that the government is going to create.

El gobierno va a crear varias reservas naturales para que los animales tengan un lugar protegido donde vivir.

In this exercise, we are asked to fill in the following sentence with the right form of the present subjunctive of the verb found in parentheses: **(poder) Es importante entender los peligros del efecto invernadero, aunque tú no … ver todos sus efectos personalmente** .

In this case, the right form of the present subjunctive of **poder** is **puedas** because we want to express that even if you can’t see all the effects of the greenhouse effect personally, it is important that you understand the dangers of it.

Es importante entender los peligros del efecto invernadero, aunque tú no puedas ver todos sus efectos personalmente.