Uzupełnij luki w zdaniach używając drugiego trybu warunkowego.

1. We ....... (have) more parks if we ....... (plant) trees.
2. If I ......... (read) the book, I ........ (not, fail) the exam.
3. If they ....... (not, break) a car, they ....... (drive) to Berlin.
4. If people ...... (use) paper bags, there .......... (not, be) so much plastic.
5. Children ........... (play) outside if they .......... (have) some space.