Ответ:

1.If it rains, we won't have a picnic.

2.If you don't study, you won't pass your exams.

3.If you finish your project, I will give you a present.

4.If my parents give me enough money, I will buy a present for my friend's birthday.

5.If I don't speak English, I won't be able to go to America.

6.If the plane isn't late, we will fly in 10 minutes.

7.If she plays well, perhaps she'll win the competition.

8.If the shop is open, we will go buy a present.

9.If I get in trouble, I will cry.

10.If that noise doesn't stop, I will go talk to the neighbours.

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                  First Conditional

If + Present Simple + will/won't + verb