помогите пожалуйста!!!!!!!!!!!!!
1.Раскройте скобки, поставив глагол в нужную форму.
1) If you __________ (to read) more books, you will be cleverer.

2) She will look pretty if she __________ (to put on) this black dress.

3) They __________ (to understand) everything if you explain.

4) If she __________ (not to pass) her exams, her mother will be very upset.

5) Even if he tells her the truth, she __________ (not to believe) him.

6) You will be able to buy a new laptop if you __________ (to keep) saving.

7) If we __________ (not to answer) this question, we’ll fail our test.

8) You __________ (not to play) if you don’t clean your room.

2.Вставьте if или when.
1) _____ I am late this evening, don’t wait for me.

2) We are going to Paris next week. We haven’t got anywhere to stay. We hope to find a hotel _____ we arrive.

3) Do you mind __________ I close the window?

4) I am going to do some shopping now. _____ I come back, we can have lunch.

5) Shall we have a picnic tomorrow _____ the weather is fine?

6) I’m going to visit Clair. _____ I go, will you come with me?

7) Helen is still at school. _____ she leaves it, she wants to go to university.

8) _____ you don’t want to go out tonight, we can stay at home.