Помогите пожалуйста! Нужно раскрыть скобки, поставив нужную форму инфинитива после...

Question

Помогите пожалуйста! Нужно раскрыть скобки, поставив нужную форму инфинитива после модального глагола
1) I can't (to leave) without playing. It's against my principles.
2)You must (to do) as you are told.
3)You can't (to see ) Peter in the library yesterday.
4)I can find my spectacles. I must ( to leave) them at home.
5)She never spoke of her childhood, and there must (to be) some reason for it.
6)The may (to be) at the party but i didn't see them.
7)Someone is knocking at the door. It may (to be) Kate.
8)You haven't eaten anything today, you must (to starve).
9)Excuse me, could you (to tell) me the way to the nearest bank?
10)You might (to give) them a call to say you were not coming.

Answer 1

1) I can't  leave without playing. It's against my principles.
2)You must  do as you are told.
3)You can't have seen Peter in the library yesterday.
4)I can find my spectacles. I must have left them at home.
5)She never spoke of her childhood, and there must have been some reason for it.
6)The may have been at the party but i didn't see them.
7)Someone is knocking at the door. It may  be Kate.
8)You haven't eaten anything today, you must be starving.
9)Excuse me, could you  tell me the way to the nearest bank?
10)You might have given them a call to say you were not coming.