Воткните to перед инфинитивом там, где это нужно. 1. He мейд

1. He мейд us wait for hours.
2. We must send him a telegram.
3. Lets try to understand each other.
4. Would you like to come to a party?
5. Could you tell me the time, please?
6. I havent got anything to read.
7. Youd better go to the doctor. 

Частичка to" не употребляется:
- после модальных глаголов , не считая dare, ought to, have to,  be to.
- после глаголов let, make.
- после выражений had better, would rather.
- после глаголов восприятия to see, to hear, to feel, to watch.