Помогите поставить в правильное время)

1. Will you let me (play) in the garden mother?
2. I don't want you (lose) your time.
3. When did you hear our teacher ( say) that we were going trip?
4. Yesterday I watched a bird ( build) its nest.

1. Will you let me play in the garden mother?2. I don't want you to lose your time.3. When did you hear our teacher say that we were going trip?4. Yesterday I watched a bird  building its nest.