Put the verbs in the brackets into the correct form

V. Put the verbs in the brackets into the correct form. (1.5 points)
1. In the future, robots (help)………..us do housework. 
2. We might not (start)………………..our dinner until Jack arrives.
3. How about (collect)……………..old book and clothes?
4. Mary (not go) ……………..to school yesterday because she was sick.
5. If it (be)………………….sunny, we will go on a picnic