Fill the correct model. auxiliary verbs.

need to, must not, may, should, may have, should have, must could, had better

1. you cheat in exam (probability)
2. you plant trees (advice)
3. it rain in the afternoon (possibility)
4. you do this to pass the subject (necessary)
5. mia run fast when she was young (ability)
6. you always do your home work (obligation)
7. last year i failed in exam, what should i done? you studied hard (criticism/regret)
8. the tanker is empty you stop drive (strong advice)
9. go to toilet
10. they gone cinima (possiblity)