ex1: 1-played
2-waited
3-listened
4watched
5-tydied
ex2:
1-It may rain
2-I don't think it will
3-Im not sure it will
4-We might be at home
5-I am sure Mary will win
ex3
1-he's not going to
2-their party is finishing at 10pm
3-I am not getting permision to have a party
4-we'll start our new schoolin July
5-will you go home?
ex4:
1-lied
2-thoought
3-watched
4-I didn't sleep
