I left out the following statements. Could you please check them?

Thank you.

Rephrase the following sentences using a modal verb.

1.Maybe Alan missed the train. Alan may have missed…..
2.I’m sure he didn’t break the vase. He can’t have broken
3.I’m certain she has arrived by now. She must have arrived….
4.Jeff phoned my mother to apologize, but it wasn’t necessary. Jeff needn’t have phoned
5.It wasn’t necessary for her to pay £ 50 for the room. She didn’t need to ...
6.It is possible that I will go to the club dinner tonight. I may go
7.I’m very unsure if I will visit the Edinburgh Festival. I might not visit
8.It is unlikely that he will come to my party. He shouldn’t come to the party.
9. It is likely for him to pass the exam.
He should pass the exam.

Please re-think 8 and 9. The rest are fine.