Помогите сделать пожалуйста? Define the meaning of may, might. Translate the

Помогите сделать пожалуйста?
Define the meaning of may, might. Translate the sentences into Russian.

1. She murmured that he might stay if he wished.
2. "May I escort you home?" he said.
3. He may have forgotten about your appointment or he may have come.
4. May you never outlive your feelings!
5. I tried to calm him so that we might come to something rational.
6. "Were you afraid that I might have found the truth by coming here?" demanded Vivien.
7. He said that you might have hurt me, that door's very heavy.
8. It might well have been longer had Matthew not picked up a flu at school.
9. For all you know he may be a happily married man.
10. If he knew the facts he might tell us what to do.
11. You might at least get better marks in English.