May and might are both modal verbs.
May is usually slightly more certain than might, but there is little difference.
We use may to suggest something is possible. May is rather formal and might is more usual in Spoken English.
Both can be used:
In England, unexpected guests may/might be offered some tea.
In future, people may/might not need to travel to business meetings.
Life when my parents were young may/might have been less demanding than it is now.
We use may
1. Ask for permission.
Example: May I borrow your pen?
2. To suggest something is possible.
Example: Andrew may come with us. (Because he is not sure, but he thinks 75 %)
We use might to suggest a small possibility of something.
I might go to Susan’s party. (15%, I don’t think so)
My parents might be at home by now but it’s not sure at all. (they have been to a party till late)
Might is the past tense of may. We only use might when we reffering to the past.
Example: George might have gone to the party.
Discover the difference between will and would.