Чтобы разобраться, когда мы можем употреблять may и might, давайте посмотрим на этот пример:
You're looking for Ben. Nobody is sure where he is, but you got some suggestions.
-Where is Ben?
-He may be in his office (= perhaps he is in his office)
-He might be having lunch (= perhaps he is having lunch)
-Ask Kate. She might know (= perhaps she knows)
Таким образом, вы можете использовать may или might, чтобы рассказать о возможных действиях:
It may be true. OR It might be true.
She may know. OR She might know.
Чтобы рассказать о возможных действиях в прошлом, мы используем формы may have и might have:
-I can't find my phone anywhere.
-You might have left it at work. (= perhaps you left it at work)
-I wonder why Kate didn't answer her phone.
-She may have been asleep. (= perhaps she was asleep)
Мы также используем формы may и might, чтобы рассказать о возможных действиях в будущем:
I haven't decided where to go on holiday. I may go to Ireland. (= perhaps I will go there)
Take an umbrella with you. It might rain later. (= perhaps it will rain)