Презентация, доклад the modal perfect

possible but it didn’t happen
Bob drove very carelessly yesterday. He could/might have had an accident, but luckily he didn’t.

have won first prize.
3) It’s possible that she had visited a friend.

1) I’m sure he didn’t receive the message.
2) Perhaps they have won first prize.
3) It’s possible that she had visited a friend.

1) He can’t have received the message.
2) They might have won first prize.
3) She may have visited a friend.

miserable. She may/might/could have lost her job. (Perhaps she has lost her job.)
Could + perfect infinitive is also used for something which was possible but didn’t actually happen.
Don’t drive so fast! You could have killed that boy. (Luckily, you didn’t kill the boy.)

the past.)
Must + perfect infinitive (It’s very probable that something happened in the past.)
She can’t/couldn’t have lost her way; she must have missed the train. (=I don’t think she’s lost her way; I think she has missed the train.)

(have)
Why didn’t you tell me about the accident? (have)
Perhaps he forgot your birthday. (have)
It wasn’t necessary for me to wake up so early, but I did. (have)

не следовало говорить ей, что я тебе рассказал.
Мы бы могли пойти на вечеринку, то в итоге решили не идти.
Тебе следовало пригласить ее на свою вечеринку.
Она могла найти новый дом.
Ему следовало приехать час назад.
У них должно быть была хорошая вечеринка.