Дополните предложения словами must, can't/couldn't и запишите глаголы в скобках в правильной форме.
1. I phoned them last night but no one answered. They _ (be) out.
2. You _ (see) her at the station - she was at home with me!
4. What happened to sentence 3? They _ (forget) about it!
5. He lost his job and then his father died - it _ (be) an easy time for him.
6. You're going out with Victor? You _ (be) serious! In fact, you _ (be) mad!
7. He _ (be) hungry - he's just had lunch!

1. I phoned them last night but no one answered. They must have been out. 2. You couldn't  have seen her at the station - she was at home with me! 4. What happened to sentence 3? They must have forgotten about it! 5. He lost his job and then his father died - it couldn't have been an easy time for him. 6. You're going out with Victor? You can't be serious! In fact, you must be mad! 7. He can't be hungry - he's just had lunch!