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Указать в круглых скобках в какой видовременной форме стоит сказуемое.

1) They are having dinner.

2) What are you talking about?

3) We were having lunch from 12 to 1.

4) Where were you going when I met you?

5) They have been to Britain many times.

6) Has he received my letter?

7) She had worked hard before she entered the university.


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