Question

Поставьте предложения в отрицательную и вопросительную форму.
1. We have done business with this firm. 2. She has been to the theatre this week. 3. They have come back today. 4. She has phoned you this morning.5. They have had a good time. 6. The film has been on since last week. 7. I have known him for ten years. 8. They have lived in Moscow for a long time. 9. We have received two letters from him since he went to London.

Answer 1

We have not  (havent)  done business with this film  2) She has not been....3) they have not come back today 4) She has not(hasnt) phoned....Cтавишь  после have  и has not  и далее переписываешь дальше без изменения.  Можешь поставить в некоторых предложениях в самом конце yet (ещё не)