Раскройте скобки, поставив глаголы в нужной форме.
1. Yesterday at 5 o’clock I (to watch) TV with my friends. 2. He (to work) in this supermarket for 10 years. 3. She (to look) for her notebook at the moment. 4. They never (to be) to Russia. 5. Where you (to be) all the day long? – I (to run) in the forest. 6. Look! Chris (to write) with mistakes on the blackboard. 7. At that moment we (to go) to the cinema. 8. Jane (not to see) her best friend since she returned from Rome. 9. He (to jump) since 4 o’clock. 10. They (to study) at the same college since 2010. 11. How many times you (to be) to London? 12. I (to wait) for my sister since morning. 13. You (to see) him this morning? 14. Be quicker! Don’t forget that I (to wait) for you. 15. How long you (to live) in this marvelous town?
1. He may have already done his homework. 2. They can't have seen Jane at the party yesterday. 3. The pupils may be discussing this task at the moment. 4. Our friends may go climbing in the Alps next spring. 5. Hurry up, your parents must be waiting for you at home. 6. The boys must have been playing football since 10 o'clock. They were tired.
Объяснение:
С модальными глаголами глагол, обозначающий действие, должен употребляться в инфинитиве. В зависимости от характера и времени совершения действия инфинитив может быть простой, продолженный, совершённый и совершённо-продолженный.