Раскройте скобки, употребляя глаголы в одном из следующих времен: Present Simple, Present Continuous, Present Perfect, Present Perfect Continuous. 1. This is the factory where my father (to work). He (to work) here for fifteen years. 2. You (to find) your note-book? - No! I still (to look) for it. I already (to look) for it for two hours, but (not yet to find) it. 3. You (to play) with a ball for already three hours. Go home and do your homework. 4. I (finish) the book. But you already (read) 100 pages since 7 o’clock. 5. I (to wait) for a letter from my cousin for a month already, but (not yet to receive) it. 6. My son will have learnt all the words by 7 o’clock in the evening tomorrow. 7. I (try) to explain our plan to you for an hour, and you ( not listen) to me. 8. She (work) hard for the whole day and now (sleep) badly and she (look) tired.