Question

1. this man (to be) a writer. he (to write) books. (to write) books since he was a young man. he (to write) eight books.2. what (to do) here since morning? 3. lena is a very good girl. she (to help) her mother about the house. today (to help) her mother since morning. they (to wash) the floor and (to dust) the furniture. now (to cook) dinner together. 4. (to run) now. he (to run) for ten minutes without any rest. 5. what (to do) now? – they (to work) in the reading room. (to work) there for three hours already. 6. where (to be) now? – he (to be) in the garden. he (to play) volleyball with his friends. (to play) since breakfast time. 7. i (to live) in st. petersburg. to live) in st. petersburg since 1990. 8. this is the factory where my father (to work). (to work) here for fifteen years. 9. (to find) your notebook? – no! i (to look) for it for two hours, but (not yet to find) it. 10. you (to play) with a ball for three hours already. go home and do your homework.

Answer 1

1. is, writes, has been writing, has written. 2. have been doing. 3. helps, has been helping, have washed, have dusted, are cooking. 4. is running, has been running. 5. are doing, are working, have been working. 6. is, is, is playing, have been playing. 7. live, I have been living. 8. is working, has worked, здесь должно быть Have you found, I have been looking for it for two hours, but I haven't found it yet - вот как правильно. 10. are playing. Обрати внимание на то, что во многих предложениях нарушен порядок слов. Не знаю, где это было написано, но много где ошибки. Если это из учебника, то позор таким авторам.