1. He helps his father very often - Present Simple
2. We are drinking tea now - Present Continuous
3. I went to bed at ten o'clock yesterday - Past Simple
4. She will spend next summer in the country - Future Simple
5. I was doing homework the whole evening yesterday - Past Continuous
6. The pupils have already written a dictation - Present Perfect
7. Tom had returned from the cinema by five o'clock - Past Perfect
8. She has been watching TV since morning - Present Perfect Continuous
9. I shall have read the book by the end of the week - Future Perfect
10. He will be writing the composition the whole evening tomorrow - Future Continuous
11. I thought Henry would help us - Future-in -the- Past Simple
12. A baby had been sleeping for two hours when I came - Past Perfect Continuous
13. They will have been having supper for ten minutes when father comes from work - Future Perfect Continuous
14. He said that he would be sleeping at two o'clock the next day - Future-in -the- Past Continuous
15. Mother said that she would have baked a pie by 7 o'clock the next day - Future-in -the- Past Perfect
16. He said that he would have been painting the walls for two hours when I come - Future-in -the- Past Perfect Continuous
17. She has been playing volleyball for five years - Present Perfect Continuous
18. I am still cleaning the flat - Present Continuous