1.Anna will help her parents.
2. There are 25 students in a class.
3. The boys are 1 year older than the girls.
4. They are all students.
5. Last month he did not write to his parents.
6. Tomorrow at 5 pm, when he comes, we will be having dinner.
7. By that time she had already done the work.
8. By dinner the bakery will have been closed.
9. Kate is learning new words.
10. When I came home, my brother was learning new words.
11. He helps his parents.
12. Peter has already translated the text into English.
13. I have been teaching English all my life.
14. What language is she speaking?
15. She did not say that he would come to us tomorrow.
16. What has she been doing since morning?
17. Have the flowers been put in a vase?
18. We have decided that we will go to the country on Saturday.
19. The train arrives at 7 am.
20. We did not know that the house would be built so quickly.