Children swim in the lake every summer.

1. Children swim in the lake every summer. Do children swim in the lake every summer?

2. It was snowing at seven o’clock yesterday. Was it snowing at seven o’clock yesterday?

3. My mother likes roses and tulips. Does my mother like roses and tulips?

4. I watched the TV-programme yesterday. Did I watch the TV-programme yesterday?

5. The girls are singing a very good song now. Are the girls singing a very good song now?

6. The weather has changed for the better. Has the weather changed for the better?

7. We will celebrate Easter soon. Will we celebrate Easter soon?

8. The train had gone when I came to the station. Had the train gone when I came to the station?

9. Mother will have made dinner by two o’clock tomorrow. Will mother have made dinner by two o’clock tomorrow?

10. Mike will be writing a letter to his mother at five o’clock tomorrow. Will Mike be writing a letter to his mother at five o’clock tomorrow?

11. My sister is doing her homework in her room now. Is my sister doing her homework in her room now?

12. Pupils were reading a new English text at that moment. Were pupils reading a new English text at that moment?

13. I have left my exercise-book at home. Have I left my exercise-book at home?

14. Mary will have cleaned the room when you come. Will Mary have cleaned the room when you come?

15. Thank you very much for your work!