Formation of questions

Read the following declarative sentences and change them into questions.

We make questions by putting the auxiliary verb before the subject. If there is no auxiliary verb, we use do, does or did to form questions.

1. She has been waiting here since morning.

2. I have had my breakfast.

3. She missed the train.

4. Janet has gone to the market.

5. She works at a hospital.

6. She works hard to support her family.

7. Emily called on yesterday.

8. The boy slept on the floor.

9. Thousands of people perished in the famine.

10. It has been raining since yesterday.

11. I have never been to the US.

12. They went for a walk in the evening.

13. My mother never lets me stay up late.

14. Water boils at 100 degree Celsius.

15. We cannot survive without food and water.

Answers

1. Has she been waiting here since morning?

2. Have you had your breakfast?

3. Did she miss the train?

4. Has Janet gone to the market?

5. Does she work at a hospital?

6. Does she work hard to support her family?

7. Did Emily call on yesterday?

8. Did the boy sleep on the floor?

9. Did thousands of people perish in the famine?

10. Has it been raining since yesterday?

11. Have you ever been to the US?

12. Did they go for a walk in the evening?

13. Does your mother let you stay up late?

14. Does water boil at 100 degree Celsius?

15. Can we survive without food and water?