1) 1. Should children help their parents?
2. Whose parents should children help?
3. Should children help their parents or friends?
4. Children should help their parents, shouldn't they?
5. Who should help parents?

2) 1. Did my brother want to be a vet?
2. Whom did my brother want to be?
3. Did my brother want to be a vet or a dentist?
4. My brother wanted to be a vet, didn't he?
5. Who wanted to be a vet?

3) 1. Must you go to school in time?
2. Why must you go in time?
3. Must you go to school or to bed in time?
4. You must go to school in time, mustn't you?
5. Who must go to school in time?

4) 1. Would I like to visit France?
2. What would I like to visit?
3. Would I like to go to France or to the USA?
4. I would like to visit France, wouldn't I?
5. Who would like to visit France?

5) 1. Do they work in a hospital?
2. Where do they work?
3. Do they work in a hospital or in a school?
4. They work in a hospital, don't they?
5. Who works in a hospital?

6) 1. Are there a lot of professions to choose?
2. Why are there a lot of professions to choose?
3. Are there a lot of professions or jobs to choose?
4. There are lot of professions to choose, aren't there?
5. What are there a lot of?