Задайте 4 типа вопросов к предложению:
She is an economist.
Очень

1. Is she an economist?

2. Is she an economist or a doctor?

3. Who is an economist?

4. What is she?

5. She is an economist, isn't she?

после комы:

1. do not you?

2. do you?

3. does not she?

4. does not he?

5. do you?

6. does she?

7. do you?

8. do not you?

to be afraid, to be tired, to be upset, to be hungry, to be successful, to be busy, to thirsty, to be scared, to be lucky, to be worred 

to think, to go, to sleep, to stay, to run, to want, to get, to sit, to keep, to see