Question Tags and Pronouns

​We use negative question tags with affirmative sentences and vice versa.

​- You don't like spicy food, do you?
- She can travel tomorrow, can't she?

​When the main sentence has an auxiliary or modal verb, we use the same auxiliary or modal verb in the question tag, respectively.

​- You haven't seen that documentary, have you?


- They can't all travel at once, can they?

​When the main sentence contains a verb in the present simple or past simple, we use do/does, don't/doesn't, did/didn't.

​- You often study in the library, don't you?
- He moved to California last year, didn't she?