The question tag for I am is aren’t I?
- I am late, aren’t I? (NOT …amn’t I?)
Imperatives can be followed by will you / would you / can you / can’t you / could you?
- Keep quiet, can’t you?
- Give me a hand, would you?
- Open a window, will you?
After a negative imperative, we use will you?
- Don’t forget, will you?
The question tag for let’s is shall we?
- Let’s go for a walk, shall we?
Sentences containing negative words like never, no, nobody, hardly, scarcely and little are followed by non-negative question tags.
- You never let me finish a sentence, do you? (NOT …don’t you?)
- She hardly steps out of her home, does she?
- There is little we can do about it, is there?
It is used in question tags to refer back to nothing and everything.
- Everything is alright, isn’t it? (NOT …isn’t everything?)
We use they in question tags to refer to nobody, somebody, everybody, no one etc.
- Nobody came, did they?
When have is used as a principal verb, question tags with both have and do are possible in British English. Do is more common in American English.
- She has a boyfriend, hasn’t / doesn’t she?