Complete the sentence with a tag question.
I haven't offended you, ?
If the statement is positive, the verb in the tag question is negative. And vice versa, if the statement is negative, the verb in the tag question is positive.
1) "I am" becomes "aren't I" in the tag question.
I'm always on time, aren't I?
2) A tag question to an imperative statement is "will you" / "shall we".
Please wash the dishes, will you?
Don't touch that vase, will you?
Let's play some table game, shall we?
3) A question tag to "this is" is "isn't it".
This is Dolly's house, isn't it?