7
votes
1answer
342 views

Tagged question and perfect tense

I've just passed one of numerous English grammar online tests. And I agree with all the mistakes I've made except this one: You ______ put it back before the boss comes ...
10
votes
3answers
8k views

“Haven't you?” or “don't you?”

What is the right question tag (in British English) when we use the verb have? I have interviewed a few native speakers and none of them could explain why sometimes they prefer "haven't/hasn't" and ...