You closed the door, did you? This is very different in tone. It suggests a skeptical, …
By this reasoning, “did you use to” is the only correct form. This is the conservative …
What did you do-> it means your friends or family doesn't know what you did or they …
did you"did you" is asking about something in the past which is not happening right now. …
did you rememberDid you remember is asking if someone remembered to do something in …
更多内容请点击：Should I use "did you" or "didn't you" in the following?