do a favour造句 1, Couldn't you do a favour and leave me alone? 2, Could you do a favour for me? 3, I want you to do a favour for me. 4, Who is Mary go to do a favour for? 5, I hope i can do a favour. 6, It's quite common, if someone agrees to do a favour, to use the future tense to promise a reward. So for example, you might say. 7, But he browbeats however: I will answer birthplace tomorrow, see you still can do a favour for who!