Some special cases: I am right, aren't I? aren't I (not amn't I) I’m not right, am i? You have to go, don’t you? You (do) have to go I have been answering, haven’t I? use first auxiliary Nothing came in the post, did it? Treat statements with nothing, nobody etc like negative statements Nothing, everything, nothing, something will happen, won’t it? Use it Anybody, anyone, everybody, everyone, nobody, no one, somebody, someone will come, won’t they? Use they Let's go, shall we? Let me use your phone, will you? Let me help you, may i? let's = let us Let me/him…, will (xin phep) Let help- may (de nghi giup) He’d better do it, hadn’t he? He had better (no auxiliary) He has never been in LD, has he? Never, rarely, no, hardly: affirmative in tags Don’t do that, will you? Take your seat, won’t you? “Will” used in imperative “Won’t” used in invitation I wish to study Eng, may I? Wish-may One can be one’s master, can’t you/one One-you/one they must study hard, needn’t they? you mustn’t come late, must you? He must be a very intelligent student, isn’t he He must have been out, hasn’t he? Must_needn’t (su can thiet) Must- mustn’t (su cam doan) Must be- isn’t (su phong doan o hien tai) Must have done- haven’t /hasn’t ( su phong doan trong qua khu) What a beautiful dress, isn’t it? What a stupid boy, isn’t he? How intelligent you are, aren’t you? Am, is, are I think he will come here, won’t he? I don’t believe Mary can do it, can she? I think, believe, suppose, figure, assume, fancy, imagine, expect, seem, feel, reckon + S V O, chia theo S V O ( chu y not) She think he will come, doesn’t she? She, he, it, we, they… as usual It seem that you are right, aren’t you? . Some special cases: I am right, aren't I? aren't I (not amn't I) I’m not right, am i? You have. better (no auxiliary) He has never been in LD, has he? Never, rarely, no, hardly: affirmative in tags Don’t do that, will you? Take your seat, won’t you? “Will” used in imperative “Won’t” used