1.祈使句后一般加上will you或won't you構(gòu)成反意疑問句，用will you 多表示“請求”，用won't you 多表示提醒對方注意。 eg. Look at the blackboard, will you/won't you? 2. Let引導的祈使句有兩種情況： 1）Let's…，后的反意疑問句用shall we或shan't we。 eg. Let's go home, shall we/shan't we? 還可以用may I來表示征求對方的同意或許可。 2）Let us/me…后的反意疑問句用will you或won't you。 eg. Let me have a try, will you/won't you? 2. 感嘆句后加反意疑問句時，其反意疑問句需用be的一般現(xiàn)在時態(tài)的否定形式。 What a lovely puppy, isn't it? 3.當陳述部分謂語動詞是need, dare, used to，且這些詞被用作實義動詞時，其反意疑問句需用do的適當形式。 eg. He needs help, doesn't he? 4.陳述部分主、謂語是I am…時，反意疑問句用aren't I 或ain't I ,而不是am not I （可用am I not）。 I'm working at that time, ain't I? 5.陳述部分的主語是不定代詞one時，反意疑問句的主語可以用one，也可用you（美式英語用he）。 eg. One should be ready to face difficults of life, shouldn't one? 6.當陳述部分含有以下這些含有否定意義的詞時：few, little, seldom，hardly, never, not, no, no one, nobody, nothing, none, neither等，其反意疑問句需用肯定結(jié)構(gòu)。 eg. It's hardly to say, isn't it? 7.當陳述部分含I think (believe, suppose…) that… 結(jié)構(gòu)時，其反意疑問句須與從句的主、謂語保持一致，注意主句的主語必須是第一人稱。例如： eg. I don't think he will come, will he? 8.have(has)不是表示“有”的意思，并在句中做謂語時，其反意疑問句的助動詞要用do, does, did。 eg. They had a meeting just now，didn't they? 9.陳述部分有have to 時，其反意疑問句要用助動詞的否定形式。 eg. You have to go to school every day, don't you? 10.陳述部分是there be句型時，其反意疑問句中要用there。 eg. There was a hospital on this street, wasn't there? 11.當陳述部分含有情態(tài)動詞must時，有兩種情況，① 如果must 作“一定；要；必須”講，反意疑問句須用mustn't或needn't；② 而當must作推測意義“一定是；必定”講時，反意疑問句則需根據(jù)must后的動詞原形選用相應的形式。 eg. She must work hard at literature, mustn't she? The kid must go to bed before 10pm，isn't he?