人教版(2019)高中英语必修一 Unti3 Discovering useful structures 语法课件
展开Tag Question(附加疑问句)目录概念与功能Contents形式注意事项回答方式特殊附加疑问句概念与功能Tag Question(附加疑问句)是什么?又称反意疑问句;1. 说话人向对方验证自己的陈述;2. 用于祈使句表请求,建议。形 式陈述部分,附加疑问部分 ?肯定句情态动词/助动词/be + not + 表示主语的代词Jack is happy , __________ ?肯定句+否定附加疑问部分?①Jack can do it, __________ ?Jack finished his homework, ________ ?否定句+肯定附加疑问部分?②Jack isn’t happy, __________ ?Jack can’t do it, ______ ?Jack didn’t finish his homework, ________ ?祈使句+附加疑问部分?③(1)肯定祈使句,will you ? Open the window, __________ ? (2)否定祈使句,will you ? Don’t close the door, _____ ?(3)Let’s do…, shall we ? Let’s listen to music,_________?(4)Let us do…, will you ? Let us go out to play, ____ ?感叹句+ isn’t +表示主语的代词?④What a smart boy, isn’t he ?What a good day, ___ ?注意事项1.陈述部分有 no, nobody, nothing, neither, little, few never, seldom, hardly, rarely, 附加部分用肯定式。 Jack is never late, ________ ? Jack has few friends here, _____________? Neither of you will go to his party,________? Nobody understands his words, ____________? 2. 陈述部分否定前缀的词,不影响附加部分的形式。 It is impossible, _________ ? He is unable to get the medal this time, ________? You dislike the game, ____________ ?3. 陈述部分的主语是everything,anything,nothing, something, this/that, 动词不定式,动名词,主语从句时, 附加部分的主语用it。 Everything is ready, _________ ? This is a new car, _________? Learning English is difficult, ________ ? 4. 陈述部分的主语是everybody, anybody, nobody, somebody, no one, 附加部分的主语用he。 Nobody was late , __________ ?5. 陈述部分为there be结构时,附加部分也由there和be构成。 There is no water, ________?6. 陈述部分为主从复合句时,附加部分有两种情况。① 陈述部分为“主(第一人称)+ think/believe/suppose+ 宾语从句”, 附加部分的主谓和从句主谓一致,而用肯定还是否定要看主句。 I believe that he can do it, _________ ? I don’t believe that she can do it, ___________?②陈述部分为“主(第二,三人称)+ think/believe/suppose+ 宾语从句”, 附加部分的主谓和主句主谓一致; You think that you are funny,_________?7. 陈述部分有must时 ①must表“必须,有必要”,疑问部分用needn’t. You must leave now,___________? (你必须马上离开,不是吗?)②mustn’t表“禁止”, 疑问部分用must. You mustn’t laugh,____________? ( 你不准笑,知道吗?)③must表推测时must be/do对现在的推测must have done对过去的推测(陈述部分有具体的表过去的时间状语)must have done对过去的推测(陈述部分没有表过去的时间状语)陈述部分isn’t /aren’t +主语?didn’t+主语?haven’t +主语?附加部分He must be a teacher, ________ ?He must have finished his homework yesterday, ________ ?He must have finished his homework, ________ ?You must be a teacher, ________ ?回答方式He isn’t a student, is he ? Yes, he is. (不,他是一个学生。)No, he isn’t. (是,他不是一个学生。)“前否后肯”的句子中,答语中的yes“不”;no“是”“前肯后否”的句子中,答语中的yes“是”;no“不”He is a student, isn’t he ? Yes, he is. (是,他是一个学生。)No, he isn’t. (不,他不是一个学生。)特殊附加疑问句1. 陈述部分为 “I am….”时,附加部分为 aren’t I . I am late, aren’t I ? 2.陈述部分为 “I wish….”时,附加部分为 may I . I wish to go with you, may I ? (我想和你一起去,可以吗?)3. 陈述部分的谓语部分为固定短语had better do…(最好做), 附加部分为hadn’t +表示主语的代词。 He had better leave here,______________? (他最好离开这,是吗?)4. 陈述部分为 There used to …“曾经有”时, 附加部分为 wasn’t(weren’t) there. There used to be a small house, wasn’t there ? There used to be three trees, weren’t there ?5. 陈述部分谓语为used to do“过去常做…”时, 附加部分为didn’t + 表示主语的代词。 He used to come here, didn’t he ?6.陈述部分为 “主语+ ought to do(应该)….”时, 附加部分为 oughtn’t +表主语的代词 . He ought to know the truth, oughtn’t him? (他应该知道这个事实,不是吗?)Thanks !