Unit 3 Discovering Useful Structures ppt课件-(2019)新人教版必修第一册高中英语(新教材).pptx

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1、Kevin Sept. 2021 - Jim likes playing basketball, _ ? - Yes, he _. - He cant swim, _ ? - No, he _ . doesnt he can he cant 1.前肯后否,前否后肯 2.前陈述,后疑问 3.前陈述,后倒装 4.前完整,后省略 5.疑问主语为相应的代词 6.前后谓语保持一致 7.依据事实回答 does You are coming, arent you? 1.疑问部分用升调,表 示不确定,或建议。 2.如果对陈述部分比较 肯定,不需要对方做 出回答,则用降调 You are coming, are

2、nt you? (Im not sure if you will come.) (Im sure you will come and I dont need your answer.) He has few friends here, ? She said nothing, ? You seldom go climbing, ? 1. 陈述部分含有seldom, hardly, never, few, nothing等否定 词,其疑问部分要用肯定式 does he did she do you 2. 若陈述部分含有带否定前缀的词,疑问部分仍用否定式 It is unfair, ? You di

3、slike singing, ? She disagreed with you, ? isnt it dont you didnt she 1. 陈述部分的主语为something, anything, everything, nothing 等复合不定代词时,疑问句主语用it Everything is ready, isnt it? Nothing is important, is it? 2. 陈述部分的主语为somebody, someone, everyone, everybody, no one, nobody 等复合不定代词时,疑问句主语用they或he Someone lock

4、ed the door, didnt ? Everyone has read the book, havent ? Nobody was late, were ? he/they they they 3. 当陈述部分主语是指示代词this, that/these, those 指物时,疑 问部分主语用 it/they;指人时,疑问句主语用相应的人称代词 That is a new car, ? Those are our new class buildings, ? That isnt your teacher, ? These are your friends, ? isnt it aren

5、t they is he/she arent they 4.当陈述部分以one做主语,表人时,问句的主语在正式场合用one, 非正式场合用he,表物时,问句主语用it One should learn from others, ? One is a book, ? shouldnt one/he isnt it 5. 当陈述部分为I am not时,疑问部分用 am I? 当陈述部分为I am时,疑问部分用 arent I? 或 am I not? Im not wrong, ? Im the first to the office every day, ? am I arent I am I

6、 not 6. 当陈述部分为there be句型时,疑问部分仍用there作“主语” There was nothing in the room, ? There will be many people, ? There is still some time left, ? was there wont there isnt there 基本原则:当陈述部分含有情态动词时,疑问部分通常会重复前面 的情态动词 We should help him, shouldnt we? You can drive there, cant you? 含含情态动词情态动词的反意疑问句的反意疑问句 1. 若陈述部

7、分用must表示“必须”,疑问部分用 mustnt 或 neednt; 若陈述部分有mustnt表示“禁止”时,疑问部分只用must. We must set off early, mustnt / neednt we? People mustnt smoke here, must they. 含含mustmust的的反意疑问句反意疑问句 2. 当陈述部分含有must表示推测时,疑问部分应根据must后的动 词采用相应的动词形式 对现在或将来的推测 对过去的推测 You must be tired, ? It must have rained last night, . She must ha

8、ve written the novel for years, ? 含含mustmust的的反意疑问句反意疑问句 arent you didnt it hasnt she 含含其他情态动词其他情态动词的的反意疑问句反意疑问句 陈述部分疑问部分例 句 maymightnt / cant They may come from Shanghai, mightnt / cant they? Used todidnt / usednt He used to take pictures there, didnt he? / usednt he? Ought to shouldnt / oughtnt He

9、 ought to know what to do, oughtnt he? / shouldnt he? had betterhadntHed better leave here, hadnt he? have / has / had to dont / doesnt / didnt We have to get up early, dont we? 基本原则:若陈述部分为祈使句,疑问部分通常用will/wont you? Close the door, will / wont you? Dont make a noise here, will you? 陈述部分为陈述部分为祈使句祈使句的反

10、意疑问句的反意疑问句 当祈使句为Lets时, 表建议,疑问部分用shall we? 当祈使句为Let us时, 表建议,后用shall we?;表请求,后用will you? Lets go out for a walk, ? Let us go shopping together, ? Let us take a look, ? 祈使句祈使句为为Lets或或Let us shall we shall we will you 1. 当陈述部分为主从复合句时,疑问部分一般应与主句保持一致 He said that she didnt like it, ? He doesnt know where

11、 I live, ? 陈述部分为陈述部分为主从复合句主从复合句的反意疑问句的反意疑问句 didnt he does he 2. 当陈述部分为I think (believe, suppose) that.等时,疑问 部分通常与宾语从句保持一致(注意否定转移) I think that it is too short, ? I dont think he will come, ? 陈述部分为陈述部分为主从复合句主从复合句的反意疑问句的反意疑问句 isnt it will he 2. 当陈述部分是Im sure that,;we are sure;Im afraid that; We are su

12、re that 等,后面跟宾语从句时,反意疑问句与宾语从句 保持一致。 Im afraid he wont finish it today, ? 陈述部分为陈述部分为主从复合句主从复合句的反意疑问句的反意疑问句 will he Exercises 1. You finished your homework, ? 2. One cant always be perfect, ? 3. Everything is ready, ? 4. Everyone should be on time, ? 5. What he said isnt true, ? 6. She dislikes sports

13、, ? 7. There was a mountain, ? didnt you can one/he isnt it shouldnt they is it doesnt she wasnt there Exercises 8. John told you that there wasnt anyone in the room at that time,? 9. John, you mop the floor, ? 10. Mr. Smith, please Let us have a break, ? 11. I dont think they have lost the game, ?

14、12. Tom must have lied to the teacher this morning, ? didnt he will/wont you will you have they didnt he Exercises P.40 1.A: Its not going to rain, is it? B: _. Its a good day for sports. A: Then we can play football, _? B: _. We dont have a ball. 2.A: Its Sports Day next Thursday, _? B: Youre right

15、, it is. Lets ask Xia Lei if she wants to join a team. A: She likes soccer, _? B: _. But she loves volleyball. She could be in the volleyball team. No, it isnt cant we No, we cant isnt it doesnt she No, she doesnt Exercises P.40 3. A: Its time for badminton class. Where is the coach? Hes late, _? B: Its been 10 minutes already. He isnt coming, _? A: Cool! We can have a good time. Thats great! B: Shh ! A:Oh no, hes right behind me,_? C: Yes, I am! isnt he is he isnt he 点此添加你的标题 Click to add your title.

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