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1、,Object Clauses 宾语从句,1.宾语从句中的连接词that在以下三种情况下不能省略： （1）当that 从句与另一名词性从句并列作宾语时，第二个that不能省； （2）当that作介词宾语时，that不可省掉。 （3）用it做形式宾语的宾语从句 Everyone knew what happened and that she was worried. The reason lies in that she works harder than the others do. I think it necessary that you should read English aloud
2、.,2.whether与if的辨用,表“是否”时，在下列情况下用whether。 a. 主语从句 b. 表语从句 c. 同位语从句 d. 介词后的宾语从句 e.后接动词不定式 (whether to do sth.) f .whether or not 连在一起引导宾语从句时不用if,3. 当宾语从句是特殊疑问句时，由连接代词（what, who, whom, which, whose）或连接副词（when, where, how, why）引导，因为连接代词或连接副词在从句中担任一定的句子成分，具有一定的意义，所以不可以省略,Do you know what he said just now
3、 ? I dont remember when we arrived . I asked him where I could get so much money . Please tell me who (whom) we have to see . Do you know what time the plane leaves ?,带how的词组也都可以引导宾语从句,Could you tell us how often you go abroad for a holiday ?,Could you tell us how long the meeting will last ?,I dont
4、 know how far it is to the cinema .,Please tell us how many students there are in your school ?,Can you tell us how old his brother is ?,Please tell us how soon you will be ready .,Could you tell us how much it costs to fly to Hainan ?,4、时态 (1)如果主句是现在的时态 （包括一般现在时 ， 现在进行时，现在完成时），从句的时态可根 据实际情况而定，（包括一般
5、现在时，一般过 去时，一般将来时，现在完成时等）,I know he lives here . I know he lived here ten years ago . I have heard that he will come tomorrow .,(2).如果主句是过去的时态（包括一般过去时，过去进行时），那么从句的时态一定要用相对应的过去的某种时态（包括一般过去时，过去进行时，过去将来时， 过去完成时）,I knew he lived here. I saw she was talking with her mother. He asked whether his father wou
6、ld come back tomorrow. He said that he had seen it .,(3).当从句是客观真理，定义，公理，定理 时用一般现在时。,The teacher said that the sun travels around the earth .,5. 否定的转移:若主语谓语动词为think, consider, suppose, believe, expect, guess, imagine等,其后的宾语从句若含有否定意义,一般要把否定词转移到主句谓语上,从句谓语用肯定式。 I dont think this dress fits you well. (我认
7、为这件衣服不适合你穿。),6. it作形式宾语 (1)it放在动词think, find, consider, believe, feel, make等后作为形式宾语:而真正的宾语-that从句则放在句尾。 We heard it that she would get married next month. He feels it his duty that he should serve the people heart and soul.,(2)有些动词（短语），如enjoy,love, like,hate,appreciate,take,hide,see to,insist on,dep
8、end on,rely on等带宾语从句时习惯上在从句前加形式主语it. I hate it when people ask me for money. I like it in the autumn when the weather is clear and bright. I will appreciate it if you can give me a hand.,7.在demand, order, suggest, advise, decide ,request, command ,insist等表示要求、命令、建议、决定等意义的动词后，宾语从句的谓语常用“（should）+V.原形”
9、 The teacher suggested that we （should）clean the blackboard after class. He insisted坚持认为（要求） that we should accept these gifts.,练习： 1. The young man asked _ its summer or winter. A. either B. that C. weather D. whether 2. We dont know _ they did it . A. how B. who C. what D. which 3. The teacher ask
10、s us _ Jim can come back on time . A. that B. if C. when D. what time 4. Does anybody know _ or not we will have a sports meeting this weekend. A. if B. where C. whether D. that,D,A,B,C,5. Could you show me _ ? A. how can I get to the station B. where is the station C. how I could get to the station
11、 D. how I can reach the station 6. Please tell me _. A. what does he like B. what he does like C. what he likes D. what he like 7. My sister told him _ . A. what day was it B. when the train arrived C. who she was waiting D. where did you live,C,B,D,8. Someone is ringing the doorbell . Go and see _
12、. A. who is he B. who he is C. who is it D. who it is 9. Could you tell me how long _ ? A. you have bought the watch B. you have kept this science book C. have you been away from China D. have you been a member of Greener China 10. He says that if it _ tomorrow , he _ fishing . A. will rain , wont go B. rained , wasnt go C. rains , wont go D. rain , will go,B,C,D,
