人教 英语 九年级全一册 Unit3 宾语从句 .ppt
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1、The Object Clause,宾语从句,The object clause宾语从句定义:复合句中,放在动词或介词后充当宾语的句子叫宾语从句。e.g. Could you please tell me what we need to buy?,Studying aims,1. understand the meaning of the object clause.2.grasp it and use it correctly.,宾语从句三要素:,一、引导词 二、陈述语序 三、时态呼应,一、引导词,宾语从句根据引导词的不同可分为三种类型:,(看从句),从句是陈述句 (口语中常省略),从句是一
2、般疑问句,从句是特殊疑问句,We know that we should learn from each other.,Please tell me if/whether you have been to America.,that - if/whether(是否)- wh/how(即特殊疑问词)-,Could you please tell me where the restrooms are?,If/whether(是否)的区别,一般情况下,if 和whether可以互换,但以下4种情况只能用whether: 在不定式前:Whether to go there or not hasnt b
3、een decided. 在介词后:It depends on(依靠) whether it is going to rain. 与or not连用:They are talking about whether to go there or not. 做主语从句(用在句首):Whether he is right isnt important.,主语,从句是特殊疑问句, 当主句的主语或宾语与从句主语是一致, 可简化成: 疑问词+to do.,Can you tell me how I can get to the nearest post office?,Can you tell me how
4、 to get to the nearest post office?,填写合适的引导词,1. Can you tell me_ you were born, Betty? A. who B. what C. when D. that 2. I dont know _ they have passed the exam. A. what B. if C. when D. where 3. I hardly understand _ he has told me. A. that B. what C. which D. who 4. He asked me _told me the accide
5、nt. A whom B which C who D whose 5. He asked his friend _ to go there or not. A. if B whether C. what D. that,C,C,B,B,B,二、语序,陈述句语序即:连词主语谓语动词,陈述句变为宾语从句,语序不变,即仍用陈述语序。如:,He is an honest boy. We know.,We know(that)he is an honest boy.,练一练,1.This is a book.2.You like singing.3.He worked last night.4.They
6、 will go home.5.Jim has been to Beijing.6.She sings well.,用以下开头与下列句子连成宾语从句:1. I know 2. She says 3. Tell your friend ,(that),二、语序,Does he work hard?I wonder.,I wonder if he works hard.或I wonder whether he works hard.,When did he leave?I dont know. ,I dont know when he left.,陈述句语序即:连词主语谓语动词,陈述句变为宾语从句
7、,语序不变,即仍用陈述语序。如:,He is an honest boy. We know.,We know(that)he is an honest boy.,一般疑问句和特殊疑问句变为宾语从句,语序变为陈述语序。如:,Whats the matter?(怎么了?)等,在作宾语从句时,语序不变.,如: Could you tell me whats the matter? 可以告诉我怎么了吗?,下列宾语丛句的语序是否正确。I think that he will come to China next year.I want to know if he was at home yesterda
8、y.Can you tell me where does your mother work?Do you know who can answer the question?Please tell us where is the hospital?,your mother works,the hospital is,练一练,1.Is he reading ?2.Do you get up at six?3.Does Tom work hard?4.Did you watch TV ?5.Will they read books ?6.Can you sing ?,用以下开头与下列句子连成宾语从句
9、:1.Do you know 2.I want to know 3.The teacher asks ,if/whether,三、时态,如果主句是现在的时态,从句的时态可根据实际情况而定。,如:I have heard(that)he _(come) back next week.,如果主句是过去的某种时态,那么从句的时态一定要用过去的某种时态。,(看主句),注意:如果宾语从句表述的是客观真理、自然现象等时,不管主句是什么时态,从句都要用一般现在时。,如:He said that light travels much faster than sound.,We wonder when he _
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