宾语从句三要点宾语从句三要点要点一：宾语从句的引导词要点一：宾语从句的引导词.当宾语从句是由陈述句变化而来时，该当宾语从句是由陈述句变化而来时，该从句通常由从句通常由that引导。此时引导。此时that没有具体没有具体意义，口语中可以省略。意义，口语中可以省略。例如：例如： Im sure. You have seen that book before.（合并句子）（合并句子） Im sure (that) you have seen that book before.2.当宾语从句是由一般疑问句变化而来时，用连当宾语从句是由一般疑问句变化而来时，用连词词if或或whether引导，意思为引导，意思为“是否是否”，表示选择。，表示选择。例如：例如： Could you tell us ? Will he really come here ? （合并句子）（合并句子） Could you tell us if / whether he will really come here ?注意：注意： if 和和whether在引导宾语从句时，一般可以互换，在引导宾语从句时，一般可以互换，但下列但下列5种情况中只能用种情况中只能用whether ，而不能用，而不能用if 。1）当和）当和or not 一起使用时。例如：一起使用时。例如：We didnt know whether or not she was ready. 我们不知道她是否已做好准备。我们不知道她是否已做好准备。2）宾语从句用作介词宾语时。例如：）宾语从句用作介词宾语时。例如： I am interested in whether he joined the army. 我对他是否参军了很感兴趣。我对他是否参军了很感兴趣。3）当宾语从句移到句首表示强调时。例如：）当宾语从句移到句首表示强调时。例如：Whether this is true or not, Im not sure. 这是否真实，我不敢肯定。这是否真实，我不敢肯定。4)连词处于动词不定式前，用连词处于动词不定式前，用whether而不用而不用if。例如：例如： We decided whether to walk there.5）.用在discuss后面时：They are discussing whether they should go by bus. 小结：三前二后小结：三前二后: 句子前面，句子前面，or not前面，不定式前；介词之后与前面，不定式前；介词之后与 discuss后，要用后，要用whether不用不用if.3.当宾语从句由特殊疑问句变化而来时，则用该当宾语从句由特殊疑问句变化而来时，则用该特殊疑问词来引导宾语从句。特殊疑问词来引导宾语从句。例如：例如： Could you tell me ? Where is the nearest post office ? （合并句子）（合并句子） Could you tell me where the nearest post office is ?注意：连接词作定语时，和它所修饰的词是不可注意：连接词作定语时，和它所修饰的词是不可以分开的。例如：以分开的。例如：What time , which room , how many people等。例如：等。例如：I dont know how many people there are in the room. 要点二：宾语从句的语序要点二：宾语从句的语序 宾语从句一律用陈述句语序。不论从宾语从句一律用陈述句语序。不论从句由哪个引导词引导，也不论主句是句由哪个引导词引导，也不论主句是陈述句还是疑问句，从句的结构均为陈述句还是疑问句，从句的结构均为“引导词引导词+主语主语+谓语谓语+其他成分其他成分”。例如例如：1.We dont know when they will arrive. 2.Could you tell me which way we must take to get to the museum?Choose 1.Im not sure _.A.where do you live B. where you live B2. They dont know _. A. where the museum is B. where is the museum A3. Do you remember _?A. where did you put the keys B. where you put the keys B4. I have no idea _. A. how much a concert ticket costs B. how much does a concert ticket costA5. Do you know _ ? A. is it going to rain B. if it is going to rain B6. Can you tell me _ ? A. where have they moved B. whether they have moved.B7. Im not really sure_. A. whether the plane will be late B. will the plane be late. A 要点三：宾语从句的时态要点三：宾语从句的时态（有三条规则）（有三条规则）1.如果主句是祈使句或是一般现在时或如果主句是祈使句或是一般现在时或一般将来时态，宾语从句可根据句意一般将来时态，宾语从句可根据句意选择任何一种时态。选择任何一种时态。例如：例如：1).Do you know who he was talking with at eight last night?2). Please tell me how many pictures they have drawn .3).Mary says she will come back soon .2.如果主句是一般过去时，则宾语从句如果主句是一般过去时，则宾语从句常用表示过去的任意时态。常用表示过去的任意时态。例如：例如：1).He said that he was a cleaner .2).I knew she had cleaned the house already .3.如果宾语从句表达的是客观事实、真如果宾语从句表达的是客观事实、真理、自然现象、名言、谚语等时，主句理、自然现象、名言、谚语等时，主句即使使用了过去时，宾语从句仍然用一即使使用了过去时，宾语从句仍然用一般现在时。般现在时。 例如：例如：1).He said (that) time is money.2). Our teacher told us that light travels much faster than sound .3). She said that one and one makes two .1.The headmaster hopes everything _ well. (go)2.Tom says that they _ (play) basketball at six oclock yesterday evening. 3.I hear they _ (return) it already. 4.He asked what they _ at eight last night. (do)5.He said that they _ members of the Party since 1948. (be)goeswere playinghave returnedwere doinghad been6. The teacher told his class that light _ faster than sound. (travel)7.I think you _ about the relay race now. (talk)8.I didnt know whom the letters _ from. (be)9.The radio says it _ cloudy tomorrow. (be)travelsare talkingwereWill be一类常考的宾语从句试题一类常考的宾语从句试题请看这三道中考试题请看这三道中考试题:例1.I dont know when he _ . When he _ ,Ill let you know. A.comes; comes B.will come; comesC.comes; will come D.will come; will comeB解析：例解析：例1中包含有宾语从句和条件状语从句，中包含有宾语从句和条件状语从句，前一句为宾语从句，后一句为时间状语从句。在宾前一句为宾语从句，后一句为时间状语从句。在宾语从句中，当主句为一般现在时，从句可根据句意语从句中，当主句为一般现在时，从句可根据句意采用任何时态，故第一空应填将来时；第二句是一采用任何时态，故第一空应填将来时；第二句是一个由个由when引导的时间状语从句，主句为将来时态，引导的时间状语从句，主句为将来时态，从句应该用一般现在时态，故答案为从句应该用一般现在时态，故答案为B。例例2.I dont know _ he will come tomorrw. _ he comes, Ill tell you. (2005江苏江苏) A.if; Whether B.whether; Whether C.if; That D.if; If 解析：例中，前一句是宾语从句，用解析：例中，前一句是宾语从句，用if和和whether均可，但后一句为条件状语从句，均可，但后一句为条件状语从句，只能用只能用if，故答案为，故答案为D。D例例3. I dont know if he _. He will come if it _. A.comes; wont rain B.will come; doesnt rain C.comes; doesnt rain D.will come; wont rain 解析：例中，前一句是解析：例中，前一句是if引导的宾语从引导的宾语从句，根据意思判断应为将来时，后一句是句，根据意思判断应为将来时，后一句是条件状语从句，主句为将来时，从句用一条件状语从句，主句为将来时，从句用一般现在时，故答案为般现在时，故答案为B.B在中考试题中，对宾语从句的考查主要体在中考试题中，对宾语从句的考查主要体现在三个方面：连词、语序和时态。近年来现在三个方面：连词、语序和时态。近年来对状语从句和宾语从句的混合考查更加频繁，对状语从句和宾语从句的混合考查更加频繁，要注意综合分析。下面还有五道模拟中考题，要注意综合分析。下面还有五道模拟中考题，大家做做看。大家做做看。1.I want to know if they_ the spring sports meeting next month. If they _ it,I must get ready for it. A.hold; will hold B.will hold; hold C.hold; hold D.will hold; will hold B2.Excuse me,sir,could you tell me_? A.where I can find the toilet B.where can I find the toilet C.where do I find the toilet D. the toilet is where 3.Could you tell me _? Yes, They _ to the library. A.Where are the twins; have been B.Where were the twins; have gone C.Where were the twins; have been D.Where the twins were; have goneAD4.Do you know_? Yes, he came here on a train. A.when he came here B.if he will come here C.why he came here D.how he came here5.Father asked Edison_doing that for. A.how he was B.what he was C.Why was he D.where he wasDB宾语从句巧记歌宾语从句巧记歌 学习宾从三注意：学习宾从三注意： 时态语序连接词。时态语序连接词。 时态主从要呼应，时态主从要呼应， 运用当中应切记；运用当中应切记； 主句若为现在时，主句若为现在时， 从句时态随句意；从句时态随句意； 主句若为过去时，主句若为过去时， 从句时态变过去；从句时态变过去； 语序要用陈述序，语序要用陈述序， 切莫照搬疑问句；切莫照搬疑问句； that连接陈述句，连接陈述句， 省与不省没关系；省与不省没关系； 从句若表是否时，从句若表是否时， if,whether均可以；均可以； 特殊问句作宾语，特殊问句作宾语， 仍用原来疑问词；仍用原来疑问词； 三个问题须牢记。三个问题须牢记。 切莫丢东忘了西。切莫丢东忘了西。1.I dont know if he _(come) tomorrow. If he _(come), Ill ring you up.will comecomes2. He doesnt know _ to stay or not.A.whether B. if C. either D. if he willA.whether3.I dont know _ or not our teacher will come here; _ he comes, Ill let you know.A.if;whether B. whether;ifC. whether;whether D. if;ifB13. He told me _he was thirteen his father died. A. when, that B. that C. / D. That, when14 Do you think _ an English film tomorrow night? A. is there B. there is going to have C. there is going to be D. will there be15. I dont know _ he will come tomorrow. _ he comes, Ill tell you.A.if,whether B.whether,whether C.it,that D if, If 16.The teacher said they _ a meeting16.The teacher said they _ a meeting next Monday. next Monday.A.haveA.have B.hasB.has C.hadC.had D.wouldD.would have have17.Could you tell me _ ?17.Could you tell me _ ? A.whereA.where does uncle Wang live does uncle Wang live B.whereB.where did uncle Wang live did uncle Wang live C.whereC.where uncle Wang lives uncle Wang lives D.whereD.where uncle Wang lived uncle Wang lived18._We don18._We dont know _ he is.t know _ he is. _They say he is much better these days. _They say he is much better these days. A.whatA.what B.whoB.who C.howC.how D. where D. where19.Does the radio tell _ it19.Does the radio tell _ itll snow or not?ll snow or not? A.weatherA.weather B.thatB.that C.ifC.if D.whetherD.whether