that, whether,if 引导的宾语从句
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that, whether / if 引导的宾语从句在复合句中,由一个句子充当宾语,这个句子叫作宾语从句。
我们需要从三方面来学习由that, whether / if 引导的宾语从句。
一、关联词1. 陈述句作宾语时,宾语从句用that引导。
that只起连接作用,没有实际意义,在从句中不充当任何成分,因此常省略。
如:He can visit Beijing one day. My brother hopes. (合并为含有宾语从句的复合句) My brother hopes (that) he can visit Beijing one day.2. 一般疑问句作宾语时,宾语从句用whether或if引导。
whether和if意为“是否”,在从句中不充当任何成分,但不可省略。
如:Is Tom's sister an English teacher? May wants to know. (合并为含有宾语从句的复合句)May wants to know whether / if Tom's sister is an English teacher.二、语序that, whether / if 引导的宾语从句要用陈述句语序。
如:Will she go to Beijing tomorrow? I don't know. (合并为含有宾语从句的复合句)I don't know whether / if she will go to Beijing tomorrow.三、时态1. 如果主句是一般现在时,that, whether / if 引导的宾语从句可根据需要使用适当的时态;如果主句是一般过去时,that, whether / if 引导的宾语从句用相应的过去时态(一般现在时→一般过去时,现在进行时→过去进行时,一般将来时→过去将来时,现在完成时→过去完成时,一般过去时→过去完成时)。
That,if,whether引导的宾语从句在复合句中作宾语的从句叫宾语从句.引导宾语从句的常见连接词有that,if,whether,who,what,where,why和how等.本单元主要学习that,if,whether引导的宾语从句.I think(that) he is right. 我认为他是对的.We believe that it is a good way to relax. 我们相信这是一种很好的放松方式.I wonder Whether/if he is a driver. 我想知道他是否是个司机.只用whether而不用if的三种情况:(1)与or not直接连用时I don’t know whether or not the star will come. 我不知道那位明星是否会来.(2)与动词不定式连用时Mr.Li will tell us whether to have a test. 李老师将告诉我们是否进行测试.(3)做介词的宾语时Everything depends on whether we have enough time.一切都取决于我们是否有足够的时间.2.宾语从句的时态(1)若主句为一般现在时,从句可选择任何合适的时态.I’m sorry to hear that you are ill.(2)若主语是一般过去时,从句一般要用过去的某种时态.She didn’t know that Tom had left for shanghai.她不知道Tom已经去了上海.当宾语从句表达的是客观事实或规律时,无论主句是何种时态,宾语从句都要用一般现在时. Our teacher told us that light travels faster than sound.宾语从句的语序: 用陈述语序Can you tell me how i can get to the park?。
that, whether / if引导的宾语从句在复合句中,由一个句子充任宾语,这个句子叫作宾语从句。
我们需要从三方面来学习由that, whether / if引导的宾语从句。
一、关联词1.陈述句作宾语时,宾语从句用that引导。
that只起连接作用,没有实际意义,在从句中不充任任何成分,因此常省略。
如:He can visit Beijing one day. My brother hopes. (合并为含有宾语从句的复合句)My brother hopes (that) he can visit Beijing one day.2.大凡疑问句作宾语时,宾语从句用whether或if引导。
whether和if意为“是否”,在从句中不充任任何成分,但不可省略。
如:Is Tom“s sister an English teacher? May wants to know.(合并为含有宾语从句的复合句)May wants to know whether / if Tom“s sister is an English teacher.二、语序that, whether / if引导的宾语从句要用陈述句语序。
如:Will she go to Beijing tomorrow? I don“t know.(合并为含有宾语从句的复合句)I don“t know whether / if she will go to Beijing tomorrow.三、时态1.如果主句是大凡现在时,that, whether / if引导的宾语从句可根据需要使用合适的时态;如果主句是大凡过去时,that, whether / if引导的宾语从句用相应的过去时态(大凡现在时→大凡过去时,现在进行时→过去进行时,大凡将来时→过去将来时,现在完成时→过去完成时,大凡过去时→过去完成时)。
如:Andy knows (that) his wife bought a nice dress yesterday.I want to know whether / if my father will go to London next week.Jack believed (that) Mary made up the story.Mary wondered whether / if Jenny was watching a movie at 8:00 p.m. yesterday.2. that, whether / if引导的宾语从句表示客观事实或真理时,其时态不受主句限制,用大凡现在时。
【宾语从句】巧记宾语从句[宾语从句歌诀]宾语从句三姊妹,that,if/whether,wh-/how展风采。
展风采有三关,引导词、语序、时态在把关。
主从时态要一致,陈述语序永不变。
陈述请你选that,疑问需用if/whether连。
特殊问句作宾从,原来问词不用换。
三关过后莫得意,人称、标点需注意。
留意变脸的if/when,从句的简化记心间。
[歌诀解码]一、三姊妹宾语从句根据引导词的不同可分为三种类型:1. 由that引导的宾语从句。
如:We knew (that)we should learn from each other.2. 由if/whether引导的宾语从句。
如:Please tell me if/whether you have been to America.3. 由who,where,how等连接代词或连接副词引导的宾语从句。
如:Can you tell me how I can get to the nearest post office?二、三关1. 引导词关如果从句是陈述句,引导词用that(that在口语或非正式文体中常省略);如果从句是一般疑问句,引导词用if/whether;如果从句是特殊疑问句,引导词用由疑问词转换而来的疑问代词/副词。
2. 语序关①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. The teacher said. →The teacher said (that)he was an honest boy.②一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:Does he work hard?I wonder.→I wonder if/whether he works hard.When did he leave?I don’t know. →I don’t know when he left.3. 时态关①如果主句是现在的时态,从句的时态可根据实际情况而定。
一、由that引导的宾语从句1、宾语从句是指在复合句中充当宾语的句子〔宾语从句既可用于动词后:think、know、believe ;也可用于形容词之后:sure、glad......〕2、当宾语从句是由陈述句转变而来,由that引导。
3、宾语从句的that没有词义,不充当句子成分,通常省略。
4、宾语从句是否前置。
二、由if/whether引导的宾语从句〔whether更常用〕1、当宾语从句是由一般疑问句转变而来,由if/whether〔是否〕引导,不可省略。
2、常由ask、see、wonder、find out来引导。
〔I wonder if it will rain.〕3、即便是疑问从句,再变成宾语从句时应用陈述句的语序。
〔主语+谓语+宾语〕三、由特殊疑问词引导的宾语从句1、当宾语从句是由特殊疑问句转变而来,由特殊疑问词引导〔不可省略〕2、仍是陈述句语序She wants to know when the train will arrive.四、宾语从句的时态1、当主句为一般现在时,从句根据所需为任意时态。
2、当主句为一般过去时,从句为过去时的相应时态。
〔一般过去时、过去进展时......〕3、当从句为客观事实或真理时,从句为一般现在时。
Eg:I know when he will come tomorrow.I wonder what he was doing at 9 o’clock yesterday evening.Our teacher told us that the sun is bigger than the moon.五、宾语从句的反义疑问句含有宾语从句的反义疑问词由宾语从句决定,否认需要复原。
I don’t think is a good student,is he六、宾语从句的用法口诀1、宾语从句有三要素:连词、时态、语序2、陈述句连词用that,一般疑问句用if/whether,特殊疑问句用疑问词。
宾语从句的引导词及用法解析宾语从句是复合句的一种类型,用来充当主句中的宾语。
宾语从句的引导词起到连接主句和从句的作用。
本文将对一些常见的宾语从句引导词以及它们的用法进行解析。
1. 引导词“that”:“that”是最常见的宾语从句引导词,用于引导陈述句宾语从句。
它通常可以省略,但在某些情况下必须保留。
例如:- I believe (that) he is telling the truth.(我相信他在说实话。
)- They know (that) she is coming tomorrow.(他们知道她明天要来。
)2. 引导词“whether”:“whether”是用来引导宾语从句中的“是否”疑问句的引导词。
它常常用于表示选择或询问的情况下。
例如:- She asked me whether I would go with her.(她问我是否愿意和她一起去。
)- I am not sure whether it will rain tomorrow.(我不确定明天是否会下雨。
)3. 引导词“if”:“if”也可以用作宾语从句引导词,表示条件或假设。
它与“whether”的用法相似,但更常用于表示虚拟条件。
例如:- He asked me if I could lend him some money.(他问我是否能借给他一些钱。
)- If it rains, we will stay at home.(如果下雨,我们就待在家里。
)4. 引导词“wh-”:除了“that”、“whether”和“if”之外,疑问词也可以用作宾语从句引导词。
常见的疑问词有“who”、“what”、“where”、“when”、“why”和“how”。
例如:- She asked me what I was doing.(她问我在做什么。
)- I don't know who will come to the party.(我不知道谁会来参加派对。
that, whether / if引导的宾语从句在复合句中,由一个句子充当宾语,这个句子叫作宾语从句。
我们需要从三方面来学习由that, whether / if引导的宾语从句。
一、关联词1.陈述句作宾语时,宾语从句用that引导。
that只起连接作用,没有实际意义,在从句中不充当任何成分,因此常省略。
如:He can visit Beijing one day. My brother hopes. (合并为含有宾语从句的复合句)My brother hopes (that) he can visit Beijing one day.2.一般疑问句作宾语时,宾语从句用whether或if引导。
whether和if意为“是否”,在从句中不充当任何成分,但不可省略。
如:Is Tom's sister an English teacher? May wants to know.(合并为含有宾语从句的复合句)May wants to know whether / if Tom's sister is an English teacher.二、语序that, whether / if引导的宾语从句要用陈述句语序。
如:Will she go to Beijing tomorrow? I don't know.(合并为含有宾语从句的复合句)I don't know whether / if she will go to Beijing tomorrow.三、时态1.如果主句是一般现在时,that, whether / if引导的宾语从句可根据需要使用适当的时态;如果主句是一般过去时,that, whether / if引导的宾语从句用相应的过去时态(一般现在时→一般过去时,现在进行时→过去进行时,一般将来时→过去将来时,现在完成时→过去完成时,一般过去时→过去完成时)。
如:Andy knows (that) his wife bought a nice dress yesterday.I want to know whether / if my father will go to London next week.Jack believed (that) Mary made up the story.Mary wondered whether / if Jenny was watching a movie at 8:00 p.m. yesterday.2. that, whether / if引导的宾语从句表示客观事实或真理时,其时态不受主句限制,用一般现在时。
如:The teacher said (that) China lies in Asia.Ⅰ.单项选择1.—What did Max just say to you?—He asked me ________.(2016江苏连云港)A. if I would like to go skatingB. when did I buy this CDC. where I will spend the weekendD. that I had a good time2. Yesterday the teacher told us the earth ________ the sun.(2016山东烟台)A. goes aroundB. went aroundC. is going aroundD. would go around3.—What did your father say to you just now?—He asked me ________. (2016山东滨州)A. that I would like to see a movieB. where I will spend my holidayC. if I enjoyed myself at the partyD. when did I attend the graduation party4.—I wonder ________.—Yes, of course.(2016江苏盐城)A. why we will visit this museumB. when we will get to the museumC. whether the museum is worth visitingD. what we can see in the museumⅡ.句型转换1. I asked her, “Will you have a picnic tomorrow?”(改为含有宾语从句的复合句)I asked her ________ she ________ have a picnic the next day.(2016甘肃天水)2. John asked, “Can you care for my pet cat while I’m away?”(改写句子,句意不变)John asked ________ I ________ care for his pet cat while he was away.(2016四川达州)答案Ⅰ. 1-4 AACCⅡ. 1. if / whether; would2. if / whether; could含wh-及how的宾语从句Ⅰ.单项选择A1.—Do you know _______ Ann goes to work every day?—Usually by underground.A. whyB. howC. whenD. whether(2017安徽)2.—Do you know _______ The Belt and Road Forum (“一带一路”高峰论坛)began?—On May 14th, 2017.A. thatB. whenC. ifD. where(2017江苏连云港)3. Mom, have you seen my toy bear? I don't know _______ I have left it.A. whyB. whenC. howD. where(2017江苏苏州)B1.—Excuse me, can you tell me _______?—Sorry, I am too busy now. Why not search the Internet for information?A. how does smog (雾霾) come into beingB. where the national space station liesC. why are tigers becoming fewer nowD. how many years did the Qin empire last2.—What did the manager ask you after the meeting?—She asked me _______.A. what I do for the project last weekB. if can I finish the work on timeC. how did I deal with the problemD. why I was late for the meeting3.—Could you please tell me _______?—Sorry, I don't know. You may surf the Internet.A. who wroteJourney to the WestB. isTom Sawyera story from EuropeC. how high is QomolangmaD. the elephant is one of Thailand's symbols4. I don't know _______.A. what the population of Tianshui isB. what is the population of TianshuiC. how much is the population of TianshuiD. how many the population in Tianshui are5.—Excuse me, how long will it take me to get to the post office? —Well, it depends on _______.A. how you will get thereB. when you will get thereC. where you will getD. how will you get there(2017湖北咸宁)湖北襄阳)(2017湖北十堰)(2017甘肃天水)(2017(2017四川达州)Ⅱ.句型转换1. Whose schoolbag is on the desk? Father asked.(合并为含有宾语从句的复合句)Father asked _______ schoolbag _______ on the desk. (2017四川达州)2. “How do you sell goods at the WeChat shop?” Kevin asked me. (改写句子,句意不变)Kevin asked me _______ I _______ goods at the WeChat shop.(2016山东济南)3. “When will you finish the project on Internet safety?” the official asked. (改为宾语从句)The official asked _______ I _______ finish the project on Internet safety.(2016上海)答案Ⅰ. A) 1-3 BBDB) 1-5 BDAAAⅡ. 1. whose; was2. how; sold3. when; would。