宾语从句的结构区别

kuaidi.ping-jia.net  作者:佚名   更新日期:2024-07-30
宾语从句的结构是什么?

宾语从句定义、示例、用法最生动解释

宾语从句
在句子中起宾语作用的从句叫做宾语从句.宾语从句分为三类:动词的宾语从句,介词的宾语从句和形容词的宾语从句.
1.宾语从句的连接词
从属连词
连接宾语从句的从属连词主要有that,if,whether.
that引导表示陈述句的宾语从句,而if和whether引导表示“是否”的宾语从句.
He told that he would go to the college the next year
他告诉我他下一年上大学.
I don’t know if there will be a bus any more.
我不知道是否还会有公交车.
Nobody knew whether he could pass the exam.
没人知道他是否会通过考试.
连接代词
连接代词主要有who, whom ,whose ,what ,whoever ,whomever ,whosever, whatever, whichever等.
连接代词一般指疑问,但what, whatever除了指疑问外,也可以指陈述.
Do you know who has won Red Alert game?
你知道谁赢了这一局红警游戏吗?
I don’t know whom you should depend on.
我不知道你该依靠谁.
The book will show you what the best CEOs know.
这本书会告诉你最好的执行总裁该了解些什么.
Have you determined whichever you should buy,a Motorola or Nokia cell phone?
你决定好是买诺基亚还是摩托罗拉的电话了吗?
连接副词
连接副词主要有when,where,why,how,whenever,wherever,however等.
He didn’t tell me when we should meet again.
他没有告诉我什么时候我们能再见面.
Could you please tell me how you read the new panel?
你能展示给我怎么用这个新的操作盘吗?
None of us knows where these new parts can be bought.
没有人知道这些的新的零件能在哪里买到.
2.动词的宾语从句
大多数动词都可以带宾语从句
We all expect that they will win , for members of their team are stronger.
我们都预料他们会赢,因为他们的队员更强壮.
He told us that they would help us though the whole work.
他告诉我们在整个工作中,他都会帮忙的.
部分“动词+副词”结构也可以带宾语从句
I have found out that all the tickets for the concert have been sold out.
我发现这场音乐会的所有票都买光了.
Can you work out how much we will spend during the trip?
你能计算出这次旅行我们将花费多少钱吗?
动词短语也可以带宾语从句
常见的这些词有:
make sure确保 make up one’s mind下决心 keep in mind牢记
Make sure that there are no mistakes in your papers before you turn them in.
在上交试卷前确保没有任何错误.
可运用形式宾语it代替的宾语从句
①动词find,feel,consider,make,believe等后面有宾语补足语的时候,则需要用it做形式宾语而将that宾语从句后置.
I think it necessary that we take plenty of hot water every day .
我认为每天多喝开水是有必要的.
I feel it a pity that I haven’t been to the get-together.
我没去聚会,感觉非常遗憾.
I have made it a rule that I keep diaries.
我每天写日记成了习惯.
We all find it important that we (should) make a quick decision about this mater.
我们都认为对这件事马上做出决定很重要.
②有些动词带宾语从句时寻要在宾语与从句前加it
这类动词主要有:hate, take , owe, have, see to.
I hate it when they with their mouths full of food.
我讨厌他们满嘴食物时说话.
He will have it that our plan is really practical.
他会认为我们的计划确实可行.
I take it that you will agree with us.
我们认为你会同意我们的.
When you start the engine, you must see to it that car is in neutral.
开启发动机时, 一定要使汽车的离合器处于空挡位置.
③若宾语从句是wh-类,则不可用it代替
We all consider what you said to be unbelievable.
我们都认为你所说的是不可信的.
We discovered what we had learned to be valuable.
我们发现我们所学到的东西都是有用的.
3.介词的宾语从句
用wh-类的介词宾语从句
We are talking about whether we admit students into our club.
我们正在讨论是否让学生加入我们的俱乐部.
The new book is about how Shenzhou 6 manned spaceship was sent up into space.
这本新书是关于神州6号载人航天飞船是如何升如太空的.
用that,if引导的介词宾语从句
有时候except,but,besides三个介词后可见到that引导的宾语从句
I know nothing about my new neighbor except that he used to work with a company.
对于我的新邻居我只知道他曾在一家公司上班,其他一无所知.
4.形容词的宾语从句
常用来引导宾语从句的形容词有: sure,certain,glad,please,happy,sorry,afraid,satisfied,surprised
I am sure I will pass the exam.
我确信我会通过考试.
I am sorry that I have troubled you so long.
很抱歉我这么长时间在打扰你.
He is glad that Li Ming went to see him when he was ill.
他很高兴在他生病的时候李明能去看望他.
5.if,wheter在宾语从句中的区别
①if和whether在作“是否”解时,引导宾语从句常放在动词know,ask,care,wonder,find out等之后,介词后一般不用if
②少数动词,如:leave,put,discuss,doubt后的宾语从句常用whether.
③whether后可以加or not,但是if不可以.
④在不定式前只能用whether.
如: I can’t decide whether to stay. 我不能决定是否留下。
⑤避免歧异时,我们常用whether而不用if.
6.哪些宾语从句不可以省略引导词that
当that作learn,suggest,explain,agree,wonder,prove,mean,state,feel,hold等动词的宾语时;
当宾语从句较长时;
当主语状语置于主句尾,宾语从句之前时;
当主语谓语动词(包括非谓语动词)与宾语从句之间有插入语时;
当一个动词带有两个或两个以上宾语从句时,此时第一个that可以省略,第二个that不可以省略;
当宾语从句中的主语是this,that或this,that做主语的定语时;
当宾语从句是双宾语中的直接宾语时;
当宾语从句的主语是非谓语动词或主语从句时;
当主语中的谓语动词是固定词组时;
当宾语从句有it做其先行词时;
在直接引语中,转述分句把宾语从句隔开时.
7.宾语从句的否定转移
主句是谓语动词是think,believe,imagine,suppose,consider,espect,fancy,guess等,并且主句的主语是第一人称而且为一般现在时,从句的否定词一般要转移到主句上来,其反义疑问句一般与宾语从句一致.
I don’t think he will come to my party.而不能说成I think he won’t come to my party.
我认为他不会来我的舞会.
I don’t believe that man is killed by Jim,is he?
我认为那个人不是Jim所杀的,是不是?
如果宾语从句中有某个含有否定意义的形容词或副词,其反义疑问句要用肯定形式.
We find that he never listens to the teacher carefully,does he?
我们发现他从来不仔细听老师讲课,是不是?
8.宾语从句的时态和语序
当主句为现在时或将来时的时候,宾语从句的时候一般不受主句的时态所影响.
当主句为过去时的时候
①从句用一般过去时或过去进行时表示与主句谓语动词动作同时发生
I only knew he was studying in a western country,but I didn’t know what country he was in.
我只知道他当时在西方的一个国家读书,可不知道是哪个国家.
He asked me if I was reading the story The Old Man and the Sea when he was in.
他问我他进来的时候我是否在读.
②从句过去完成时表示该动作发生在主句谓语动作之前
He told me that he had told Mary about the meeting already.
他告诉我他已经把有关会议的事情告诉的了Mary.
③从句谓语用过去将来时表示该动作发生在主句谓语动作之后
The reporter asked if the government would take necessary measures to put down the to-do.
记者问政府是否会采取必要的措施镇压骚乱.
如果从句是一个客观真理,那么从句的时候不根据主句的时态而变化
The teacher said that the moon goes around the earth yesterday.
老师昨天说月亮绕着地球转.
当宾语从句的引导词是who,which,what,when,where,how,why等表疑问时,不能按正常语序安排,经常将这类引导词置于句首
Who do you think the public might choose as their favorite singer this year?
你认为今年公众会选谁为他们最喜欢的歌手.

宾语从句,即:在主句中担当宾语的从句。学习宾语从句要抓住三要素:连接词、语序和时态。
连接词一般都是that(指事务或人),which(指事),who(指人)
1.从句为陈述句,常选择连接词that或将that省略,直接与主句相连。
2.从句为一般疑问句,常选择连接词if或whether。在whether…ornot结构中不能用if替换。
3.从句为特殊疑问句,常选择what,when,where,which,who,how等的疑问代、副词作连接词。
注意:当who为主语时,句式为:who+谓语+其他三:判断时态情况:
1。主句是一般现在时,从句为各种时态情况
2。主句是一般过去时,从句为各种相应过去时态注意:从句描绘客观事实,用一般现在时
1. The teacher told the children that the sun____ round.
A. was B. is C. were D. are
2. I believe that our team____ the basketball match.
A. win B. won C. will win D. wins
3. I don’t know____ to visit the old man.
A. whether B. if C. that D. who
The soldiers soon reached( )was once an old temple( )the villagers used as a school.
A.which;where B.what;which C.where;which D.what;where
答:选B,动词reach后接宾语从句,从句缺少宾语,where不可,which引导宾语从句时表疑问含义“哪一个…”而此句中并非疑问含义,不知道哪一座庙宇,而是用what从句表陈述含义,意“过去的一座旧庙宇”;temple后为对其修饰的定语从句,用关系代词which代替,并在从句中作动词used的宾语,use sth. as…“把…用作…

whether + or not


that引导表示陈述句的宾语从句,而if和whether引导表示“是否”的宾语从句.
He told that he would go to the college the next year
他告诉我他下一年上大学.
I don’t know if there will be a bus any more.
我不知道是否还会有公交车.
Nobody knew whether he could pass the exam.
没人知道他是否会通过考试.
连接代词
连接代词主要有who, whom ,whose ,what ,whoever ,whomever ,whosever, whatever, whichever等.
连接代词一般指疑问,但what, whatever除了指疑问外,也可以指陈述.
Do you know who has won Red Alert game?
你知道谁赢了这一局红警游戏吗?
I don’t know whom you should depend on.
我不知道你该依靠谁.
The book will show you what the best CEOs know.
这本书会告诉你最好的执行总裁该了解些什么.
Have you determined whichever you should buy,a Motorola or Nokia cell phone?
你决定好是买诺基亚还是摩托罗拉的电话了吗?
连接副词
连接副词主要有when,where,why,how,whenever,wherever,however等.
He didn’t tell me when we should meet again.
他没有告诉我什么时候我们能再见面.
Could you please tell me how you read the new panel?
你能展示给我怎么用这个新的操作盘吗?
None of us knows where these new parts can be bought.
没有人知道这些的新的零件能在哪里买到.
2.动词的宾语从句
大多数动词都可以带宾语从句
We all expect that they will win , for members of their team are stronger.
我们都预料他们会赢,因为他们的队员更强壮.
He told us that they would help us though the whole work.
他告诉我们在整个工作中,他都会帮忙的.
部分“动词+副词”结构也可以带宾语从句
I have found out that all the tickets for the concert have been sold out.
我发现这场音乐会的所有票都买光了.
Can you work out how much we will spend during the trip?
你能计算出这次旅行我们将花费多少钱吗?
动词短语也可以带宾语从句
常见的这些词有:
make sure确保 make up one’s mind下决心 keep in mind牢记
Make sure that there are no mistakes in your papers before you turn them in.
在上交试卷前确保没有任何错误.
可运用形式宾语it代替的宾语从句
①动词find,feel,consider,make,believe等后面有宾语补足语的时候,则需要用it做形式宾语而将that宾语从句后置.
I think it necessary that we take plenty of hot water every day .
我认为每天多喝开水是有必要的.
I feel it a pity that I haven’t been to the get-together.
我没去聚会,感觉非常遗憾.
I have made it a rule that I keep diaries.
我每天写日记成了习惯.
We all find it important that we (should) make a quick decision about this mater.
我们都认为对这件事马上做出决定很重要.
②有些动词带宾语从句时寻要在宾语与从句前加it
这类动词主要有:hate, take , owe, have, see to.
I hate it when they with their mouths full of food.
我讨厌他们满嘴食物时说话.
He will have it that our plan is really practical.
他会认为我们的计划确实可行.
I take it that you will agree with us.
我们认为你会同意我们的.
When you start the engine, you must see to it that car is it neutral.
开启发动机时, 一定要使汽车的离合器处于空挡位置.
③若宾语从句是wh-类,则不可用it代替
We all consider what you said to be unbelievable.
我们都认为你所说的是不可信的.
We discovered what we had learned to be valuable.
我们发现我们所学到的东西都是有用的.
3.介词的宾语从句
用wh-类的介词宾语从句
We are talking about whether we amdit students into our club.
我们正在讨论是否让学生加入我们的俱乐部.
The new book is about how Shenzhou 6 manned spaceship was sent up into space.
这本新书是关于神州6号载人航天飞船是如何升如太空的.
用that,if引导的介词宾语从句
有时候except,but,besides三个介词后可见到that引导的宾语从句
I know nothing about my new neighbor except that he used to work with a company.
对于我的新邻居我只知道他曾在一家公司上班,其他一无所知.
4.形容词的宾语从句
常用来引导宾语从句的形容词有: sure,certain,glad,please,happy,sorry,afraid,satisfied,surprised
I am sure I will pass the exam.
我确信我会通过考试.
I am sorry that I have troubled you so long.
很抱歉我这么长时间在打扰你.
He is glad that Li Ming went to see him when he was ill.
他很高兴在他生病的时候李明能去看望他.
5.if,wheter在宾语从句中的区别
①if和whether在作“是否”解时,引导宾语从句常放在动词know,ask,care,wonder,find out等之后,介词后一般不用if
②少数动词,如:leave,put,discuss,doubt后的宾语从句常用whether.
③whether后可以加or not,但是if不可以.
④在不定式前只能用whether.
⑤避免歧异时,我们常用whether而不用if.
6.哪些宾语从句不可以省略引导词that
当that作learn,suggest,explain,agree,wonder,prove,mean,state,feel,hold等动词的宾语时;
当宾语从句较长时;
当主语状语置于主句尾,宾语从句之前时;
当主语谓语动词(包括非谓语动词)与宾语从句之间有插入语时;
当一个动词带有两个或两个以上宾语从句时,此时第一个that可以省略,第二个that不可以省略;
当宾语从句中的主语是this,that或this,that做主语的定语时;
当宾语从句是双宾语中的直接宾语时;
当宾语从句的主语是非谓语动词或主语从句时;
当主语中的谓语动词是固定词组时;
当宾语从句有it做其先行词时;
在直接引语中,转述分句把宾语从句隔开时.
7.宾语从句的否定转移
主句是谓语动词是think,believe,imagine,suppose,consider,espect,fancy,guess等,并且主句的主语是第一人称而且为一般现在时,从句的否定词一般要转移到主句上来,其反义疑问句一般与宾语从句一致.
I don’t think he will come to my party.而不能说成I think he won’t come to my party.
我认为他不会来我的舞会.
I don’t believe that man is killed by Jim,is he?
我认为那个人不是Jim所杀的,是不是?
如果宾语从句中有某个含有否定意义的形容词或副词,其反义疑问句要用肯定形式.
We find that he never listens to the teacher carefully,does he?
我们发现他从来不仔细听老师讲课,是不是?
8.宾语从句的时态和语序
当主句为现在时或将来时的时候,宾语从句的时候一般不受主句的时态所影响.
当主句为过去时的时候
①从句用一般过去时或过去进行时表示与主句谓语动词动作同时发生
I only knew he was studying in a western country,but I didn’t know what country he was in.
我只知道他当时在西方的一个国家读书,可不知道是哪个国家.
He asked me if I was reading the story The Old Man and the Sea when he was in.
他问我他进来的时候我是否在读.
②从句过去完成时表示该动作发生在主句谓语动作之前
He told me that he had told Mary about the meeting already.
他告诉我他已经把有关会议的事情告诉的了Mary.
③从句谓语用过去将来时表示该动作发生在主句谓语动作之后
The reporter asked if the government would take necessary measures to put down the to-do.
记者问政府是否会采取必要的措施镇压骚乱.
如果从句是一个客观真理,那么从句的时候不根据主句的时态而变化
The teacher said that the moon goes around the earth yesterday.
老师昨天说月亮绕着地球转.
当宾语从句的引导词是who,which,what,when,where,how,why等表疑问时,不能按正常语序安排,经常将这类引导词置于句首
Who do you think the public might choose as their favorite singer this year?
你认为今年公众会选谁为他们最喜欢的歌手.
注意think believe suppose 后面的that一般都省略.

宾语从句,在复合句中作宾语,位于及物动词后;
eg. Tell him which class you are in .
Do you know what he likes?
注:(1)主、从句时态一致:
主句谓语过去时,从句相应过去时;
He answered that he was listening to me.
主句谓语现在时,从句时态任所需;
eg. He says (that) he will leave a message on my desk.
They know (that) he is working hard.
具体过去永不变,真理格言现在时;
eg.He told me that he was born in 1980.
Father told me that practice makes perfect .
(2)否定前移,及完成反意问句;
在think / believe / suppose / guess / imagine / expect等动词后跟宾语从句否定式时,应转移到主句上去,完成反意问句时,应与从句主、谓保持一致。(注: 否定前移的条件是,主句主语是第一人称)
eg. I don't think you are right ,are you ?
I don't believe they have finished their work yet,have they ?
(3)在表示建议 suggest , advise
要求demand 、desire、require、request、propose;
决定 decide;
命令 order、command;
坚决主张 insist;
等动词后跟宾语从句,用(should)+v.(虚拟语气)
eg. I suggested that you(should)study hard.
He ordered that we should go out at once.
(4)如果宾语从句后有宾语补语,用it作形式宾语,把宾语从句后置
eg.You may think it strange that he would live there.
(5)宾语从句that常可省略,但在以下情况下不能省略
A.当主句谓语动词带有两个或两个以上宾语从句时,可以省略第一个that,其他不能省略。
eg.I believe(that)you have done your best and that things will get bet?鄄ter.
B.当it作形式宾语时
eg.She made it clear that she had nothing to do with him.
C.当宾语从句前置时
eg.That our team will win,I believe.

  1. 宾语从句:在句子中起宾语作用的从句叫做宾语从句。

  2. 宾语从句分为三类:动词的宾语从句,介词的宾语从句和形容词的宾语从句。

  3. 宾语从句的连接词从属连词

    连接宾语从句的从属连词主要有:that,if,whether. that引导表示陈述句的宾语从句,而if和whether引导表示“是否”的宾语从句。
    例如:

    He told that he would go to the college the next year
    他告诉我他下一年上大学.
    I don’t know if there will be a bus any more.
    我不知道是否还会有公交车.
    Nobody knew whether he could pass the exam.
    没人知道他是否会通过考试.

  4. 连接代词
    连接代词主要有who, whom ,whose ,what ,whoever ,whomever ,whosever, whatever, whichever等.
    连接代词一般指疑问,但what, whatever除了指疑问外,也可以指陈述.
    Do you know who has won Red Alert game?
    你知道谁赢了这一局红警游戏吗?
    I don’t know whom you should depend on.
    我不知道你该依靠谁.
    The book will show you what the best CEOs know.
    这本书会告诉你最好的执行总裁该了解些什么.
    Have you determined whichever you should buy,a Motorola or Nokia cell phone?
    你决定好是买诺基亚还是摩托罗拉的电话了吗?

  5. 连接副词
    连接副词主要有when,where,why,how,whenever,wherever,however等.
    He didn’t tell me when we should meet again.
    他没有告诉我什么时候我们能再见面.
    Could you please tell me how you read the new panel?
    你能展示给我怎么用这个新的操作盘吗?
    None of us knows where these new parts can be bought.
    没有人知道这些的新的零件能在哪里买到.

  6. 动词的宾语从句
    大多数动词都可以带宾语从句
    We all expect that they will win , for members of their team are stronger.
    我们都预料他们会赢,因为他们的队员更强壮.
    He told us that they would help us though the whole work.
    他告诉我们在整个工作中,他都会帮忙的. 

  7. 部分“动词+副词”结构也可以带宾语从句
    I have found out that all the tickets for the concert have been sold out.
    我发现这场音乐会的所有票都买光了.
    Can you work out how much we will spend during the trip?
    你能计算出这次旅行我们将花费多少钱吗?

  8. 动词短语也可以带宾语从句
    常见的这些词有:
    make sure确保 make up one’s mind下决心 keep in mind牢记
    Make sure that there are no mistakes in your papers before you turn them in.
    在上交试卷前确保没有任何错误.

  9. 形容词的宾语从句
    常用来引导宾语从句的形容词有: sure,certain,glad,please,happy,sorry,afraid,satisfied,surprised
    I am sure I will pass the exam.
    我确信我会通过考试.
    I am sorry that I have troubled you so long.
    很抱歉我这么长时间在打扰你.
    He is glad that Li Ming went to see him when he was ill.
    他很高兴在他生病的时候李明能去看望他.

  10. if,wheter在宾语从句中的区别
    ①if和whether在作“是否”解时,引导宾语从句常放在动词know,ask,care,wonder,find out等之后,介词后一般不用if
    ②少数动词,如:leave,put,discuss,doubt后的宾语从句常用whether.
    ③whether后可以加or not,但是if不可以.
    ④在不定式前只能用whether.
    如: I can’t decide whether to stay. 我不能决定是否留下. 
    ⑤避免歧异时,我们常用whether而不用if.
    6.哪些宾语从句不可以省略引导词that

  11. 当that作learn,suggest,explain,agree,wonder,prove,mean,state,feel,hold等动词的宾语时;
    当宾语从句较长时;
    当主语状语置于主句尾,宾语从句之前时;
    当主语谓语动词(包括非谓语动词)与宾语从句之间有插入语时;
    当一个动词带有两个或两个以上宾语从句时,此时第一个that可以省略,第二个that不可以省略;
    当宾语从句中的主语是this,that或this,that做主语的定语时;
    当宾语从句是双宾语中的直接宾语时;
    当宾语从句的主语是非谓语动词或主语从句时;
    当主语中的谓语动词是固定词组时;
    当宾语从句有it做其先行词时;
    在直接引语中,转述分句把宾语从句隔开时.

  12. 宾语从句的否定转移
    主句是谓语动词是think,believe,imagine,suppose,consider,espect,fancy,guess等,并且主句的主语是第一人称而且为一般现在时,从句的否定词一般要转移到主句上来,其反义疑问句一般与宾语从句一致.
    I don’t think he will come to my party.而不能说成I think he won’t come to my party.
    我认为他不会来我的舞会.
    I don’t believe that man is killed by Jim,is he?
    我认为那个人不是Jim所杀的,是不是?
    如果宾语从句中有某个含有否定意义的形容词或副词,其反义疑问句要用肯定形式.
    We find that he never listens to the teacher carefully,does he?
    我们发现他从来不仔细听老师讲课,是不是?



  宾语从句
  宾语从句的连接词:that
  结构:主语+谓语+宾语(陈述语序)
  注意:
  引导词为that ;
  语序为v.+主语+谓语+由if、whether引导宾语从句;
  主句为现在时 从句为任意时态。
  从属连词
  连接宾语从句的从属连词主要有that,if,whether,和疑问词(what, how, where, when ...)。
  that引导表示陈述句的宾语从句,
  if和whether,whether...or not引导表示“是否”的一般疑问句的宾语从句。
  关联代词
  连接代词主要有who,whom,whose,what,whoever,whomever,whosever,whatever,whichever等。
  连接代词一般指疑问,但what,whatever除了指疑问外,也可以指陈述。
  关联副词
  连接副词主要有when,where,why,how,whenever,wherever,however等。
  例句:
  He didn’t tell me when we should meet again.
  他没有告诉我什么时候我们能再见面。
  注:宾语从句通常跟在名词或代词后面。
  动宾从句
  大多数及物动词都可以带宾语从句。
  部分“动词+副词”结构也可以带宾语从句。
  动词短语也可以带宾语从句,常见的这些词有:
  make sure(确保)、make up one’s mind(下决心)、keep in mind(牢记)
  可运用形式宾语it代替的宾语从句
  ①动词find,feel,consider,make,believe,think等后面有宾语补足语的时候,则需要用it做形式宾语而将that宾语从句后置。
  ②有些动词带宾语从句时需要在宾语与从句前加it(双宾语)这类动词主要有:hate,take,owe,have,see to.award,lend.hand,mail,offer,pass,pay,post,read,return,show,teach,tell
  介宾从句
  用whether之类的介词宾语从句。
  用that,if引导的介词宾语从句,有时候except,but,besides三个介词后可见到that引导的宾语从句。
  形容+宾从句
  有些形容词具有动词的含义,所以也可以带一个宾语从句;
  例句:
  I am sorry I am late.
  I am glad that you can join us.
  Are you sure his answer is right?
  常用来引导宾语从句的形容词有:sure,certain,glad,please,happy,sorry,afraid,satisfied,surprised
  if与whether
  if和whether在作“是否”理解时,引导宾语从句常放在动词know,ask,care,wonder,find out等之后,介词后一般不用if。
  少数动词,如:leave,put,discuss,doubt后的宾语从句常用whether。
  whether后可以加or not,但是if不可以。
  在不定式前只能用whether。
  一般“no matter”后表示“是否”用whether而不用if。
  不省略引导词
  存在以下情况时引导词that不可省略:
  that作learn,suggest,explain,agree,wonder,prove,mean,state,feel,hold等动词的宾语。
  宾语从句较长。
  主语状语置于主句尾,宾语从句之前。
  主语谓语动词(包括非谓语动词)与宾语从句之间有插入语。
  一个动词带有两个或两个以上宾语从句时,第一个that可以省略,第二个that不可以省略。
  宾语从句中的主语是this,that或those,these做主语的定语。
  宾语从句是双宾语中的直接宾语。
  宾语从句的主语是非谓语动词或主语从句。
  主语中的谓语动词是固定词组。
  宾语从句有it做其先行词。
  直接引语中,转述分句把宾语从句隔开。
  that在从句中充当主语。
  否定转移
  主句的谓语动词是think,believe,imagine,suppose,consider,expect,fancy,guess等,并且主句的主语是第一人称而且为一般现在时,从句的否定词一般要转移到主句上来,其反义疑问句一般与宾语从句一致.
  如果宾语从句中有某个含有否定意义的形容词或副词,其反义疑问句要用肯定形式.我们通常称为否定前移。
  时态和语序
  当主句为现在时或将来时,宾语从句的时态一般不受主句的时态所影响.
  当主句为过去时
  ①从句用一般过去时或过去进行时表示与主句谓语动词动作同时发生
  ②从句过去完成时表示该动作发生在主句谓语动作之前
  ③从句谓语用过去将来时表示该动作发生在主句谓语动作之后
  ④如果从句是一个客观真理,那么从句的时态不根据主句的时态而变化
  ⑤当宾语从句的引导词是who,which,what,when,where,how,why等表疑问时,不能按正常语序安排,经常将这类引导词置于句首
  无论任何时候都为陈述语序.但也有部分口语提问例外 E.G:What's the matter?What's wrong with you?

  • 宾语从句简单说一下是什么结构
    答: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。When did he leave? I don't know.→I don't knowwhen he left.我不知道他什么时候离开的。Does he work hard? I wonder.→I wonderif/whether he works hard.我想知道他是不是工作努力。3 时态 ①如果主句是现在的时态,从句的...
  • 英语中,宾语从句的结构
    答:5.if,wheter在宾语从句中的区别 ①if和whether在作“是否”解时,引导宾语从句常放在动词know,ask,care,wonder,find out等之后,介词后一般不用if ②少数动词,如:leave,put,discuss,doubt后的宾语从句常用whether. ③whether后可以加or not,但是if不可以. ④在不定式前只能用whether. ⑤避免歧异时,我们常用whether...
  • 怎么分辨主语从句,宾语从句,表语从句?
    答:英语句子的基本结构就是:主语+谓语+宾语。主语+系动词+表语。如果在主语的位置上,出现的不是一个名词,而是一句话,那么它就被叫作"主语从句"。其它两个位置也是如此。
  • 宾补和宾语从句有什么区别
    答:句子中的singing是现在分词做宾语补足语。能够充当宾补的还有宾语补足语的大致有:不定式,现在分词,过去分词,形容词,副词,介宾短语等。一般情况下,宾补通常紧跟在宾语之后。特点 1、宾语从句可以作及物动词、介词及形容词的宾语。2、宾语从句的语序一律用陈述句语序。3、连接词that引导宾语从句在句...
  • 宾语从句和同位语从句有什么不同
    答:1、定义不同 宾语从句是在主从复合句中充当宾语,位于及物动词、介词或复合谓语之后的从句。同位语从句是在复合句中充当同位语的从句。用来对其前面的抽象名词进行解释说明,被解释说明的词和同位语在逻辑上是主表关系。2、引导词不同 宾语从句的引导词有that,whether,if ,但 whether后可紧跟or not。...
  • 定语从句和宾语从句在结构和构成上有什么区别,请举例句、
    答:定语从句一般是用来修饰、说明名词或代词的,由关系代词或关系副词引导,关系代词有who,whom,which,that,whose,关系副词有when,where和why。例如:He is just the boy that I've been looking for. 其中,“that I've been looking for ”就是用来修饰the boy的,叫做定语从句。宾语从句是用来做...
  • 怎样区分宾语从句的主句和从句
    答:宾语从句定义:当一个完整的句子充当宾语时,称为宾语从句,其作用相当于一个名词词组。宾语从句跟在谓语动词或介词后也可以跟在及物动词的动名词(ing形式)、不定式(to do形式)或现在分词后,表示动作的内容或对象。e.g. I don't believe his words.I don't believe what he said.我不相信...
  • 间接引语和宾语从句的区别
    答:语法结构不同、用法不同。1、语法结构:间接引语常是一个完整的句子,可以独立存在,也可以作为其他句子的从句。而宾语从句作为动词或介词的宾语出现,是主句的一个成分。2、用法不同:在间接引语中,原句中的主语和宾语可以转换为间接引语的宾语和主语,而其他成分保持不变。在宾语从句中,从句可以作为...
  • 宾语从句结构及形式
    答:宾语从句 宾语从句的连接词:that 结构:主语+谓语+宾语(陈述语序)注意:引导词为that ;语序为v.+主语+谓语+由if、whether引导宾语从句;主句为现在时 从句为任意时态。从属连词 连接宾语从句的从属连词主要有that,if,whether,和疑问词(what, how, where, when ...)。that引导表示陈述句的宾语...
  • 宾语从句的几种类型
    答:这类词后可以用不定式或动名词作宾语,但不可以用that引导的宾语从句。例如: I admire their winning the match. (right) I admire that they won the match. (wrong)6. 不可用that从句作直接宾语的动词 有些动词不可用于“动词+间接宾语+that从句“结构中,常见的有Envy, order, accuse, ...