宾语从句的用法和句式构成,在线等,急!

宾语从句的用法和句式构成,在线等,急!
宾语从句的用法和句式构成,在线等,急!

宾语从句的用法和句式构成,在线等,急!
主语+谓语+引导词+宾语从句
宾语从句就是用在动词,介词之后的从句部分
引导词（考点所在）
A,由that 引导的陈述句性的宾语从句,在很多动词如say,think,wish ,hope,see,believe,agree,expect,hear ,feel等动词后.连词that只起连接作用,在从句中不做句子的成分,也无词汇意义,在口语中常被省略,但在大多数情况下还是以不省为好,特别是在笔语中.
例：I told him that he was wrong.
l在许多带有复合宾语的句子中,that引导的宾语从句经常移到句子的后面,而用it做形式宾语.
例：We think it wrong that he told a lie to everyone (我认为他向每一个人撒谎是错误的)
B,由连词if、 whether 引导的表示“是否…”的宾语从句.Whether,if 在从句中不做句子的成分,一般情况下,whether和if 可以替换.
例：I don’t know if/whether he will come tomorrow.
The teacher asked if/whether we had finished the experiment.
l在介词后面的宾语从句中不用if引导
例：Everything depends on whether we have enough money.
l宾语从句中有or not时不用if引导.
例：I don’t know whether the movie star will come or not.
l和不定式连用作宾语时不用if引导.
例：Whether to go there or not hasn’t been decided.
C,由wh-引导的宾语从句.连接代词who,whom,whose,what,which,和连接副词when,where,why,how 等连接的宾语从句,它们在句中即有连接从句的作用,又在句中充当句子的成分.
例：Do you know which film they are talking about?(which做定语)
I don’t know where he lives.(where 做地点状语)
二,宾语从句的语序,
宾语从句从句的语序必须是陈述语序,既连接词+主语+谓语+其他成分
例：I believe that they will come soon.
He asked me whether I was a teacher.
They wanted to know what they can do for us.
二,宾语从句的时态.
宾语从句的时态受主句的限制,
既：主句是一般现在时态,从句根据实际情况而定.
主句是一般过去时态,从句用相应的过去的时态.如果从句的动作发生在主句之前,则从句要用过去完成时态.
例:
1)She says that she is a student.
She said that she was a student.
2)She says that she will fly to Japan in a week.
She said that she would fly to Japan in a week.
3)She says that she has finished her homework already.
She said that she had finished her homework already.
4)She says that she can sing a song in English.
She said that she could sing a song in English.
l如果宾语从句说的是客观真理、自然现象或事实时,这时宾语从句要用一般现在时态.
例：The teacher said that the earth goes round the sun.
He told me that Japan is an island country.
lCould you tell me…是用来征询对方的意见,语气委婉,并不表示过去.
例：Could you tell me when we will visit the Histury Museum?
注意事项：
u由陈述句变成宾语从句时,要注意人称的变化.
例：She said:“I have been to England before.”
She said that she had been to England before.
She asked me:“Do you like maths?”
She asked me if I liked maths.
u宾语从句与简单句的交换.
由连接代词和连接副词引导的宾语从句,如果宾语从句的主语和主句的主语是同一个人时,可以用“疑问词+不定式
”做宾语的简单句结构.
例：I don’t know what I should do next.
I con’t know what to do next.
He didn’t know where he would live.

宾语从句可以用很多引导词引出，连接词that if whether
e.g. Everybody knows (that) the earth is round.
it depends on whether we will have enough money
i don't know if i'll be free tomorrow

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宾语从句可以用很多引导词引出，连接词that if whether
e.g. Everybody knows (that) the earth is round.
it depends on whether we will have enough money
i don't know if i'll be free tomorrow
连接代词（what which who whom whose whatever whichever whoever whomever)和连接副词（when where why how)
e.g Could you tell me where the nearest post office is ?
i am very interested in how he has improved his English in such a short time
it has not been decided when they will meet
Please tell me who/whom you are waiting for.
i was wondering which dictionary i should buy.
I can't tell whose book this is .

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引导词+宾语从句 构成句子的成分。宾语从句。在句子中做宾语成分。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。宾语从句五大要素。引导词【1.that无实际意义可省。2..if/whether意思为是否。不可省必须翻译。带有疑问含义不充当成分。如果宾语从句是否定或者一般疑问句。这时引导词只能用If。有。or not结尾的宾语从句只能用whether。嘿嘿。，。我都是一直用whe...

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引导词+宾语从句 构成句子的成分。宾语从句。在句子中做宾语成分。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。宾语从句五大要素。引导词【1.that无实际意义可省。2..if/whether意思为是否。不可省必须翻译。带有疑问含义不充当成分。如果宾语从句是否定或者一般疑问句。这时引导词只能用If。有。or not结尾的宾语从句只能用whether。嘿嘿。，。我都是一直用whether的。，不容易错！~ 】。陈述语序【称述滴语序！~】、时态一致【1。主句现在时。、从句根据需要改变时态。2.主句过去式+从句过去式（过去将来时或者过去完成时……）3.主句过去式+客观真理（一般现在时例如the Earth moves around the Sun.）】。人称一致【一随主。二随宾。三不变、（一二三。都是第一二三人称。）】。标点符号看主句。

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