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高中英语从句综合讲解

高中英语从句综合讲解
高中英语从句综合讲解

【宾语从句】

在英语中,有简单句(只含一个谓语动词)、并列句(用连词连接,含不止一个谓语动词)和复合句(含从句)。本节课我们复习复合句里面的宾语从句。

女口:She knows that he will come back soon . I ' m afraid hat I can ' t go to your party

1. 宾语从句的【引导词】宾语从句的引导词分三种。

?1)如果从句是陈述句,引导词用that.(that在口语中常省略)

主句:He says... 从句:He is tired of play ing computer games.

T He says that he is tired of play ing computer games.

?(2)如果从句是一般疑问句,引导词用if/whether,表示是否”

主句:I don ' t know … 从句:Does Tom likes fish?

T I don ' t knowwhether Tom likes fish.

【注意】① whether引导的从句常与or not连用,而if不能;

② 宾语从句可简化为whether to do的搭配,而没有if to do这种搭配.

女口:Could you tell me whether I should finish my homework today or not?

Could you tell me whether to finish my homework today?

【拓展】if有两个意思:

1. 表示是否”引导的是宾语从句。动词的时态视情况而定。

2. 表示如果”引导的是条件状语从句,时态用一般现在时表示将来(遵循主将从现”规则)。

经典例题:--Do you know if Tom ______________ (go) hiki ng with us ?

--I ' m not sure. Buf he _____________ (go), I will take many photos with him .

?3)如果从句是特殊疑问句.屮接用该疑问词来引导。

主句:Do you know … 从句:what does he want to buy?

T Do you kn ow what he wa nts to buy? 你知道他想要买什么吗?

2. 宾语从句的【时态】

■(1)当主句是一般现在时,从句根据情况使用任何时态

女口:She wants to know if I have finished my homework. 她想知道我是否已经完成了我的作业。

Do you know whe n he will be back? 你知道他将会什么时候回来?

■(2)当主句是一般过去时.从句应使用过夫的某时态

女口:He said that she was singing. 他说她正在唱歌。

She wan ted to know if I had finished my homework. 她想知道我是否已经完成了作业。

Did you know whe n he would come back? 你知道他将会什么时候回来?

【注意】格言和客观真理总是用一般现在时。

女口:She tod me yesterday (that) the earth travels around the sun.

3. 宾语从句的【语序】

★宾语从句要用陈述语序。(而不是疑问语气)

女口:Does he work hard? I wonder. T I wonder if/whether he works hard

When did he leave? I don ' t know. I don ' t knowhen he left China.

【特殊情况】

What 'wrong with…? 丁作宾语从句不需变语序

What' s the matter with ?…

女口:What' s wrong withiim? I don ' t know—I don ' t know what ' s wrorhirwith

4. 宾语从句的【否定转移】

在英语里通常不会出现“I think (that) he isn ' t right.

而会把否定转移到主句中"don't thi nk (that) he is right.

5. 宾语从句的【虚拟语气】

should + 动在含有假设、猜想、建议等意思的动词(如advice, suggest insist, require, request等)后,宾语从句要用词原形"结

构,should常省略。

女口:I suggest that he (should) study harder.【这就是为什么study 用原形】

【定语从句】

一…定义:在复合句中修饰某一名词或代词的从句叫定语从句。二^特.点:,1.先行词:定语从句所修饰的名词或代词

2. 关联词:

1) 引出定语从句,并作从句的一个成分。可作主语、宾语、定语、状语,作宾语可省略

2) 关联词包括关系代词和关系副词。关联词位于先行词和定语从句之间。

关系代词:that, which, who, whom, whose代指先行词。

关系副词:whe n, where, why作时间状语。

三?基本结构::先行词+关联词+定语从句剩余部分

四“关系代迥的用法

1. that 禾口which

that指人或物,作主语或宾语,作宾语可省略,主语不能。

Which指物,不指人,作主语或宾语,作宾语可省略,主语不能。

His father works in a factory that/which makes TV sets.

The coat (which/that) I put on the desk is black.

注意:The room in which I live is very big.(在介词后面不能用that)

2. 只能用that不能用which引导的定语从句:

1) 先行词被形容词最高级修饰时,定语从句只能用that

This is the most interesting story (that) I have ever heard.

2) 先行词被序数词修饰时,定语从句只能用that

The childre n like the sec ond less on that is about “ The Football Match

3) 先行词被the only, the very或the same等修饰,定语从句只能用that引导。

It is the only word (that) I know in the passage.

Where is the very book (that) I bought just now?

This is the (same) bicycle (that) I lost.

4) 先行词为 everything, something anything , all , none, much, little , few 等不定代词时,定语从句只能用 I want everythi ng (that) I want.

I am writi ng to tell you about somethi ng very stra nge that happe ned to me last week.

5) 先行词被不定代词 all, any, no, every, little, much, ma ny 修饰时,只能用that Here is all the money (that) I have.

6) 先行词是同时含有 “人和物”的名词时,定语从句只能用 that I can remember well the persons and some pictures (that) I see in the room.

7)定语从句所修饰的词为 the one 时,定语从句用that 引导 Is it the one ( that )you want?

8)为了避免重复,在疑问词 who 之后,用that 引导定语从句 Who is the girl that won the first place?

3. who 禾口 whom

who 指人,在句中作主语和宾语,作宾语可省略。

Whom 指人,在句中只能作宾语,可省略,但在介词后面不能省略 Who is the teacher that Xiao Li is talking to?

The doctor with whom she went to the Un ited States last mon th is very famous.

=The doctor who/whom/that she went to the Un ited States with last mon th is very famous.

五.关系副词的用法:

1. whe n 指时间,在定语从句中作时间状语 I still remember the day when I first came to Beijing.

2. where 指地点,在定语从句中作地点状语。 This is the house where I lived two years ago.

3.

why 指原因,在定语从句中作原因状语,其先行词只有表示原因的

reasor 一词.

We don ' t know the reason why he was late for school.

【状语从句】

状语的功用:状语说明地点、时间、原因、目的、结果、条件、方向、程度、方式和伴随状况等。 以下是应当关于状语从句的几点注意:

1. as if, as though

两者的意义和用法相同,引出的状语从句谓语多用虚拟语气,表示与事实相反;有时也用陈述语气,表示所说情况 是事实或实现的可能性较大。译作

仿佛……似的;好像……似的”。

They completely ignore these facts as if (as though )they n ever existed. He looks as if ( as though )he had been hit by lighting.

that

介词+关系代词=关系副词

介词+关系代词(人只能用whom,物只能用which )

whe n=on which

It looks as if the weather may pick up very soon.

2. 由because 引导的从句如果放在句末,且前面有逗

号,则可以用 情况加以推断,就只能用 for 。

He is abse nt today, because / for he is ill. He must be ill, for he is abse nt today.

3. though, although 引导的让步状语从句,后面的从句不能有 but ,但是though 和yet 可连用。

Although it's raining, they are still working in the field. He is very old, but he still works very hard. Though the sore is healed, yet a scar may rema in. 4.

as, though 引导的让步

从句 必须将表语或状语提前(形容词、副词、分词、实义动词原形提前

)。

Child as / though he was, he knew what was the right thing to do. 5.

"no matter +疑问词"或 疑问词+— ever ”

No matter what happe ned, he would not mind. = Whatever happe ned, he would not mind.

高考对状语从句的考查主要体现在省略,时态的替代,语序的倒装以及连词的辨析四个方面。

1. 成分的省略 (1)

在时间、地点、条件、让步、方式等状语从句中,如

果主语是

it 或与主句的主语一致,且谓语动词含有

可把从句的主语和

be 一起省略。

Don't speak un til (you are) spoke n to. Do come to see me whe never (it is) possible.

⑵在比较状语从句中,可省略与主句相同的部分。

I know you more than he (knows you). Tom is two years older than Alice (is).

(3)as (尽管)引导让步状语从句倒装时,表语提前,且其前的冠词要省略。 Hero as he is, he has shortco min gs. 2. 时态的替代

(1) 在时间、条件和让步状语从句中须用一般现在时替代一般将来时,用一般过去时替代过去将来时。 If it rains tomorrow, we won't go fishing. Don't get off the bus un til it has stopped.

(2) The more...the more...句型中,前句起条件状语从句作用,故用现在时表将来。 The harder you work, the greater progress you'll make.

for 来代替。如果不是说明直接原因,而是多种

be 时,

(3) after, before, as soon as等连词本身就暗示了时间的先后,因此可用一般过去时代替过去完成时,而不会产生时间上的混乱。

I went to bed after I (had) fini shed my homework.

The film star (had) left before the reporter arrived.

He got dow n to work as soon as he (had) go to the factory.

3. 语序的倒装

(1)no sooner...than..., hardly/ scarcely/ barely...when...句型中的主句常用过去完成时,从句常用一般过去时,且置于句

首时主句要倒装。

No sooner had he got home tha n it bega n to rain.

(2) so / such...that...,not until...置于句首时主句要倒装。

So angry did she feel that she could n't speak.

Not un til he told me the truth did I realize what had happe ned.

4. 连词的辨析。根据上下文的语意推断属于哪种状语从句,然后选择连词。

【补充】

【连词】

连词分为并列连词和从属连词两大类。并列连词是连接主语与主语,谓语与谓语,句子与句子,分词与分词的词,它要求前后两部分有相同的形式和语法作用;而从属连词一般连接主句与从句,从句形式有名词性从句,定语从句和状语从句等。

(一)并列连词:

并列连词可用来连接词与词,词组与词组,分句与分句。常用的并列连词有:and (和),as well as (既…又),both …and不但…而且),noton ly …but ais不但…而且),n ot …bu(不是…而是),neither …no既不…

也不),either…o(不是…就是),or (或者),but (但是),yet (然而),for (因为),so (所以),while (而),when (这时)等。

如: Both my brother and my sister are teachers./ His room is bright but mine is gloomy (暗沉沉的)./ He can not only repair radios but also fix them./ It is a glorious (光荣的)yet difficult task./ Strike while iron is hot.

(二)从属连词

从属连词是指在复合句中引导从句的连结词。常见的从属连词有:

引导时间状语从句的:after, before, when, as, while, since, until, till, as soon as

引导原因状语从句的:because, since, as

引导让步状语从句的:although, though, no matter (无论),even if (though)

引导条件状语从句的:if, uni ess, once, so (as) long as

引导结果状语从句的:so …that …,such …that …

引导目的状语从句的:so that …,in order that …

引导比较状语从句的:as … as …,not so (as)… as …, …than …

引导方式状语从句的:as if …(就像…一样),as(尽管)

引导主语,宾语或表语从句的连词主要有:that, whether, if三个。其中that和whether间或还可以引起同位从

句和状语从句。

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Module 7 Unit 19 语法学习—主语从句 Aim: To learn and practise using the Subject Clause. Teaching Methods: 1. Inductive methods. 2. Lead in the rules and apply the rules, then do lots of exercises for consolidation. Teaching difficult points: How to use suitable conjunctions. Teaching Procedures: Step 1Revision 1Transformation: 1) “I failed the driving test,” he told me. 2) “When shall we meet again?” I asked him. 3)“Will he come?” I doubted. 4) It depends on whether he will come or not. 2Conclusion Step 2Grammar study 1. See ang talk : A speech by Martin Luther King “I have a dream, my four little children one day live in a nation, where they will not be judged by the color of their skin, but by the content of their character. I have a dream…….” Then make up some sentences according to the structure “That …… is Martin Luther King’s dream.” 2.Have a competition between the two classes: make up sentences according to these sentence structures as many as you can. 1)That … is my dream. 2)Whether … is not clear. 3)Wh- … is not clear. 3.Give the definition of the Subject Clause: A noun clause that acts as the subject of the sentence. 4.Do some exercises and give the first summary of the Subject Clause: Multiple Choice 1). Where ______ going is none of my business. A. is she B. she is C. she will D. will she 2). What ______ is still waiting to see. A. did he do B. he did C. will he do D. he will do 3). That ______ made us surprised. A. he suddenly fell ill B. suddenly he falls ill C. suddenly did he fall ill D. will he suddenly fall ill 4). Whether ______ or not doesn’t matter so much. A. does she like B. she likes C. will she like D. she does like 5). _____ lies east of China is known to us all.

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