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名词从句


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名词性从句的种类

? 1.When we will start is not clear. 主语从句 ? 2.Mrs Black won’t believe that her son has become a thief. 宾语从句 ? 3. My idea is that we should do it right now. 表语从句 ? 4.I had no idea that you were her friend. 同位语从句

1. 名词性从句考点
1、引导词 that 与 what;that 与 whether;
if 与 whether;what 与 how等的区别; 2、名词性从句的时态和语序问题;

3、名词性从句的语气问题;
4、同位语从句与定语从句的比较区别。

1、名词性从句的引导词问题
问题1:
Great changes have taken place in that school. It is no longer ______ A it was 20 years ago, _____ it was so poorly equipped. (05安徽卷) A. what; when C. what; which B. that; which D. which; that

前句考查的是 that 与 what 的区别。that 在名词性从句中 不充当任何成分,而 what 可充当名词性的成分。前句的

表语从句中还缺少表语,故只能用 what。后句是定语从
句,修饰 20 years ago,所以须用 when。

问题2: 1) What the doctors really doubt is _____my mother will recover C from the serious disease soon. (上海2001) A. when B. if C. whether D. why 2) Elephants have their own way to tell the shape of an object and _______it is rough or smooth. (05天津卷) B A. 不填 B. whether C. how D. what 在名词性从句中表示“是否”这一概念时,连词 if 一 般只能引导宾语从句,而题1是表语从句,故不能选B;注 意doubt 的用法,如果是肯定句,用 whether,如果是否定 句,用 that。宾语从句中,以下情况只用 whether 不用 if: ① 与 or 连用时;② 后接不定式短语时;③ 在 decide ; be sure 等动词后。

问题3:
______ C leaves the room last ought to turn off the lights. (MET1988) A. Anyone B. The person C. Whoever D. Who

whoever 引导名词性从句时表示“无论哪一个”,相 当于 anyone who;who 引导名词性从句时表示带有疑问 的“谁”。根据该题的意思不难作出选择。选项A, B后都 缺少了 who,而引导定语从句的 who 是不能省略的。 同时还需要注意 whoever 与 no matter who; whatever 与 no matter what 等的区别。wh-ever 既可引导 名词性从句也可引导状语从句,而 no matter wh- 只能引 导状语从句。

问题4:

1) I was surprised by her words, which made me recognize ___ A
silly mistakes I had made. (05湖南卷) A. what B. that C. how D. which

2) Parents are taught to understand ______ B important education
is to their children’s future. (04广东) A. that B. how C. such D. so what 与 how 引导感叹句时,what 后加名词,how 后 加形容词和副词。其结构为:What + (a) + (adj.) + n. 但要 注意在 what 后不能加表示数量的 many; much; few; little 等 词。 How + adj. + (a )+ (n.),要注意的是 how 后的名词只 能为单数名词。题1中是复数名词,只能用 what;题2中的 正常语序是 …education is important to their …,所以选B。

2、名词性从句中的时态问题

问题1:
1、Scientists think that the continents _____ C always where they _____ today. (05北京卷) A. aren’t; are B. aren’t; were C. weren’t; are D. weren’t; were 2、— Hurry up! Alice and Sue are waiting for you at the school gate. — Oh! I thought they ______ D without me. (05江西卷) A.went B.are going C.have gone D.had gone 当主句的动词为现在和将来时态时,名词性从句中的动作根 据所发生的时间来定,可以有各种时态;当主句的动词为过 去时态时,从句中的动作一般都要使用相应的过去时,除非 表示客观真理。

3、名词性从句中的语序问题

问题1:
D 1、Someone is ringing the doorbell. Go and see ____. (全国2000) A. who is he B. who he is C. who is it D. who it is 2、 The photographs will show you ____ B .(MET1989) A. what does our village look like B. what our village looks like C. how does our village look like D. how our village looks like
名词性从句中都用陈述语序,不用倒装语序。题1中的干 扰项是B,对想要知道的人提问或应答都用 it 而不用人称 代词 he, I , you 等。题2只要注意是介词宾语就行了。

4. 名词性从句中的虚拟语气
A、宾语从句中的虚拟语气
在动词 suggest, order, demand, request, desire, insist, require,
decide, determine, advise, recommend, deserve (值得提及) 后需 用 should 型的虚拟语气。

考题点击: B before 4 o’clock. 1. The teacher demanded that the work _____
A. finished B. be finished C. should finish D. finish 2. --- What did the doctor say about your mother’s illness? --- He suggested that she _____ C an operation at once. A. must haveB. had C. have D. had had

B、主语从句中的虚拟语气
基本句型:
a. It is suggested, ordered, proposed, required, demanded, requested, insisted; + (should) do b. It is important, necessary, natural, desirable, strange, advisable, imperative… c. It is a pity, a shame, no wonder

考题点击:
A. takes

D 1. Is it necessary that he _____ the examination?
B. has to take C. must take D. take

B you this. 2. It is strange that he _____
A. would tell B. should tell C. had told D. has told

C、表语从句和同位语从句中的虚拟语气
在 suggestion, proposal, idea, plan, order, advice 等名词后面

的表语从句、同位语从句中要用虚拟语气,即(should)+动
词原形。 My idea is that we (should) get more people to attend the conference. I make a proposal that we (should) hold a meeting next week.

考题点击: A once more sounds reasonable. 1. His suggestion that you _____
A. try B. tries C. must try D. can try

5、 it 作形式主语或形式宾语的问题

问题1: 1、_____ D is a fact that English is being accepted as an
international language. (NMET1995) A. There B. This C. That D. It 2、 I like______ C in the autumn when the weather is clear and bright. (04全国I) A this B that C it D one 3、The chairman thought ______ B necessary to invite Professor Smith to speak at the meeting. (05全国卷1) A.that B.it C.this D.him 主语、宾语从句常用先行词 it 代替,而将其置于句末。但 由 whatever, whoever 引导的主语从句一般不用 it 代替。

同位语从句和定语从句的区别 同位语从句一般跟在名词 fact, news, promise, truth, belief, thought, idea, answer, doubt, hope, law, knowledge,opinion, suggestion information, plan, 后面 , 用以说明或解释前面的名词的具 体内容.
The news that our team has won the match is true. His delay is due to the fact that the car broke down halfway.

注: 1. that 引导同位语从句与that 引导定语从 句的区别: 引导同位语从句的 that 无实际意义 , 不作从句的任何成分, 而引导定语从句的that 从 句的某个成分.

He told me the news that our team won the match. He told me the news that was very exciting. We are interested in the news that some foreigners would visit our school. We are interested in the news that he told us.


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