2011年自考英語二復(fù)習(xí)資料匯總(二)
補(bǔ)充語法知識:名詞性從句$lesson$
名詞性從句是由if, whether, that 和各種疑問詞充當(dāng)連接詞所引導(dǎo)的從句,其功同名詞一樣。
一.主語從句
主語從句是在復(fù)合句中充當(dāng)主語的從句,通常放在主句謂語動詞之前或由形式主語it代替,而本身放在句子末尾。
1. It 作形式主語和it引導(dǎo)強(qiáng)調(diào)句的比較轉(zhuǎn)自環(huán) 球 網(wǎng) 校edu24ol.com
It 作形式主語代替主語從句,主要是為了平衡句子結(jié)構(gòu),主語從句的連接詞沒有變化。而it引導(dǎo)的強(qiáng)調(diào)句則是對句子某一部分進(jìn)行強(qiáng)調(diào),無論強(qiáng)調(diào)的是什么成分,都可用連詞that。被強(qiáng)調(diào)部分指人是也可用who/whom。例如:
1).It is a pity that you didn't go to see the film.
2).It doesn't interest me whether you succeed or not.
3).It is in the morning that the murder took place.
4).It is John that broke the window.
必背
用形式主語it引導(dǎo)的主語從句相當(dāng)多,有些已形成固定的語法和譯法。常見的有:
It is said that... 據(jù)說…… It is reported that... 據(jù)報導(dǎo)……
It is well known that... 眾所周知…… It is announced that... 據(jù)宣布……
It is believed that... 人們相信…… It is thought that... 人們認(rèn)為……
It is understood that... 自不待言…… It must be pointed out that... 必須指出……
It must be admitted that... 必須承認(rèn)……
2.主語從句的語序
主語從句要求使用陳述句語序,而非一般疑問句語序。如:
What surprised me most was that the little girl could play the violin so well.
使我感到驚訝的是這個小女孩的小提琴拉得太好了。
How he was successful is still a puzzle.
他是如何成功的仍然是個謎。轉(zhuǎn)自環(huán) 球 網(wǎng) 校edu24ol.com
3. 連接詞的選用
(1)that和what的選用
that和what都可引導(dǎo)主語從句。what除起連接作用外,還在名詞性從句中充當(dāng)某些成分,可作從句的主語、賓語或表語。而that在名詞性從句中不充當(dāng)任何成分,無詞義,只起連接詞作用。如:
What he wants is a book. 他想要的是一本書。
That light travels in straight lines is known to all. 眾所周知,光線沿直線運行。
(2)if和whether的選用
引導(dǎo)主語從句,不能用if,只能用whether。如:
Whether we will hold a party in the open air tomorrow depends on the weather.
我們明天是否在戶外開晚會要看天氣而定。
(3)其它連接代詞和副詞的選用
根據(jù)主語從句的具體意義,正確的選擇who, which, when, where, why, how等連接詞,這些連接詞既有疑問含義,又起連接作用,同時在從句中充當(dāng)各種成分。如:
When we shall hold our sports meet is not decided. 我們何時舉行運動會還沒有決定。
Who broke the glass yesterday is not clear. 還不清楚昨天誰打破了玻璃。
Which car you will choose to buy makes no difference. 你決定買哪一輛車都不會有任何區(qū)別。
二.賓語從句
在復(fù)合句中用作賓語的從句叫做賓語從句。
1. 賓語從句常由that引導(dǎo),在口語中常省略。當(dāng)主句中謂語動詞是現(xiàn)在或?qū)頃r態(tài)時,從句中謂語動詞不受主句中謂語動詞時態(tài)的影響,按需要可以使用任何時態(tài)。如:
She says (that) she works from Monday to Friday. 從句是一般現(xiàn)在時
She says (that) she will leave a message on his desk. 從句是一般將來時
當(dāng)主句謂語是過去時態(tài),從句中的時態(tài)一般用表示過去的某種時態(tài)。如:
He said there were no classes yesterday afternoon. 從句是一般過去時
He said (that) he was going to take care of the baby. 從句是過去將來時
He said (that) they were having a meeting at that time. 從句是過去進(jìn)行時
當(dāng)主句謂語是過去時態(tài),而賓語從句敘述某一客觀真理(事實)時,賓語從句的時態(tài)則用一般現(xiàn)在時。如:
The teacher told us(that) nothing is difficult if you put your heart into it.
老師告訴我們世上無難事只怕有心人。
He said that light travels much faster than sound. 他說光傳播比聲音傳播快得多。
2. 否定轉(zhuǎn)移
1) 將think, believe, suppose, expect, fancy, imagine等動詞后面賓語從句的否定詞轉(zhuǎn)移到主句中,即主句的謂語動詞用否定式,而從句的謂語動詞用肯定式。
I don't think I know you. 我想我并不認(rèn)識你。
I don' t believe he will come. 我相信他不回來。
注意:若謂語動詞為hope,賓語從句中的否定詞不能轉(zhuǎn)移。
I hope you weren't ill. 我想你沒有生病吧。
2) 將seem, appear 等后的從句的否定轉(zhuǎn)移到前面。
It doesn't seem that they know where to go.看來他們不知道往哪去。
It doesn't appear that we'll have a sunny day tomorrow. 看來我們明天不會碰上好天氣。
三.表語從句
表語從句在復(fù)合句中作表語的名詞性從句,放在系動詞之后,一般結(jié)構(gòu)是“主語+連系動詞+表語從句”。可以接表語從句的連系動詞有be, look, remain, seem等。引導(dǎo)表語從句的that??墒÷?。另外,常用的還有the reason is that… 和It is because 等結(jié)構(gòu)。例如:
1) The question is whether we can make good preparation in such a short time.
2) This is why we can't get the support of the people.
3) But the fact remains that we are behind the other classes.
4) The reason he is late for school is that he missed the early bus.
四. 同位語從句
同位語從句就是在復(fù)合句中作名詞的同位語的名詞性從句。
1.同位語從句的功能
同位語從句對于名詞進(jìn)一步解釋,說明名詞的具體內(nèi)容,一般由that引導(dǎo),例如:
1) The king's decision that the prisoner would be set free surprised all the people.
2) The order that all the soldiers should stay still is given by the general.
2.同位語從句與定語從句的區(qū)別
(1) 定語從句中的that既代替先行詞,同時以在從句中作某個成分(主語或賓語),而同位語從句中的that是連詞,只起連接主句與從句的作用,不充當(dāng)句中任何成分。
(2) 定語從句是形容詞性的,其功能是修飾先行詞,對先行詞加以限定,描述定的性質(zhì)或特征;同位語從句是名詞性的,其功能是對名詞進(jìn)行補(bǔ)充說明。例如:
1) The news that he told me is that Tom would go abroad next year.(他告訴我的消息是湯姆明年將出國。)(第一個that引導(dǎo)的從句是定語從句,that在從句中作賓語)
2)The news that Tom would go abroad is told by him.(湯姆將出國的消息是他講的。)(同位語從句,that在句中不作任何成分)
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