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“It”典型句型例釋
“It”典型句型例釋孔祥發(fā)王愛萍 11月7日
“It”句型一直是近幾年NMET命題的熱點(diǎn),同時也是日常教與學(xué)的重點(diǎn)和難點(diǎn)。在教材和練習(xí)中頻頻出現(xiàn),由于其繁雜多變,尤其是一些近似句型的辨析,常使同學(xué)們望而卻步。筆者在平時的教學(xué)中,注意收集這樣的句子,現(xiàn)將這些句子分類整理并作一簡析,希望能對同學(xué)們的學(xué)習(xí)有所幫助。
1.①It is 3 years ________ he joined the army.
②It will be 3 years ________ we meet again.
③Tom told me that it was 3 years ________ he had left school.?
A.before
B.after?
C.since
D.when
析:①C,②A,③C。做這類題目應(yīng)從時態(tài)入手。句①是一個主從復(fù)合句,該句型常是:It+is(has been)+some time+since sb.did sth.主句用一般現(xiàn)在時或現(xiàn)在完成時,而從句則用一般過去時。句②為It will be (was)+some time before sb.does(did) sth.“多久某人干…”。主句要用一般將來時或一般過去時,before引導(dǎo)的從句則用對應(yīng)的 一般現(xiàn)在時或一般過去時。又如:
It wasn’t long before we met again.
不久我們又見面了。
句③與句①是同一句型,只不過該句型出現(xiàn)在told引導(dǎo)的賓語從句之中了,故用了was和 had left 的形式。?
2.①________ is well?known to us all that the earth is round.
②________ is well?known to us all,the earth is round.
A.That
B.As?
C.It
D.Which?
析:①C,②B。句①中it是形式主語,真正的主語是從句“that the earth is round ”。句②中as引導(dǎo)一非限制性定語從句,代替后面整句內(nèi)容,置于句首。
3.①Was it the house ________ Abraham Lincoln was born?
②Was it in the house ________ Abraham Lincoln was born?
A.that
B.where
C.which
D.both A and B
析:①B,②A。句①的先行詞是the house,后面為一個定語從句,所以可填where或in which。句②為強(qiáng)調(diào)句型。判斷一個句子是否是強(qiáng)調(diào)句型,先把it is…that…這一結(jié)構(gòu)拋開,看其余部分能否構(gòu)成一個完整的句子。那么,句①還原為Abraham Lincoln was born the house.the house之前缺少介詞in,故不為強(qiáng)調(diào)句了。句②則相符,故選that。
4.①It’s very kind ________ you to help us.
②It’s very important ________ us to keep the balance of nature.
A.for
B.of
C.to
D.with
析:①B,②A。在句①中,常見的形容詞有kind,good,nice,foolish,stupid,wrong,clever 等。他們用來修飾人,表示人物的品質(zhì)或性格特征。句①可變?yōu)閅ou’re very kind to help us.所以選B。而句②則不可,因其形容詞只能修飾后面的不定式,故用for。?
5.①________ no wonder that he has passed the exam.
[1] [2] [3]
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