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一、以形式主語it引導的句型。
句型1.
It (so) happened（chanced） that +clause. = sb. happened /chanced to do sth. =sb.did sth.
by chance. 如：
It happened that he was out when I got there. 當我到那兒時，碰巧他不在。＝He happened to be
out when I got there.= It chanced that he was out when I got there= He was out by chance
when I got there.
句型2.
It seems that sb. do/ be doing/ have done/ had done= Sb. seems to do/ be doing/ have
done/to be done/to have been done（還有動詞appear等可這樣使用）如:
It seemed that he had been to Beijing before.他好象以前去過北京。＝He seemed to have been
to Beijing before.
句型3.
It is / was＋被強調的部分＋that(who)+剩余的部分.如：
It wasn't until he came back that I went to bed.直到他回來我才睡覺。(一定要注意被強調句型中
的謂語動詞否定的轉移)。 It was because he was ill that he didn't come to school today.只因
為他有病了今天沒有來上學。（只能用because而不能用for, as 或since）
It is I who am a student. 我確實是個學生。（句中am不能用are來代替。）
句型4.
It is high time (time/ about time)+ (that) 主語＋should do / did+其它。（從句中的謂語動詞用
的是虛擬語氣。）如:
It is high time that we should go / went home.我們該回家了。
句型5.
It is / was said ( reported…)＋that+從句. 如：
It was said that he had read this novel.據說他讀過這篇小說。＝He was said to have read this
novel.
句型6.
It is impossible / necessary/ strange…that clause.(從句中的謂語用should＋do / should have
done，其形式是虛擬語氣。)如：
It is strange that he should have failed in this exam.真奇怪，他這次考試沒有及格。
句型7.
It is + a pity/ a shame…that clause.(注意從句中的謂語動詞用should do或should have done的形
式，但should可以省略。)如：
He didn't come back until the film ended. It was a pity that he should have missed this
film. 他直到電影結束才回來。他沒有看到這部電影真可惜。
句型8.
It is suggested / ordered/ commanded /…that +clause.(從句的謂語動詞用should do, 但should可
以省略。)如：
It is suggested that the meeting should be put off.有人建議推遲會議。
句型9.
It is/was＋表示地點的名詞＋where+從句。（注意本句不是強調句型，而是以where引導的定語從句。
）如：
It was this house where I was born.請比較：It was in this house that I was born.(后一句是強
調句型。)
句型10.
It is / was +表示時間的名詞＋when+從句。（注意本句型也不是強調句型，而是以when引導的定語從
句。）如：
It was 1999 when he came back from the United States. 請比較：It was in 1999 that he came
back from the United States.
句型11.
It is well-known that＋從句。如：
It is well-known that she is a learned woman.眾所周知，她是個知識淵博的婦女。
句型12.
It is +段時間＋since+主語＋did. 請比較：
It was +段時間＋since+主語＋had done. 如：
It is five years since he left here.他已經離開這兒五年了。
It was five years since he left here.（同上）
注意下列句型的翻譯:It is five years since he lived here.他從這兒搬走已經有五年了。
句型13.
It +謂語＋段時間＋before+主語＋謂語.（ before引導的是時間狀語從句。） 如：
It wasn't long before the people in that country rose up.沒有多久那個國家的人民就起義了。
It will be three hours before he comes back.三個小時之后他才能回來。
句型14.
It is +形容詞(possible, impossible, necessary等) ＋for+ sb.+ to do. 如：
It is impossible for me to finish this work before tomorrow.我明天之前完成此工作是不可能的
。
句型15.
It is +（心理品質方面的）形容詞＋of + sb. +to do.= 主語+ be +形容詞＋to do.(常用的形容詞有
：kind, stupid; foolish, good, wise等。)如：
It is kind of you to help me.＝You are kind to help me.你真好給我提供了幫助。
二、定語從句：
句型16.
由as引導的非限定性的定語從句。如：
As we have known, he is a most good student.眾所周知，他是個很好的學生。請比較：It is well
-known that he is a most good student.（前一個是定語從句，而后者是個主語從句。）
句型17.
由which引導的非限定性的定語從句。如：
He is a professor, which I have been looking forward to becoming. 他是個教授，那是我一直盼
望的職業。（因為先行詞professor是表示職業的名詞，因此引導詞用which，而不用who。
句型18.
由where, when引導的定語從句（其中包括限定性的或非限定性的。）如：
This is the house where I used to come.請比較：This is the house which / that I used to
come to.
This is the day when I joined the Party.請比較：This is the day which / that I joined the
Party on.
（說明：關于that與which之間的區別，請看關系代詞that和which的區別。）
三、讓步狀語從句
句型19.
No matter what / which / who / where / when / whose＋從句，＋主句.(注意從句中的時態一般情況
下用一般現在時態。)如：
No matter what you do, you must do it well.請比較：Whatever you do, you must do it well. 無
論你做什么，一定要做好。
No matter where you go, please let me know.請比較：Wherever you go, please let me know.你無
論去哪兒，請通知我。
（說明：這兩種句型形式不同，而意義完全相同。）
（注意：I will tell whoever would like to read it. 句中的whoever不能用whomever來代替。因為
它即作動詞tell的賓語，又作后面從句的主語。）
四、條件狀語從句
句型20.
When / So long as / As long as / Once +從句，＋主句。（從句也可以放在主句之后。）如：
As long as you give me any money, I will let you go.只要你給我一些錢，我就讓你走。
Once you have begun to learn English, you should learn it well. 一旦你開始學習英語，你應該
把它學好。
句型21.
主句＋on condition that+從句.如：
I will go with you on condition that you give me a sum of money.我和你一起去的條件是你給我
一些錢。
句型22.
主句＋unless+從句.(注意：由于unless本身是否定詞，所引導的從句的謂語動詞用肯定而不用否定。)
如：
I will go there tomorrow unless it rains.我明天去那兒除非下雨。
句型23.
祈使句，＋and/ and then+主句。（注意：祈使句也可用一個名詞短語。）如：
Use your head, and you will find a good idea.動腦筋想一想，你就會想出一個好主意。
Another word, and I will beat you.你再說一句，我就揍你。
句型24.
If +necessary / impossible/ important等，＋主句.(注意：if與形容詞之間的it is被省略。)如：
If necessary, I will do it. 如果有必要的話，我來做此事。
五、原因狀語從句
句型25.
主句＋in case+從句.（in case表示以免）如：
I will take my raincoat in case it rains.我要把雨衣帶上以免下雨。
句型26.
主句＋due to / because of / owning to / + the fact that +從句。如：
He did not come to school because of the fact that he was ill.由于他有病了，所以沒有來上學
。
六、時間狀語從句
句型27.
When / While / As +從句，＋主句.如：
When I was in the country, I used to carry some water for you.當我在農村時，我常常給你打水
。
句型28.
主句＋after / before +從句. 如：
They hadn't been married four months before they were devoiced.他們結婚不到四個月就離婚了。
We went home after we had finished the work.我們做完此工作就回家了。
句型29.
主語＋肯定謂語＋until＋從句.請比較：主語＋否定謂語＋until+從句.如：
I worked until he came back.我一直工作到他回來。
I didn't worked until he came back.他回來我才開始工作。
句型30.
As soon as / Immediately / Directly / Instantly / The moment / The instant / The minute +從
句，＋主句. 如：
My father went out immediately I got home.我一到家，我父親就出去了。
句型31.
No sooner +had + 主語＋done…than +主語＋did. 請比較： 主語＋had + no sooner +done…than +
主語＋did. 如：
No sooner had I got to Beijing than I called you.我一到北京就給你打電話了。請比較：I had no
sooner got to Beijing than I called you.
句型32.
Hardly/Scarcely/ Rarely +had +主語＋done…when / before + 主語＋did.請比較：主語＋had
+hardly/Scarcely/ Rarely + done…when / before +主語＋did.
Hardly had she had supper when she went out. 她一吃完晚飯就出去了。請
比較： She had hardly had supper when she went out.
句型33.
By the time+從句，＋主句.（注意時態的變化。）如：
By the time you came back, I had finished this book.到你回來時，我已經寫完了這本書。
By the time you come back, I will have finished this book.到你回來時，我將寫完這本書了。
句型34.
each / every time +從句，＋主句. (這時相當于whenever 或no matter when引導的從句。從句也可放
在主句之后。)如：
Each time he comes to Harbin, he always drops in on me.每當他來哈爾濱，總是順便來看看我。
七、地點狀語從句
句型35.
Where +從句，＋主句. 如：
Where there is no rain, farming is difficult or impossible.哪里沒有雨水，種莊稼是很難的或者
是不可能的。
句型36、Anywhere / Wherever+從句，＋主句. 如：
Anywhere I go, my wife goes too.無論我去哪兒，我的妻子也去哪兒。請比較：
I will go wherever you suggest.你建議我去哪兒，我就去哪兒。
八、目的狀語從句
句型37.
主句＋in order that / so that +從句.如：
I got up early in order that I could catch the first bus.我起得很早，以便能趕上早班車。
句型38.
主句＋for +sb. +to do.（注意動詞不定式復合結構在這兒作目的狀語。）如：
He came here for me to work out this problem.他來這兒叫我幫他解出這道難題。
九、結果狀語從句
句型39.
主句＋so that+從句. 如：
It was very cold, so that the river froze.天氣很泠，因此河水結冰了。
句型40.
So+形容詞/ 副詞＋特定動詞(助動詞或系動詞)＋主語＋…＋that+從句.
So interesting is this book that I would like to read it again.這本書那么有趣，我想再讀一遍。
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