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it作形式主、賓語的用法解析
IT這個詞中英語中最漸漸不過了，當it作為形式主語和形式賓語出現時，你會用法嗎?以下是小編整理的it作形式主語和形式賓語的用法解析，希望對你有所幫助。
It 用作形式主語當不定式(短語)、動名詞(短語)或從句在某個句子中作主語時，為保持句子結構前后平衡，避免頭重腳輕，因此常用it作形式主語置于句首，而將真正的主語放在句尾。此時it只起先行引導作用 ...
一、 It 用作形式主語
當不定式(短語)、動名詞(短語)或從句在某個句子中作主語時，為保持句子結構前后平衡，避免頭重腳輕，因此常用it作形式主語置于句首，而將真正的主語放在句尾。此時it只起先行引導作用，本身無詞義。
e.g. It is wrong to tell a lie.
(說謊是錯誤的。) 〔It為to tell a lie的形式主語〕
It is no use arguing about it.
(爭吵是沒用的。) 〔It為arguing about it的形式主語〕
It is uncertain who will come.
(誰要來還不確定。) 〔It為who will come的形式主語〕
It 作形式主語的常見句型：
① It + be + 形容詞 + to do sth. / doing / that ….
e.g. It is very important to learn a foreign language.
(學一門外語非常重要。)
It is useless crying over the spilt milk.
(覆水難收。)
It was really surprising that she married a man like that.
(她嫁給那樣的男士真讓人驚訝。)
② It + be +名詞詞組 + doing / that ….
e.g. It is no good telling lies.
(撒謊沒好處。)
It is a pity that you didn’t go to see the film yesterday.
(你昨天沒看成那部電影真遺憾。)
It is a truth that there would be no new China without the Communist Party.
(沒有共產黨就沒有新中國，這是毋庸質疑的。)
③ It + be + 過去分詞 + that ….
該句型常見動詞有：say, hope, think, suppose, expect, report, know, believe, decide, etc.
e.g. It is said that they have invented a new type of computer.
(據說他們發明了一種新型電腦。)
It is believed that China will become one of the strongest countries in the world.
(大家都相信中國將會步入世界強國之列。)
It was reported that more than 170 thousand people died in the 2004 tsunami.
(據報道，至少有十七萬人在2004年那場海嘯中喪生。)
④ It + seems / appears / happens等不及物動詞 + that ….
e.g. It seems that he enjoys pop songs very much.
(似乎他非常喜歡流行歌曲。)
It appears that Tom might change his mind.
(看來湯姆可能會改變主意。)
⑤ 若句子是疑問形式，就只能用it作形式主語。
e.g. Does it matter much that they won’t come tomorrow?
(他們明天不來很重要嗎?)
Is it true that he will go abroad next week?
(他下周出國是真的嗎?)
⑥ It + takes + (sb.) + some time + to do sth.
這是一個表示“(某人)花多少時間干某事”的句型，其中it是形式主語，代替后面的不定式(to do sth.)，句型中的sb.也可以省略。
e.g. It took me some time to read the reading materials.
(我花了一些時間才讀完那段閱讀材料。)
It took him fourteen hours to go to New Zealand from Shanghai by plane.
(從上海乘飛機去新西蘭花了他14小時。)
How long does it take you to go to Beijing from Qingdao by train?
(從青島坐火車到北京一般要花多久時間?)
I am not sure, but I think it takes at least nine hours to get there.
(我不能肯定，但估計至少要九個鐘頭才能到那兒。)
二、It 用作形式賓語
當不定式(短語)、動名詞(短語)或從句在某個句子中作賓語時，為保持句子結構平衡，避免句式結構的混亂，常用it作形式賓語，而將真正的賓語放在句尾。此時it仍只起先行引導作用，本身無詞義。
下列四種情況須用it 作形式賓語：
① 當不定式(短語)、動名詞(短語)或從句在復合賓語結構中作某些動詞的賓語時(如think, make, find, consider, feel, suppose等);
e.g. They found it pleasant that they worked with us Chinese.
(他們發現與我們中國人一起工作很愉快。)
I don’t feel it difficult to understand the Special English.
(我覺得理解英語特別節目并不難。)
He makes it a rule never to borrow money.
(他立志決不向別人借錢。)
I think it no need talking about it with them.
(我認為沒必要跟他們談。)
② 某些表示“喜、怒、哀、樂”的動詞，如like, enjoy, love, hate等，往往不能直接接賓語從句;
e.g. I don’t like it that he’s so lazy.
(我不喜歡他那么懶惰。)
I hate it when my mother asks me to eat eggs.
(我討厭母親要我吃雞蛋。)
③ that引導的賓語從句不能直接作介詞的賓語;
e.g. You may depend on it that we shall always help you.
(盡管放心，我們會隨時幫你的。)
Would you see to it that she gets home early?
(你負責保證她早到家，好嗎?)
He insisted on it that he was innocent.
(他堅持說自己是無辜的。)
④ 由及物動詞與介詞組成的固定搭配中，賓語從句若作該動詞的賓語時，須借用it。
e.g. I leave it to your own judgement whether you should do it.
(我讓你自己判斷這事是否該做。)
We owe it to you that there wasn’t a serious accident.
(多虧了你才沒有發生嚴重事故。)
試比較下列高考題，選出最佳答案：
1. Is _______ necessary to complete the design before National Day? (MET89)
A. this B. that C. it D. he
2. I don’t think _______ possible to master a foreign language without much memory work.. (MET90)
A. this B. that C. its D. it
3. Does _______ matter if he can’t finish the job on time? (MET91)
A. this B. that C. he D. it
4. Tom’s mother kept telling him that he should work harder, but _______ didn’t help. (MET93)
A. he B. which C. she D. it
5. _______ is a fact that English is being accepted as an international language. (MET95)
A. There B. This C. That D. It
6. I hate _______ when people talk with their mouths full. (MET98)
A. it B. that C. these D. them
7. Don98)
A. take as granted B. take this for granted
C. take that for granted D. take it for granted
8. I like _______ in the autumn when the weather is clear and bright. (MET2004)
A. this B. that C. it D. one
模擬練習題：
1. _______ happened _______ he is unfit for the office.
A. This; that B. That; that C. It; that D. He; that
2. We took _______ for granted that they would accept our advice.
A. that B. this C. it D. them
3. _______ that the scientist will give us a talk next month?
A. Is true B. Is it true C. It’s true D. It’s truly
4. _______ doesn’t matter much _______ dress you are going to wear.
A. This; that B. That; who C. It; which D. It; who
5. _______ is going to America for further study.
A. He is said that B. People said that he
C. It was said he D. It is said that he
6. They are good friends. _______ is no wonder that they know each other so well.
A. This B. That C. There D. It
7. Is _______ possible to fly to the moon in a spaceship?
A. this B. there C. that D. it
8. She liked _______ when he kissed her.
A. him B. that C. one D. it
9. _______ will do you good to do some exercise every morning.
A. It B. There C. Those D. One
10. We think _______ our duty to pay taxes to our government.
A. that B. this C. its D. it
Key: 高考真題: 1-8 CDDDDADC
模擬練習題: 1-5 CCBCD 6-10 DDDAD
附：英語練習題
一、聽讀音，給下列單詞標號(10分)
1、goung() strong() funny()
2、Friday() Sunday() Tuesday()
3、pork() fish() potato()
4、under() in() behind()
5、road() flower() river()
二、找出與其三個單詞發音不同的一個，將序號寫在題前括號里。(10分)
()1、A、bread B、peachC、seat D、tea
()2、A、grow B、town C、yellow D、window
()3、A、cat B、bag C、face D、hat
()4、A、big B、pig C、sit D、kite
()5、A、short B、horse C、shirt D、ball
三、請為下列單詞選擇正確的選項，將其序號填入括號里。(5分)
()1、English A、數學 B、語文 C、英語
()2、Monday A、星期二 B、星期四 C、星期五
()3、motton A、羊肉 B、豬肉 C、雞肉
()4、curtain A、鏡子 B、窗簾 C、空調
()5、village A、房子 B、河流 C、鄉村
四、單詞歸類。(15分)
young , Monday , pork , chicken , tree , Sunday , thin , mutton , beef , Tuesday , strong , flower , Friday , lake , river .
young
Monday
pork
river
五、選詞填空。(30分)
()1、She my mother .
A、am B、are C、is
()2、Let clean the door .
A、my B、I C、me
()3、My father is teacher .
A、you B、your C、I
()4、This is ruder .
A、he B、him C、his
()5、Is she young?
A、Yes , she isn’t .B、Yes , she is . C、They have art
()6、What do you have on Mondays ?
A、I have art . B、You have art . C、They have art .
()7、What do you have for lunch ?
A、I have beans . B、I have English . C、I have a book .
()8、Can you do housework ?
A、Yes , I do . B、Yes , I am . C、Yes , I can .
()9、There is a fish .the river .
A、in B、behind C、on
()10、We have P.E and artFridays .
A、at B、on C、in
六、從B欄里找出A欄問句的相應答語，將其序號填入括號里。(15分)
A B
()1、What do you have for dinner ? A、It’s Monday .
()2、What’s your teacher like ? B、She can cook the meals .
()3、What can your mother do ? C、I have eggplant and tomatoes .
()4、Is there a ball under the chair ? D、Yes , there is .
()5、What day is it taday ? F、He’s very strong .
七、閱讀理解，判斷題后句子正(T)誤(F)。(15分)
I have my own room now . It’s small and nice .
There is a mirror , a bed and a big closet .
There are green curtains and two end tables .
I put many story—books on my two end tables .
I often read them . I love my new room very much .
1、My new room is big . ()
2、There is a mirror in my new room . ()
3、There is one end table in my new room . ()
4、There are many story—books in my new room . ()
5、I don’t love my new room . ()
參考答案
一、1、young2、Sunday3、potato4、under5、river
二、1、(A)2、(B)3、(C)4、(D)5、(C)
三、1、(C)2、(B)3、(A)4、(B)5、(C)
四、young , thin , strong
Monday , Sunday , Tuesday , Friday
pork , chicken , mutton , beef
river , tree , flower , lake
五、1、(C)2、(C)3、(B)4、(C)5、(B)
6、(A)7、(A)8、(C)9、(A)10、(B)
六、1、(C)2、(E)3、(B)4、(D)5、(A)
七、1、(F)2、(T)3、(F)4、(T)5、(F)
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