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1、 The use of “it” Read and analyze the following sentences.n What is this? It is a cellphone.n What is that? It is his dictionary.n Whose book is this? It is Mr Chengs.n Where is your English book? It is here.n My cat is missing, I cant find it anywhere.Question: What does “it” in these sentences ref
2、er to?Draw a conclusion: it -詞性? _ 可以用作人稱代詞，代指_還可以替代指示代詞_ 或_. Pron.前文提到的事物 .that.this. Read and analyze the following sentences.n It is Friday today.n It was very cold last Monday. n It is about 8:30 now.n It is about 25km from Luotian to Xishui.n It lies in the south of Fengshan Town.n It is 40C !
3、You got a high fever! n Conclusion :it 可以用作非人稱代詞，表示_,_,_,_,_,_等。Date weathertime distanceplaceTemperature 日期天氣時間距離地點溫度 3. It is likely that he will succeed.2. It is no good smoking.真正主語真正主語形式主語形式主語真正主語形式主語= _ is bad.To smoke= _ is no good.Smoking= _is likely.That he will succeed1. It is bad to smoke
4、.Read and analyze the following sentences. I think it no use arguing with him.I found it very interesting to study English.He made it clear that he was not interested in this subject.n分析：it是 _.形式賓語形式賓語真正賓語形式賓語真正賓語形式賓語真正賓語 it做形式主語（1）It + be + 名詞 + that從句 It is a pity/a fact/a wonder/no wonder that （2
5、）It + be + 形容詞 + that從句 It is important/likely/possible/right that （3）It + 不及物動詞 + that 從句 It seems/happens/appears that（4） It + be + 動詞的過去分詞 + that從句 It is said/believed/known/reported that 1.It is said that Tom is a faithful worker.2. It is reported that the murderer has been arrested.3. It is bel
6、ieved that all the students have done their best.= Tom _ _ _ _ a faithful worker. is said to be = The murderer is reported to have been arrested. = All the students are believed to have done their best it做形式主語（5）It + be + 形容詞/名詞 + (for sb./of sb.) + to do Its careless of her to make a spelling mista
7、ke. Its hard for me to finish it in two days.（6）It + be + 名詞 + doing Its fun/no use/no good/a waste of time doing sth. Lets practice !1.To give up smoking is very difficult. 2. Arguing with a man like him is of no use.3. Dont speak ill of her. Its wrong. 4. He didnt pass the exam. It is a shame. 5.
8、He had no desire for success. It is quite clear. It is very difficult to give up smoking. It is no use arguing with a man like him.It is wrong (for you) to speak ill of her. It is a shame that he didnt pass the exam. It is quite clear that he had no desire for success. 6. Whether he will come or not
9、 doesnt matter.7. When we will celebrate the art festival is still unknown.8. That he turned out to be thief surprised me a lot.9. The news has reached every part of the world. Someone says that. It doesnt matter whether he will come or not. It is still unknown when we will celebrate the art festiva
10、l. It surprised me a lot that he turned out to be thief. It is said that the news has reached every part of the world. 10. Whether it will do us harm or good remains to be seen.11. Working for him is fun.12. Does wasting a little money matter?13. How many people are to come is still a question. 14.
11、That he is still alive is a wonder.It remains to be seen whether it will do us harm or good. It is fun working for him.Does it matter wasting a little money?It is still a question how many people are to come. It is a wonder that he is still alive. It is known to us that bird flu(禽流感) hit China again
12、.It is said that Li Yuchun got more than one million yuan for the advertisement. 15 Bird flu(禽流感) hit China again. That is known to us.16 Li Yuchun got more than one million yuan for the advertisement. People say that. Page 21 Page 211. It is difficult to give up smoking.2. It seems that some young
13、people think they look attractive when they smoke.3. It is believed that smoking causes cancer.4. It is no use trying to quit on a stressful day.5. It is astonishing that China produces one-third of the worlds cigarettes.6. It is illegal to advertise cigarettes in this country.7. It is wonderful tha
14、t my father has quit smoking at last.8. It was a dark and stormy night when the old man started his journey.9. It is likely that you could suffer from bad health if you keep smoking.10. It is necessary for you to take pills to control your blood pressure. Discovering useful structures A:在該用 it作形式主語的
15、地方而誤用 其 他詞Is _ necessary to tell his father everything?A. it B. that C. what D.heB:在不該用it作形式主語的地方而誤用形式主語A. There B. It C. He D. That 1._must be something wrong with the machine. 2._is no need to send for the doctor3._is no doubt that he is qualified for the jobA. It B. which C. As D. What4._ is know
16、n to us that the earth runs around the sun .5._ is known to us, the earth runs around the sun .6._ is known to us is that the earth runs around the sun. AAAAIt As What i It is/was + 時間段 + since It is five months since I arrived in New York.我到紐約已經五個月了。It is five months since I was in New York.我離開紐約已經
17、五個月了。（注意：終止性動詞表示從動作發(fā)生時算起；如果是狀態(tài)動詞或持續(xù)性動詞，則從動作或狀態(tài)結束時算起。）特殊句型It is two years since I smoked.It is two years since I began to smoke.我戒煙兩年了。我抽煙兩年了。 It is + 時間段 + before 過才/就這個句型和上面句型中時間都是時間段，如long、years、months、weeks、five days、three hours、twenty minutes等。主句的時態(tài)多用一般將來時或一般過去時。It will be several years before w
18、e meet again. 我們要過好幾年才能再見面。It was not long before they set out for the front. 不久他們就出發(fā)去了前線。It wont be long before more ordinary families own cars. 不久就會有更多的普通家庭擁有汽車 特殊句型 用于強調句型中It is/was + 被強調部分 + that/who . I met Tom in the park yesterday.1) It was I who met Tom in the park yesterday.2) It was Tom wh
19、o I met in the park yesterday.3) It was in the park that I met Tom yesterday.4) It was yesterday that I met Tom in the park.It was five oclock _I got home.It was at five oclock_ I got home.whenthat特殊句型注意 強調句用以強調主語，賓語，介詞賓語以及狀語。（強調人時用that和who whom皆可） It is he who that is to blame是她該受到譴責。 ( ) It was th
20、e girl whom that I met just now我剛才遇見的就是這個女孩。 ( ) It was to Tom whom the teacher had talked老師與其談話的那個人是湯姆。 （ ） It was on Monday night that all this happened所有這一切就是在星期一的晚上發(fā)生的。（ ）主語賓語介詞賓語狀語 Mike found a bag on the playground this morning.用強調句型改寫It was a bag that Mike found on the playground this morning
21、.畫線部分提問What was it that Mike found on the playground this morning?畫線部分強調并提問Where was it that Mike found a bag this morning?畫線部分強調并提問When was it that Mike found a bag on the playground?畫線部分強調并提問Who was it that found a bag on the playground? 與I dont know合并I dont know what it was that Mike found on the
22、 playground this morning.I dont know where it was that Mike found a bag this morning.I dont know when it was that Mike found a bag on the playground.I dont know who it was that found a bag on the playground this morning. It is not until + 被強調部分 + that . 該句型也是強調句型。主要用于強凋時間狀語，譯成漢語 “直到才”，可以說是not . unti
23、l . 的強調形式。It was not until she took off her dark glasses that I realized she was a famous film star. = I didnt realize she was a famous film star until she took off her dark glasses.= Not until she took off her dark glasses did I realize she was a famous film star. I didnt realize how much I loved m
24、y parents until I went abroad.用強調句型改寫It was not until I went abroad that I realized how much I loved my parents.用倒裝句型改寫Not until I went abroad did I realize how much I loved my parents. It 常用的固定搭配 1.make it（1）在口語當中相當于succeed，表示：成功、做到、說定、趕上、及時到達 Its hard to make it to the top in show business.（2）在口語中
25、相當于fix the date for，表示“約定好時間”Shall we meet next week？OK. We just make it next Saturday. 2. take it/things easy 相當于Dont worry or dont hurry. 用來勸告別人，表示“不要慌，別擔心，沉住氣”Take it easy！He will do it well.3. It all depends/that all depends 在口語中，相當于it hasnt been decided yet，表示“那得看情況，還沒有定下來”Are you going to the
26、countryside for holiday？It/That all depends. 4. Its up to sb. 在口語中，相當于its decided by sb. 表示“由決定，由負責，取決于” Shall we go out for dinner？ Its up to you. 5. Got it?明白了嗎；懂了嗎 6. owe it to sb. that leave it to sb. that take it for granted that keep it in mind that7. enjoy/like/love/dislike/appreciate/hate/do
27、nt mind it/be fond of/feel like/see to/depend on/ insist on it that/if/when8. make it a rule that 1.It wasnt until nearly a month later _(我收到)the managers reply. (receive)2.Was it because it snowed last night _(他沒來)? (come) 3. _(在哪兒)you met the Englishman? (be)4. _( 我們都知道)that smoking is harmful to
28、health. (be)5. _(我們都知道) is that eating too much does harm to our health. (be)6. _(眾所周知), Taiwan is part of China. (be)that he didnt comethat I receivedWhere was it thatIt is known to usWhat is known to us As is known to us 7. _(不久)we will enjoy the winter vacation. (be)8. _(直到昨天) that I knew the new
29、s. (be)9 _(是什么)makes you think so? (be)10. I dont know _(是什么) makes you think so? (be)11. _(是昨天) all the members held a meeting. (be)12. It is your efforts, not your intelligence, _ (決定) your success. (determine)It wont be long beforeIt wasnt until yesterdayWhat is it that what it is thatIt was yest
30、erday that that determine It is never too old to learn. 活到老，學到老。 It is easier to fall than to rise. 摔倒容易爬起來難。 It is no use crying over spilt（溢出的） milk. 覆水難收。 It never rains but it pours(潑水). 不鳴則已，一鳴驚人。Proverbs(諺語) with “It” It is easy to open a shop but hard to keep it always open. 創(chuàng)業(yè)容易守業(yè)難。 It takes three generations（代）to make a gentleman. 十年樹木，百年樹人。Proverbs(諺語) with “It” it代詞人稱代詞指示代詞非人稱代詞引導詞it 用在特殊句型 it 用作形式主語it 用作形式賓語小 結it常用搭配
it的用法 (2)
