Book6 Unit3 grammar it用法

1、The use of “it”1.It is easier to fall than to rise. 摔倒容易爬起难。摔倒容易爬起难。2.It takes two to make a quarrel. 一个巴掌拍不响。一个巴掌拍不响。3.Its never too late to learn. 活到老，学到老。活到老，学到老。4.Its no use crying over spilt milk. 覆水难收。覆水难收。5.It never rains but it pours. 祸不单行。祸不单行。6.It takes all sorts (to make the world). 世界之大无

2、奇不有。世界之大无奇不有。Proverbs(谚语) with “It”1).It is a beautiful day here and I am sitting under the big tree at the end of the garden. ( Line 1)2).It seems amazing that at my age I am fit enough to cycle 20 kilometers in an afternoon. (Line2) 3).Its my birthday in two weeks time. (Line 3) 4).Your mother tel

3、ls me that you started smoking some time ago and now you are finding it difficult to give it up.(Line 7)形式主语形式主语非人称代词非人称代词(time)人称代词人称代词(代替前面提到的代替前面提到的smoking)非人称代词非人称代词(time)形式宾语形式宾语5).Believe me,I know how easy it is to begin smoking and how tough it is to stop. (Line 8)6)It was time to quit smoki

4、ng. (Line 27)7).It(the advice) might help you to stop and strengthen your resolve. (Line 29)8).It is not easy to stop smoking. (Line 1,Page 19)非人称代词非人称代词(time)形式主语形式主语人称代词人称代词(指代前文提到的指代前文提到的advice)形式主语形式主语It 用法归纳用法归纳一人称代词一人称代词:_;二二 非人称代词非人称代词:_;三三 形式主形式主/宾语宾语(其真正主或者宾其真正主或者宾语是语是:_)指代前面提到的事物指代前面提到的事物表

5、时间表时间,天气天气,距离等距离等v-ing,to do,主语从句主语从句It that some young people think they look attractive when they smoke.It that smoking causes cancer.It It that he got into the habit of smoking at such an early age.It It It It it作形式主语的句型常见的有作形式主语的句型常见的有：2. It is clear (likely/obvious/true/possible/certain.) that

6、3. It is said (reported/believed/announced/hoped.) that 4. It is suggested (ordered/demanded/insisted/ commanded. ) that 主语主语+(should) do5. It is a pity (shame/duty/fact/honor/no surprise.) that6. It happens (seems/looks/appears/turns out ) that7. It doesnt matter / makes no difference +wh-/how8. It

7、 takes sb. . to do sth9. It is no good (use) / a waste of time (money) doing sth It looks ( seems ) as if归纳归纳1. It is adj. (for sb./ of sb.) to do Iit a rule .it I it unlikely that Ill get a job.it I it a rule .it it I it a great honour .I it unlikely .5(verbs)=1(it)+2(n./adj.)+2(to do/that-.)it作形式宾

8、语的常见句式作形式宾语的常见句式归纳归纳it it 5. I like it .3. Most people dislike it .4. I just love it ! 1. We would appreciate it .2. I hate it .it用在表示用在表示好恶好恶的动词后面，代替宾语从的动词后面，代替宾语从句。句。it in-class exercises 当堂训练当堂训练改错改错 (必做必做) You wont find difficult to get to the city center. (2004全国全国)2. I know there is not easy t

9、o be a teacher. (2004湖北湖北)3. This is not surprising that the Silver Ghost was regarded as “the best car in the world”. it Ititlike itmaking itIt isappreciate itmade itmakes it a rulemade it possiblefeel it our duty语法填空语法填空 (optional 选做选做): The best place for a summer holiday is the seaside. In Engla

10、nd, 1_is not only the rich who can take their children to the seaside;if a factory worker or a bus driver,a street cleaner or a waiter wants to take his wife and children to Southend or Margate,he is usually quite able to do so.Now, 2_is it that children like so much about the seaside ? I think 3_ i

11、s the sand,the sea and the sun more than any other things.Of course,there are lots of exciting things to see,and to do,but it is the feeling of sand under 4 _feet,of salt water on ones skin,and of the warm sun on ones back 5 _makes the seaside what 6_is ! itwhat ones thatititIt was with a strong bel

12、ief that Martin Luther king led mang movements against racial discrimination.III. 强调结构中的it（emphatic structure ）It is/was + 被强调部分 + that/who.+其他成分I met Tom in the street yesterday.强调结构的一般疑问句型： Is/was + it + 所强调的部分 + that / who?Was it you that met Tom in the stress yesterday?强调结构的特殊疑问句型： 疑问词 + is/was

13、+ it + that/who? Who was it that you met in the street yesterday?Where was it that you met Tom yesterday?.notuntil.句式用于强调句型要注意 否定词 not 前移构成：It is/was not until + 被强调部分 + that .I didt go to bad until 10 oclock yesterday evening.It was not until 10 oclock yesterday evening that I went to bed.I didnt r

14、ealize she was a famous film star until she took off her dark glasses.It was not until she took off her dark glasses that I realized she was a famous film star.3.It is no use (和他们争论这一问题), you are simply wasting time. (argue) 6.His parents managed to (使成为可能 ) for him to go abroad. (possible)4._（不要紧/没

15、关系）whether we go together or separately.( matter)7. According to the witnesses, it was at two oclock ( 该事故 发生 ). ( happen )1. ( 正在下雨 ) when they left the station.( rain )2. ( 对他来讲很困难 ) to study two languages. ( difficult )8. ( 正是在这片耕地上 ) that the farmers produce food for the whole population of Chin

16、a. ( farmland )10. It ( 直到他们联手 ) that they achieved their goals.( join )9.It ( 直到1920 年) that regular radio broadcasts began. ( until) (普遍认为)that Chinas fast development in economy will benefit many countries in the world.( generally, believe ) It was rainingIt is difficult for himarguing with themI

17、t doesnt matterIt is widely believedmake it possiblethat the accident happenedIt was on this farmlandIt was on this farmland was not until 1920 was not until they joined handsit作形式宾语的常见句式作形式宾语的常见句式为了记忆方便我们把该句型总结为为了记忆方便我们把该句型总结为5123结构结构。 5指主句中常用的动词：指主句中常用的动词：think,make,find, consider,feel； 1指的是形式宾语指的

18、是形式宾语it； 2指的是宾补的两种形式：指的是宾补的两种形式：形容词或名词；形容词或名词； 3指的是真正宾语的三种形式：指的是真正宾语的三种形式：不定式短语，动名词短语不定式短语，动名词短语 或从句。或从句。We think it our duty to take good care of the old. He felt it a waste of time listening to such lectures. They found it difficult that they would finish their work in two days. 归纳归纳形式主语形式主语1).Its

19、 no use cheating in the test .2).Its believed that you cheated in the test.3).It was wrong to cheat in the test.Learning and Summary(句型归纳句型归纳):It is/was+_或或_或或_+ _. _. _. n p.p. v-ing that-clause to do sth adj.It is (about/high) time that sb did sth should do sth. 正是某人做某事的时候了.It/This/That is the fir

20、st time that sb has done sth 这是第一次某人做某事It will be long before sb does sth.过了好久才.It will not be long before sb does sth. 不久就. It was long before sb did sth 过了好久才.It is/has been years/days since sb did sthIt was/had been years/days since sb had done sth用用it改写下列句子改写下列句子(必做必做)1).Giving up smoking is dif

21、ficult.(Its.) 2).Most people believe smoking causes cancer.(It is believed.) 3).The night was dark and stormy when the man started his journey.(It was a.) 4).Dont quit on stressful day.(Its no use.)Its difficult to give up smoking.Its believed that smoking causes cancer.It was a dark and stormy nigh

22、t when the man started his journey.Its no use quitting on stressful day.选择题选择题 (compulsory必做必做)1. He didnt make _ clear when and where the meeting would be held. (天津天津2007) A. this B. that C. it D. these 2. _ is our belief that improvements in health care will lead to a stronger, more prosperous eco

23、nomy. (浙江浙江2006)A. As B. ThatC. This D. ItCD3. The doctor advised Vera strongly that she should take a holiday, but _ didnt help. (2005全国全国)A. it B. she C. which D. he4. Id appreciate _ if you would like to teach me how to use the computer. (山东山东2006)A. thatB. it C. this D. youAB5. -Im looking for a

24、 flat.(江西江西 2009) -Would you like _ with _ garden? A. it; the B. it; a C. one; a D. one; the6. It was along the Missippi River _Mark Twain spent much of his childhood.(天津天津2008)A. how B. which C. that D. whereC C 改错改错 (必做必做) You wont find difficult to get to the city center. (2004全国全国)2. I know ther

25、e is not easy to be a teacher. (2004湖北湖北)3. This is not surprising that the Silver Ghost was regarded as “the best car in the world”. it Itit人称代词人称代词 ?非人称代词非人称代词 ? 形式主形式主/宾语宾语 ? 请判断请判断: 1).Toms mother kept telling him to work harder but it didnt help. 2).Its no use learning without thinking . 3).Its about 15 miles from here to the bus station. 4).Its a pity that you didnt see such a film. 5).-Who is knocking at the door ? -Its me. 6).Its getting colder and