Book6-Unit3-grammar-it用法.ppt

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 tells 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 smoking.(Line 27)7).Itthe 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(其真正主或者其真正主或者宾语是宾语是:_)指代前面提到的事物指代前面提到的事物表时间表时间,天气天气,距离距离等等v-ing,to do,主语从句主语从句It seems that some young people think they look attractive when they smoke.It is believed that smoking causes cancer.It is illegal to advertise cigarettes in this country.It is a pity that he got into the habit of smoking at such an early age.It seems that some young people think they look attractive when they smoke.It is believed that smoking causes cancer.It is illegal to advertise cigarettes in this country.It is a pity that he got into the habit of smoking at such an early age.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 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 takes sb.to do sth9.It is no good(use)/a waste of time(money)doing sth10.10.It looks(seems)as if归纳归纳1.It is adj.(for sb./of sb.)to do I make it a rule to be in bed by 10 pm.After the winter vacation,he After the winter vacation,he found found it difficult difficult to accustom to accustom himself to getting up earlyhimself to getting up early.I think it unlikely that Ill get a job.Grandad felt it necessary to do something to help Jame to quit smoking.I make it a rule to be in bed by 10 pm.After the winter vacation,he found it difficult to accustom himself to getting up early.Grandad felt it necessary to do something to help Jame to quit smoking.I consider it a great honour to be invited.I think it unlikely that Ill get the job.5(verbs)=1(it)+2(n./adj.)+2(to do/that-.)5(verbs)=1(it)+2(n./adj.)+2(to do/that-.)it作形式宾语的常见句式作形式宾语的常见句式归纳归纳We would appreciate it if you didnt smoke here.I hate it when my parents argue.5.I like it when a book is so good that you cant put it down.3.Most people dislike it when they are told what to do.4.I just love it when you bring me presents!1.We would appreciate it if you didnt smoke here.2.I hate it when my parents argue.it用在表示好恶的动词后面，代替宾语从用在表示好恶的动词后面，代替宾语从句。句。You can depend on it that the children will clean their classroom every day.I just took it for granted that my parents would always be around.See to it that youre ready on time!You can depend on it that the children will clean their classroom every day.I just took it for granted that my parents would always be around.it的一些习惯用法的一些习惯用法uHow is it with your study?学习好吗？学习好吗？uThats it.这就对了。这就对了。uIt went hard with him.他身遇不幸。他身遇不幸。uIt is all over with me.我完蛋了。我完蛋了。uWe must fight it out.我们必须坚持到底。我们必须坚持到底。uI cant help it.我没我没有办法。有办法。in-class exercises 当堂训练当堂训练改错改错(必做必做)1.You wont find difficult to get to the city center.(2004全国全国)2.I know there 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(2015(2015浙浙浙浙江江江江)How How would would you you _ _ if if you you were were watching watching your your favorite favorite TV TV program program and and someone someone came came into into the the room room and and just just shut shut it it off off without without asking you?(like)asking you?(like)如如如如果果果果你你你你正正正正在在在在看看看看最最最最喜喜喜喜欢欢欢欢的的的的电电电电视视视视节节节节目目目目，有有有有人人人人进进进进了了了了你你你你的的的的房房房房间没有问你就把门关上了，你会间没有问你就把门关上了，你会间没有问你就把门关上了，你会间没有问你就把门关上了，你会怎么想怎么想怎么想怎么想？(2014浙江浙江)An average of just 18.75cm of rain fell last year,_ the driest year since California became a state in 1850.(make)去年平均去年平均18.75厘米的降水量，厘米的降水量，使得该年份使得该年份成了成了加州自加州自1850年以来最为干旱的一年。年以来最为干旱的一年。like itmaking it(2014全国全国)-Whos that at the door?-_ the milkman.(be)(2014陕西陕西)Id really _(感激感激)if you could let me know in advance whether or not you will come.(appreciate)(2012全国全国)Sarah _(成功到达成功到达)to the airport just in time to catch her plane this morning.(make)It isappreciate itmade it(2012陕西陕西)No matter where he is,he _(使使.成为习惯成为习惯)to go for a walk before breakfast.(make)(2012四川四川)New technologies have _(使使.成为可能成为可能)to turn out new products faster and at a lower price.(make)(2011天津天津)We _(觉得觉得是我们的责任是我们的责任)to make our country a better place.(feel)makes 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 England,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_ is 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 belief 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+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 realize 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 China.(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)5.(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 themIt 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是形式宾语it；2指的是宾补的两种形式：形容词或名词；指的是宾补的两种形式：形容词或名词；3指的是真正宾语的三种形式：不定式短语，动名词短语指的是真正宾语的三种形式：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 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 first 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改错改错(必做必做)1.You wont find difficult to get to the city center.(2004全国全国)2.I know there 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 colder every day.7).All time is no time when it is past.光阴一去不复返。8).She felt it useless to talk with him about that.形式主语形式主语形式主语形式主语形式宾语形式宾语人称代词人称代词非人称代词非人称代词人称代词人称代词非人称代词非人称代词非人称代词非人称代词语法填空语法填空(optional 选做选做):The best place for a summer holiday is the seaside.In England,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_ is 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 thatititHomework1.Finish exercise 2 on page 21:Rewrite the sentences.2.Revise and master the use of it.3.Preview the Reading:HIV/AIDS:Are you at risk?