it的用法PPT课件.pptx

it的用法的用法1-【知【知识要点】要点】It的用法的用法（一）作人称代（一）作人称代词1、it代替前面（或后面）的代替前面（或后面）的单数名数名词或或分句等所表示的事物。分句等所表示的事物。They say he has left town,but I dont believe it.（it代替前面代替前面Theytown分句中的情况）分句中的情况）2-2、代替有生命但不能或不必分阴阳性、代替有生命但不能或不必分阴阳性的的东西（包括西（包括婴儿）。儿）。The baby cried because it was hungry.（it代替前面的代替前面的baby）3-3、在某些、在某些习惯说法中，可以代替人。法中，可以代替人。e.g.-Someone is knocking at the door,Peter.-Who is it?-Its me.4-4、it与与one的区的区别：这两个两个词都可以代都可以代表前面表前面说过的名的名词，但，但it用于用于同名同物同名同物的的场合；合；one则用于用于同名异物同名异物的的场合。合。e.g.-Do you still have the bicycle -No,I have sold it.-Why dont we take a little break?-Didnt we just have _?one5-5、it与与that的区的区别：两：两词都可代替某都可代替某一特定名一特定名词，但，但that指同一指同一类，并非同，并非同一个。一个。e.g.The climate of South China is mild;I like it very much.The climate of South China is much better than that of Japan.6-（二）作无人称代（二）作无人称代词it作无人称代作无人称代词时，除了句中找不到它所代，除了句中找不到它所代表的表的词语外，另一个特点是它后面的内容外，另一个特点是它后面的内容都是表示天气、都是表示天气、时间、距离、度量衡及情、距离、度量衡及情况等。况等。It is fine(rainy,windy,etc.).It is noon.It is a half hours walk to the factory.It is eighteen square metres in area.What does it matter?7-（三）构成（三）构成强调结构构It was in Shanghai that I bought the guitar(that引起引起强调句句)It was at twelve oclock that we arrived there（that 引起引起强调句）句）8-（四）引（四）引导词it作形式主作形式主语（宾语）为了使句子平衡，常采用形式主了使句子平衡，常采用形式主语（或（或宾语）it，而把真正的主，而把真正的主语（或（或宾语）置于句子后面。通）置于句子后面。通常引常引导词it与它所代替的句子成分与它所代替的句子成分中中间要要夹有某些有某些词。9-It 做形式主做形式主语 to do 做真正的主做真正的主语 1.我很方便和他取得我很方便和他取得联系。系。It is convenient for me to get in touch with him.2.你那你那样做是很愚蠢的。做是很愚蠢的。It is stupid of you to do so.3.修修长城花城花费了成千上万人很多年的了成千上万人很多年的时间。It took thousands of people many years to build the Greatwall.10-doing做真正主做真正主语 4.你和他理你和他理论是没有用的。是没有用的。It is no use your arguing with him.5.覆水覆水难收收 It is no good crying over spilt milk.It is worthwhile doing the work.11-that 做真正主做真正主语 6.他整天他整天责备别人是不足人是不足为奇。奇。It is no wonder that he scolds others all day long.7.据信他在国外学据信他在国外学习/要去国外学要去国外学习/去了国外学去了国外学习。It is believed that he is studying abroad/to go abroad for study/has gone abroad for study.He is believed to be studying abroad/to go abroad for study/to have gone abroad for study.8.我突然想起我忘了我突然想起我忘了锁门。It occurred to me that I had forgotten to lock the door.It struck/hit me that I had forgotten to lock the door.12-9.他的他的陈述原来是假的。述原来是假的。It turned out（proved）that his statement was false.10.很奇怪他考很奇怪他考试竟然没有及格。竟然没有及格。Its strange that he should have failed in the examination.11.建建议你你马上去看医生。上去看医生。Its suggested that you(should)consult the doctor at once.13-常跟常跟it做形式做形式宾语的的动词有有 believe，guess，suppose，consider,think，feel，find，notice，make 我我发现学英学英语很重要。很重要。I find it important/of importance to learn English well.Of importance/value/difference/interest/help/use/benefit/effect.我我习惯了七点以前起床。了七点以前起床。I generally make it a rule to be up by 7.14-命命题的的热点集中于以下几个方面点集中于以下几个方面:.1.it/that/one用法区用法区别（it主要指代前主要指代前面提到的面提到的同一物同一物；one用来指代前面用来指代前面出出现的的单数名数名词，相当于，相当于a/an+单数名数名词，表泛指概念，往往是，表泛指概念，往往是同同类而非同而非同一物一物；that用来替代前面出用来替代前面出现的特指的特指的的单数可数名数可数名词或特指的不可数名或特指的不可数名词，相当于相当于the单数数/不可数名不可数名词）15-2.it用在某些用在某些动词后后,如如like it that/if;appreciate it that/if;dislike it that/if;resent it that;hate it that;feel like it that;see to it that;depend/rely on it that;take it for granted that;get it through to sb.that;16-keep/bear(it)in mind that ;bring it to ones attention that;Look to it that（务必、确保）；必、确保）；answer for it that（务必、确保）必、确保）;have it that 据据说说;据据闻闻之后之后;put it that 理解理解为;可以可以说是是take it that 假定假定;猜想猜想;认为17-Rumour has it that well have a new manager soon.据据说我我们不久就要来一位新不久就要来一位新经理。理。You can put it that it was arranged before.你可以你可以说这是以前安排的。是以前安排的。I take it that he will come on time.我我认为他会准他会准时来的。来的。18-it在一些在一些惯用用语中出中出现：take.in turns;leave.to;owe.to;take.upon oneself to do sth.(擅自擅自/承担承担)：Can you do all together?I think you have to take it in turns.I will leave it to you to assign the duties to the staff.Paul owed it to Susan that he had made it.How can John take it upon himself to do all the chores?19-4.作形式作形式宾语或形式主或形式主语（主要代替（主要代替 ving,to do或从句）或从句）5.考考查it 构成的构成的习语，it也常表示抽象的情况也常表示抽象的情况,属属于虚指于虚指.Take it easy.keep it up（继续下去而不松弛）下去而不松弛）.带带it的的习语习语 Thats it=thats what I mean=thats what I want to know.那就那就对对了就了就这样这样。Youll catch it.你会受你会受罚罚的。的。I cant help it.我没有我没有办办法。法。20-Make it.成功做某事。成功做某事。Take it easy 放松点，放松点，别别急急 That/it depends 依情况而定。依情况而定。As sb puts it正如某人所正如某人所说说的那的那样样 Get it 理解，明白。理解，明白。21-【高考【高考链接】接】1.（2010高考英高考英语辽宁卷，宁卷，33）The fact that she was foreign made _difficult for her to get a job in that country it 22-1.（2010高考英高考英语大大纲全国全国II卷，卷，14）The doctor thought _ would be good for you to have a holiday.it 23-1.（09四川）四川）6.I like this house with a beautiful garden in front,but I dont have enough money to buy_.it 24-3.（09北京）北京）2.Being a parent is not always easy,and being the parent of a child with special needs often carries with _extra stress.it25-4.（2006年浙江卷，年浙江卷，4）_ is our belief that improvements in health care will lead to a stronger,more prosperous economy.It26-5.If I can help_,I dont like working late into the night.it27-28-6.（2006年安徽卷，年安徽卷，34）Catherine bought a postcard of the place she was visiting,addressed to and then posted it at the nearby post officeit;herself 29-7.（2007年山年山东卷，卷，24）_ worries me the way he keeps changing his mind.It 30-8.（2007年年陕西卷，西卷，16）There is still a copy of the book in the library.Will you go and borrow?No,Id rather buy in the bookstore.it;one31-9.（2007 年天津卷，年天津卷，1）He didnt make _ clear when and where the meeting would be held.it32-