it用法公开课市公开课一等奖省赛课微课金奖课件.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2021/10/3,#,it,1/43,Discussion,What jobs can“it”do?,2/43,It,使用方法归纳,一、指代,it,二、形式,it,三、强调,it,四、含有,it,短语、谚语,3/43,Look at the picture._ is a picture,of our school.,It,一、,1.,用作人称代词,代表前面提到人或事物,.,My pen is missing.,I cant find_ anywhere.,it,4/43,-Is this jacket yours?,-Yes,_ is.,2.,用于代替指示代词,this,和,that,。,it,5/43,3.,用以表示时间、距离、天气、季节、环境等,.,.,It,s 10:08.,Its only half an hours walk from here,to our school.,3)It is sunny today,isnt it?,4)Its spring now.,5)Its quiet here.,Time,Distance,Weather,Season,Circumstance,（,环境,）,6/43,4,、能够用来指动物、婴儿和未确定身份人,。,Who is it?,It,s lovely.,It weighs only 3 kilos.,7/43,二形式,it-,形式主语，,形式宾语,8/43,It is vital for all of you to have a good command of English.,你们掌握英语是至关主要。,形式主语,To have a good command of English is vital,for all of you.,9/43,1.,代替动词不定式做主语,1,),It be adj.,(,for sb.,),to do sth.,此处,adj.,通常为描述事件形容词,:,easy,difficult,necessary,important,p,ossible,useful,useless,vital,（至关主要）,essential,（必要）,.,10/43,Make sentences:,1.,我们保持自然界平衡是有必要。,It is necessary for us to keep the balance,of nature.,2.,在日常生活中练习你英语口语是非常重,要。,Its very important for you to practise your,oral English in daily life.,11/43,你让我们做这些练习是明智。,It is wise,of,you to let us do these excises.,Its,kind,of,you to help,me,w,ork,o,ut,the problem.,12/43,2,),It be adj.of sb.to do sth.,此处,adj.,通常为描述人形容词,:,kind,nice,rude,polite,cruel,considerate,（细心）,thoughtful,careful,careless,foolish,stupid,clever,wise.,13/43,你能帮我，真好。,Its very kind of you to help me.,Its very nice of you to offer me a seat.,给我让座，您太好了！,Make sentences:,14/43,3It+takes,、,took(sb.)+,时间,/,金钱,/,精力等,+,动词不定式,It took me much time to edit,（编辑）,this,powerpoint.,说实话需要很大勇气。,It takes great courage to tell the truth.,成功需要付出极大努力。,It takes great efforts/pains to succeed.,15/43,Its no good/,use,/pleasure doing,做,没益处，没用，没趣,2.,代替动名词做主语,It is no use crying over spilt milk.,只阅读不了解没什么益处。,Itisnogoodreadingwithoutunderstanding.,16/43,It is possible that,we will realize,（实现）,our,dreams one day.,17/43,3,.,代替主语从句作形式主语,1),It is clear(obvious,true,possible,certain,)that.,该句型中,it,是形式主语,真正主语是,that,引导主语从句,常译为“清楚,(,显然,真,)”,是主语从句最常见一个结构。,It is adj.+,从句,显然，手机给我们带来了许多好处。,It is clear that cell phones have,brought us a lot of benefits.,18/43,It is necessary that you(should),remember the 3500 words.,19/43,2)It is important,(necessary,，,strange,，,natural,surprising.),that.,that,后从句中要用虚拟语气（,should+,动词原形。,我们用有效方法学习很主要。,It is important that we should learn,in an effective way.,20/43,It is said that he has a secret weapon,in maths learning.,21/43,It is said(reported/believed.)that.,该句型中,it,仍是形式主语,真正主语是,that,引导主语从句,;,该结构常译为“听说,(,据报道,据悉,)”,。,It is v-ed that,人们相信健康比财富更主要。,It is believed that health is more important,than wealth.,22/43,It is a shame that our city has been under,the shadow of smog these days.,23/43,It is+noun+,从句,It is a pity(a shame/an honor/a fact,/a surprise/.)that.,很遗憾,/,可耻是,/,很荣幸,很遗憾你不能来参加这个派对。,It is a pity that you couldnt come to the,party.,我很荣幸被邀请参加你生日聚会,.,It is an honor that I was invited to your,birthday party.,24/43,It happens,(seem,appears,turnsout,),等不及物动词,+,that.,恰巧,.,看来结果证实,.,It seemed that he didnt tell the truth.,It happened that I was out when he called.,25/43,It is,(,high)time,that.,从句应该用虚拟语气，惯用过去时态表示虚拟 有时也用,should+,动词原形，,should,不能省，常译为是（正是）时侯,It is time that we should work hard.,It is high time that we should take action,to deal with the environmental problems.,是我们采取行动处理环境问题时候了！,26/43,形式宾语,动词,+it+,形容词,/,名词,+,（,for sb,）,to do/doing,+that,从句,think,believe,consider,feel,make,find,hard useless,important,necessary,natural/,essential,nouse/nogood/,awasteoftime/,our duty,27/43,I found,it,very interesting,to study,English,.,形式宾语,I think,it,every ones duty,to protect our,mother the earth.,Ithink,it,important,thatyou(should)make a plan.,I have,made it a rule that,I will do some,English reading every day.,要求，习惯于,我发觉学英语很有趣。,我认为保护我们地球母亲是每个人责任。,我认为你制订一个计划很主要。,28/43,it,作形式宾语特殊句型,结构动词,+it+if/that/when,动词有喜欢类：,enjoy,like,appreciate,prefer,讨厌类：,hate,dislike,假如你能给我这个机会我将不胜感激。,I would appreciate it if you can offer me the chance.,I like it when my mother is happy.,I hate it when people talk with their mouths full.,29/43,He,took it for granted that,he would pass the exam.,Dont,depend/rely on it that,he will arrive on time.,I,owed it to Tom that,I found the job I wanted.,想当然地认为,指望,把什么归功于某人,30/43,They made a vow,（誓言）,of love in,front of the huge stone in .,三,.,强调句型,31/43,It+be+,被强调部,+that/who(a person),其它部分,It was the couple that/who made,a vow of love in front of the huge stone in,.,It was a vow of love that the couple made,in front of the huge stone in.,It was in front of the huge stone that they,made a vow of love in.,It was in that,32/43,It was five oclock _ I got home.,It was,at,five oclock _ I got home.,when,that,A that B when,33/43,It was,not until she took off her dark glasses,that,I realized she was a famous film star.,It is not until,+that.,直到,才,请指出以下句子强调部分：,It is what we think that controls us.,34/43,四、,i,t,惯用固定搭配,make it,succeed,成功、搞定,It,w,as,hard,but I finally made it.,2.take it,easy,不要慌,别担心。,3.It all depends/that all depends,.,那要视情况而定。,4.Its up to sb.,这取决于你。,35/43,It is never too late to learn.,Itsnousecryingoverspiltmilk.,Strike the iron while it is hot.,36/43,高考链接,37/43,The scientists next research job was clear:Find out what in the fishs blood kept it from freezing.Their search led to some really strange thing made up of a protein(,蛋白质,),never before seen in the blood of a fish.When,it,was removed,the blood froze at seawater temperature.,（,辽宁）,70.,What does the underlined word“it”in,Paragraph 5 refer to?A.A type of ice-salt mixture.,B.A newly found protein.C.Fish blood.D.Sugar molecule,(,分子）,.,B,阅读,38/43,1.Janewaswalkingroundthedepartment,store.Sherememberedhowdifficult_31_,wastochooseasuitableChristmaspresent,forherfather.(,广东）,2.Heaskedhisteacher,Sir,thewaterwas,awful.Whydidyoupretendtolike,38,?“,（,广东）,语法填空,it,it,39/43,4.Will_matterifyoudonttakeyour,breakfastRecentlyatestwere given,intheUnitedSates.,3._isknowntoallthatthetimewecan,useislimited.Thereforeweshould,makefulluseofourtimetostudyhardsoas,toserveourcountryinthe future.,It,it,40/43,OnedayIwrotealittlestoryandshowed,tomyteacher.,改错,Youwontfinddifficulttogettothecity,center.,it,it,41/43,Please make as many sentences as,you can on,environment,by using“it”.,Activity,42/43,Thank you for listening!,43/43,