中考英语复习《代词（二）》课件.pptxVIP

多面代词（二）

It的指代作用It作形式主语It作形式宾语

It的指代作用①指代前面提到过的事物（可数名词单数、不可数名词、句子）；Whereismydictionary?Ileftitrightonthedesk.You’vehelpedmealot.Iwillneverforgetit.②指代性别不确定的婴儿或者身份不明确的人；Thebabyiscrying.Itmightbehungry.—Whoisknockingonthedoor?—Itmightbethepostman.

It的指代作用③指代时间、天气和距离；—Whattimeisitnow?—It’snineo’clock.It’sgettingcolderandcoldernow.—HowfarisittoNewYork?—Itis800kilometers.

It作形式主语①替代不定式todo；Itisimpossibletogetthereintime.②替代动名词doing；It’snotmuchfungoingtoapartyonyourown.③替代that从句。Itisafactthatthepopulationisstillincreasing.Itisclearthatyouaremakingmistakes.

重要句型①It’s+adj.+(forsb.)todosth.；（对于某人来说）做某事是……的Itisveryimportantformetolearnaforeignlanguage.②It’stime(forsb.)todosth.；到了（某人）做某事的时间了It’stimeforyoutogetup.

重要句型③Ittakes/took/willtakesb.+时间段+todosth.；做某事花费/花费了/将会花费某人多长时间IttookhimfourteenhourstogotoNewZealandfromShanghaibyplane.HowlongdidittakehimtogotoNewZealandfromShanghaibyplane?

重要句型④It+be+名词词组+doingsth.；做某事是……Itisnogoodtellinglies.Itisnousecomplaining—youjustneedtotakethetestlater.Itisnogooddoingsth.做某事没有好处Itisnousedoingsth.做某事没有用处

重要句型⑤It+be+V.过去分词+that从句.；Itis/wassaid+that从句.据说……Itis/wasbelieved+that从句.大家/人们相信……Itis/wasreported+that从句.据报道……Itis/wasthought+that从句.大家/人们认为……Itis/wassupposed+that从句.据推测……Itis/wasexpected+that从句.预计……say/believe/report/think/suppose/expect

It作形式宾语①替代不定式todo；Ifindithardtolearnphysics.②替代that从句。IthinkitnecessarythatyouspeakEnglisheveryday.Sb.+feel/find/make/think+it+adj./n.+todo/that从句

it指代上文事物可数名词单数、不可数名词、句子it指代性别不明确的婴儿或者身份不明确的人—Who’sknockingatthedoor?—Itmustbemybrother.it指代时间、天气、距离It’s8:00nowandit’sraininghard.复习总结

it作形式主语①It’s+adj.+(forsb.)todosth.；②It’stime(forsb.)todosth.；③Ittakes/took/willtakesb.+时间+todosth.；④It