一・代词it的用法

一·代词it的用法－－it作形式主语的用法•It可作人称代词或起指示代词的作用；也可作形式主语或形式宾语；还可用于构成强调句。eg:IwasdisappointedwiththefilmIhaveexpected____tobemuchbetter.A.thatB.thisC.oneD.it•答案：D。that指上文所提到的事;this指下文要叙述的事；one泛指任何一个；it指上文中的名词film1·如果动词不定式是句子的主语，通常it置于句首作形式主语eg:Toplayiseasy.Itiseasytoplay.Itisbettertobeearly.Itseemsapitytogiveupnow.如果将it+be置于find/think(that)之后，通常be和that可以省略。eg;Hethought(that)it(wouldbe)bettertosaynothing.Wefounditimpossibletogetthatbook.2·如果句子的主语是从句，通常用it作形式主语置于句首，从句放在后面。eg;Thathehasn’tphonedisodd.----Itisoddthathehasn’tphoned.Thatpriceswillgoupiscertain.----Itiscertainthatpriceswillgoup.3·it可以引导强调句eg;ItwasPeterwholentusthemoney.Itistodaythathe’sgoing.Itismathteachersthatweneed,notChineseteachers.4·其他用法：eg;Itneveroccurredtomethatperhapshemaylying.Itstruckedmethateveryonewasunusuallysilent.5·it可以充当非人称动词的主语itseems……似乎，看起来好像……itappears…….似乎，看来……itlooks……显得，好像……*It/this可替代句子中前面提到过的短语，短句，动词eg;Hesmokedinbed,thoughIdon’tlikeit.(=hissmokinginbed)Hesuggestedflying,butIthoughtitwouldcosttoomuch.(=flying)1.TheForeignMinistersaid,“____ourhopethatthetwosideswillworkpeace.”A.ThisB.ThereisC.ThatisD.Itis答案:D2.Ihavealwaysbeenhonestandstraight–forward,anditdoesn’tmatter____I’mtalkingto.A.whoisitB.whoitisC.itiswhoD.itiswhom答案：D