人教版 高中选修六第三单元语法――it的用法

Theusageof“It”,武汉市新洲区新洲二中英语组张元利,Its10:08,Itslovely,Itweighsonly3kilos,Itsalargesumofmoney,_wasasunnyday.JackwantedtomakeanappointmentwithRose.Theydecidedtogoforawalktothepark,though_wastwomilesaway._wascomfortabletowalkonthestreet.,it,It,It,Suddenly_begantorain.Theyfound_hardtowalkthere.Thentheytookabushome.Unfortunately_wentwrong.Whentheygothome,theywerewetthrough.Thus_wasadaythattheywouldneverforget.,it,it,it,it,TheUsageof“it”,基本用法,常见用法特殊用法,三个句型,三个句型,形式宾语,形式主语,学习纲要,固定用法,1.基本用法:,1.it作人称代词1.1.it的最基本用法是作人称代词，主要指刚提到的事物，以避免重复:1.2.也可以指动物或婴儿(未知性别的婴儿或孩子):1.3.也可指抽象事物:,1.基本用法:,2.非人称代词it2.1.指天气：2.2.指时间:2.3.指环境:,BACK,3.作指示代词:可用来代替this,that.,possibleItis/was+adj.necessary+(forsb.)todosth./clauseimportant（ofsb.）,onesdutyIt+is/was+n.apity+(forsb.)todosth./thatanhonour,said/reported/noticedItis/wasp.p+that-clausesuggested/ordered,2.it用作形式主语,学习大纲,逻辑主语的特性,that从句虚拟语气,that从句虚拟语气,that从句虚拟语气,2.it用作形式主语,1).Ittakessb.todosth.做要花费某人2).Itiskindtodosth.3).Itisnecessarytodosth4).It+is/was+apitytodosth.,2.1作形式主语替代不定式,(ofsb.),(forsb.),(forsb.),Itisnogood(use)doingsth.该句型中的真正主语是动名词短语，主句中的表语可以是nogood,(notanygood),nouse,(notanyuse),nofun,useless,awasteoftimed+doingsth.,2.2.作形式主语替代ing形式,2.it用作形式主语,ItisnogoodlearningEnglishwithoutspeakingEnglish.,1）Itis+adj.+that从句Itisclear(obvious,true,possible,certain.)that.“清楚（显然，真的，肯定）”.Itisimportant(necessary,right,strange,natural.)that.,2.it用作形式主语,2.3代替主语从句,2）Itis+v-ed+that从句Itissaid(reported，learned.)that.据说（据报道，据悉）“。,.Itissuggested(ordered/demanded/insisted/commanded.)that.,3)Ithappens(seems，looks，appears)that.,4）Itisapity(ashame.)that.,5)Itistime(abouttime，hightime)that.,Itisthefirst(second.)timethat.Itwasthefirst(second.)timethat.,2.it用作形式主语,BACK,6指主句中常用的动词：think,believe,make,find,consider,feel；1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；3指的是真正宾语的三种形式：不定式短语，动名词短语或that引导的宾语从句。,3.it作形式宾语,Wethinkitimportanttolearnaforeignlanguage.,it作形式宾语，称该句型为6123结构。,1.Hefeelsithisdutytohelpothers.2.Hemadeitclearthathedidntwanttotalkaboutit.3.HefeltitnouselearningEnglishwithoutspeakingit.,他觉得帮助别人是他的职责。,他明确他不想谈论它。,他觉得学习英语不说它是没有用的。,findpossibleS+think+it+necessary+(forsb.)todosth./clausefeelimportant,学习小结,arule2.S+V+it+onesduty+(forsb.)todosth./clauseanhonour,3.S+V+it+nogood+doingsth.nouse,BACK,4.固定用法,常见的固定用法有:Howisitwithyourstudy?学习好吗？Thatsit.这就对了。Itwenthardwithhim.他身遇不幸。Itisalloverwithme.我完蛋了。Wemustfightitout.我们必须坚持到底。Icanthelpit.我没有办法。,makeit成功，安排在或定在某时间forgetit别提了，忘了它吧Dontmentionit别提了，表示不用谢Itdoesntmatter没关系It(That)depends视情况而定Youguessedit你猜着了Itshardtosay很难说Itsuptoyoutodosth.由你来决定做某事,