《it的用法公开课》PPT课件.ppt

《《it的用法公开课》PPT课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Theuseof"It"I、代词itII.形式主语itIII.形式宾语itIV.用在强调句型中的itV.用在固定结构中的itItwasSunday.Itwasasunnyday.Lazygoatdecidedtogoforawalktotheparkthoughitwastwomilesaway.it作代词Unluckilyhefoundhegotlostandwalkedintoastrangehouse.Therewasababyinthehouse.Itwascrying.Suddenlyherealized

2、thatitwasbigbigwolf’shouse.Hequicklygetawayfromitbeforebigbigwolfcameback.it作代词ItwasSunday.Itwasasunnyday.Itwastwomilesaway.Itwascrying.Itwasbigbigwolf’shouse.Hequicklygetawayfromit.summary1：it作代词指时间指天气指距离未知性别的婴儿或孩子或身份不明的人代替前文提到过的事物，以避免重复:指示代词:指代this或thatit指“同

3、一个”one泛指“同一类，不同一个”；。that用来代替前面特指的名词，相当于the+名词单数，有时候可与theone互换。them,ones,those是他们对应的复数形式要点1：区分it,them,that,those,one,ones总结Ihadagoodbook,butIlostityesterday，soI’llbuyanewoneinXingHuaBookStoretomorrow.ThebooksinXingHuaBookStoreisofhighqualitythanthose/theonesino

4、therbookstores.高考再现(10广东)Heaskedhisteacher,“Sir,thewaterisawful.Whydidyoupretendedtolike___?”(13四川）Thetrafficonthemainstreetshasalongergreensignalthan___onthesmallones.(11福建）Wehavevarioussummercampsforyourholidays.Youcanchoose____basedonyourowninterests.（14广东）

5、Lastyear,mybrotherandIwenttoMiamiforavacation.Someofmyfriendswhohadbeentherebeforesaid___wasawonderfulholidaydestination.itthatoneitItis/hasbeen3yearssinceIvisitedyourcompany.【句式1】itis/hasbeen+段时间+since----自从----多久了Itwas3hoursbeforeherealizedthetruth.【句式2】Itwa

6、s+段时间+before---过了多久-----才---Itwillbe3monthsbeforetheycompletethebridge.【句式3】Itwillbe+段时间+before--要过多久----才--要点2：it指时间的几个重要句式Itwas10o’clockwhenthebigfirebrokeout.【句式4】itwas+点时间+when---某事发生于---某一时刻--ItisthesecondtimeIhaveheardofthis.【句式5】It/thisis/wasthe+序数词+tim

7、e+现在完成时态/过去完成时-（表示某人第几次做某事）要点2：it指时间的几个重要句式对比训练1.Itwillbeyears____wemeetagain.2.Itistenyears____Icametothistown.3.Itistenyearsago____Icametothistown.4.Itisthethirdtime___I_________(visit)tothistown.5.Itwas2am.___Tangshanearthquaketookplace.A.whenB.thatC.before

8、D.sinceCDB卓越舜耕BAhavevisitQuitdrinking?Tough!Completethe“it”sentencesgiveupdrinking,hard,itis,forthemItishardforthemtogiveupdrinking.Itistoughforthem__________.toquitdrinkingSee!Abi