公开课book6unit3 it的用法ppt课件

.,LearningObjectives(学习目标):Bytheendofthisperiod,youwillhavebeenableto:1.learnthebasicuseofit;2.useitcorrectlyandproperly.,Book6unit3Grammar,Theuseof“it”,.,Self-study,请观察下列句子，看看各句中的it各指代什么，有何共同特征？,it用作人称代词：指代上文提到的_(例如句_)或_(例如句_)。,小结1,事物,人,1.Whosit?Itisme.2.Lookatthepicture.Itisapictureofourschool.,2,1,.,3.Whoseumbrellaisthat?ItsMarys.4.Whatsthis?Itsarose.,it用作指示代词：指代上文提到的_(例如句_)或_(例如句_)。,that,3,this,4,小结2,.,5.Itishalfpasteightnow.6.Itsonlyhalfanhourswalkfromheretoourschool.7.ItisFridaytoday.8.Itwasarainingday.9.Itsspringnow.10.Itsquietinthecaf.11.ItliesinthesouthofShaoguancity.12.Itis40C!Yougotahighfever!,Time,Distance,Weather,date,Season,Circumstance,it用作非人称代词：指代上文提到的_、_、_、_、_、_等。,place,temperature,小结3,时间距离,日期季节环境地点温度,.,Self-test1Matchthefunctionof“it”,Whatsthis?Itisaboxofapples.Itrainedforthreedays.Atallmanstoodupandshookhands.ItwasMr.Li.Ihearyouboughtanewbike.Canyoushowittome?Itsthreemilesfromheretothenearestgarage.Itwasfiveoclockwhenwegotbackhomeyesterday.,A.指天气B.指时间C.替代前面提到的事物D.替代前面提到的人E.指距离F.指代this/that,A,F,D,C,E,B,.,1.it指代同名同物,特指“这个”。ThestoryisinterestingandIlikeit.2.that指代同名异物，为特指,相当于the名词。TheumbrellayouboughtischeaperthanthatIbought.3.one指代同名异物，为泛指。相当于aan名词Thisdictionaryisuseful,soIwantone.1.Icantfindmywatch.Youhaventfound_?Ifyouwanttobuyanew_.2.ThepopulationofChinaislargerthan_ofanyothercountry.3.Imlookingforahouse.Idreallylike_withagarden.,区别it,that,one,one,it,that,one,.,13.Itishardforhimtofinishthejobtonight.14.Itiskindofyoutohelpmewiththeproblem.15.Itisnogoodcheatingintheexam.16.Itwasreportedthatacaraccidenthappened.17.Itwasobviousthathetoldalie.18.Itisapitythatheisill.,it用作形式主语，替代作主语的从句(例如句_)、动词不定式(例如句_)、动词-ing短语(例如句_)，而把真正的主语置于句尾。,16-18,13-14,15,小结4,形式主语,真正的主语,.,1)Itbeadj.(forsb.)todosth.此处adj.通常为描述事件的形容词:easy,difficult,necessary,important,possible,dangerous,useful,useless,2)Itbeadj.ofsb.todosth.此处adj.通常为描述人的形容词:kind,nice,rude,polite,careful,careless,foolish,clever,wise,crazy,3)Itis+noun+从句,Itisapity(ashame/anhonor/agoodthing/afact/asurprise/.)that.,.,4)Itsnogood/use/pleasuredoingItisnousecheatingintheexam.,Itisclear(obvious,true,possible,certain)that.,5)Itisadj.+从句,Itissaid(reported/believed.)that.,6)Itisv-edthat,.,it用作形式宾语，替代不定时，动词-ing短语或从句表示的真正宾语。常用的动词有think,believe,make,find,consider,feel等。sbthink/believe/makeit+adj/n+todo/doing/clause,19.Ithinkitnousearguingwithhim.20.IfounditveryinterestingtostudyEnglish.21.Hemadeitclearthathewouldnotgothere.,小结5,.,Self-test2Rewritethesentencesuse“it”.用it改写下列句子,1.Togiveupsmokingisdifficult.2.Learningwithoutthinkingisnouse.3.thatyoudidntseesuchafilmwasapity.,4.Wethinkthatitisourdutytocleanclassroomeveryday.Wethink_tocleanclassroomeveryday.5.HefeltthatlearningEnglishwellwasimportant.Hefelt_Englishwell.6.Theyfoundthatthattheywouldfinishtheirworkintwodayswasdifficult.Theyfound_thattheywouldfinishtheirworkintwodays.,Itisdifficulttogiveupsmoking.,Itisnouselearningwithoutthinking.,Itwasapitythatyoudidntseesuchafilm.,itourduty,itimportantlearning,itdifficult,.,Practice,必做：1.填空2.划出P18-19文章中含“it”的句子,并指出it的用法。选做：翻译,.,Fillintheblankswithproperwords.(必做)1.Theyhavemade_arule_(notsmoke)intheroom.2._worriedher_herhairwasturninggrey.3.It_(know)toallthattheUKconsistsoffourcountries.4.Todayisabeautifulday._today.5.Ihopetohaveacomputer,butIcantaffordtobuy_.6.Itisnouse_(try)topersuadehimbecausehewonttakeyouradvice.Itisuseless_(try)topersuadehimbecausehewonttakeyouradvice.,trying,it,nottosmoke,It,that,known,Itisabeautifulday,one,totry,.,1)ItisabeautifuldayhereandIamsittingunderthebigtreeattheendofthegarden.(Line1)2)ItseemsamazingthatatmyageIamfitenoughtocycle20kilometersinanafternoon.(Line2)3)Itsmybirthdayintwoweekstime.(Line3)4)Yourmothertellsmethatyoustartedsmokingsometimeagoandnowyouarefindingitdifficulttogiveitup.(Line7),形式主语,非人称代词(time),人称代词(代替前面提到的smoking),非人称代词(weather),形式宾语,划出P18-19文章中含“it”的句子,并指出it的用法(必做),.,5)Believeme,Iknowhoweasyitistobeginsmokingandhowtoughitistostop.(Line8)6)Itwastimetoquitsmoking.(Line27)7)Itmighthelpyoutostopandstrengthenyourresolve.(Line29)8)Itisnoteasytostopsmoking.(Line1,Page19),非人称代词(time),形式主语,人称代词(指代前面提到的advice),形式主语,.,Translatethesentenceswithit.（选做）1.我的书不见了，到处都找不