高三英语It的用法课件.ppt

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1、It’stimeforclass.It’sonherdesk.ItisMissQiwhoisrathercareless.Itisveryimportantformetobeacarefulperson..carefulperson.Theuseof"It"-Whatdoyouthinkofthemovie?-It’soneofthebestmoviesthatI’veseen.Who’sthelovelybaby?MyfatherisMr.Black.It’sMr.Black’s.Itcanbeusedaspersonalpronouns,r

2、eferringtotheperson,animalormattermentionedabove,orthepersonwhoyouarenotsureofgender.summary1____wasasunnyday.Peterdecidedtogoforawalktothepark,though_____wastwomilesaway.___wassocomfortabletowalkonthestreet.itItItSuddenly___begantorain.Hefound__hardtowalkthere.Thenhetookabu

3、shome.Unfortunately___wentwrong.Whenhegothome,hewaswetthrough.Thus___wasadaythathewouldneverforget.ititititEg:Itwasasunnyday.Peterdecidedtogoforawalktothepark,thoughitwastwomilesaway.Summary2Itcanbeusedasimpersonalpronounstotalkabouttime,date,distanceorweatherandsoon.it常用在以下

4、句型中：意思是“自从……以来已有一段时间”。Itis＋时间段＋since＋主语＋did-Whatwasthepartylike？-Wonderful！It'sbeenyears____Ienjoyedmyselfsomuch．A．afterB．whenC．beforeD．since√1.Itwassocomfortabletowalkonthestreet.Itseemsthatnobodywillvoteforhim.3.Hefoundithardtowalkthere.Summary3“It”canbeusedinthesubjectoro

5、bjectpositiontostandfortheinfinitiveoraclause.Preparatorysubjectadj.difficult/easy/necessary/importantn.pleasure/pity/shame/funv.Itis/wasItis/was(a/an)Itappearsseemslookscertainissaidthat…Preparatoryobjectv.Sb.+thinkmakeitfind+adj.todo…+that…Tohavesuchamagichouseispleasant.I

6、t’spleasanttohavesuchamagichouse.Whetherwewillgototheoceanariumhasnotbeendecided.Ithasnotbeendecidedwhetherwewillgototheoceanarium.Jointhetwosentencesbyusing“it”asobject.JanethinksitfunnythatIhavetakenupChinesekungfu.IhavetakenupChinesekungfu.Janethinksitisfunny.OprahWinfrey

7、makestotalkaboutgreatmomentsanddifficultiesinpeople’slivespossible..itpossibleTheuseof“it”foremphasis可被强调的部分除谓语之外的句子各成分。基本句子结构Itis/was＋被强调部分＋that/who/whom+其它。备注is既可强调现在的情况，也可强调过去的情况。Summary4WecalledonProfessorWangathisofficethismorning.weProfessorWangEg:Itwaswewho/thatcalled

8、onProfessorWangathisofficethismorning.ItwasProfessorWangwhom/that/whowecall