冀教新英语四年级上册Lesson15GodiocksandtheThreeBears课件20ppt.ppt

,Shedidntlikeitbecauseitwastoohigh.,Inthislessonyouwilllearn:,Clausesofreasonwithsince,asandbecause.ThestoryofGoldilocksandtheThreeBears.,Warmingup,Haveyouheardsomewesternstories?Whatarethey?HaveyoueverheardthestorycalledGoldilocksandThreeBears?Whatdoyouthinkthestoryisabout?,Letslookatsomepictures!,Pre-reading,Pleaseskimthestoryandfindthesentenceswhichhave“as”,”since”and“because”.Pleaseworkinpairsandpredictthemainideaofthestory.,Sentenceswhichshowreasons,Sincebabybearwasverysmall,hehadasmalldish.Astheporridgewasveryhot,theydecidedtogoforawalkwhiletheirporridgewascoolingdown.Shedidntlikeitbecauseithadtoomuchsalt.,Grammar,Q:whendoyouuse“as,since”and“because”?,Grammarexplanations,Anadverbialclauseofreasonexplainsthecauseofanactioninthemainpartofasentence.Weuseconjunctionslikebecause,as,andsincetogiveareason.Lookatthepositionoftheconjunctions.Withasandsince,weplacethesewordsatthebeginning.Sinceemphasizesthemainclause,wetranslateitinto因为or既然。Asalsoindicatesreasons,butithasweaktonethansinceanditisnotasformalassince.(表示原因的状语从句解释主语中动作的原因。原因状语从句由because,as和since引导。这三个连词的位置不同,as和since引导的从句通常在主句之前。)since侧重主句，常常翻译为“因为”，“既然”。As也表示原因，但语气比since弱一些，没有since正式。e.g.AsGoldilockswastooheavy,shebrokeBabyBearschair!SinceBabyBearwasverysmall,hehadasmalldish.Withbecause,weoftenplaceitlaterinthesentence.Thetoneisstrong.(Because引导的从句通常在主句之后。语气通常比较强）e.g.shedidntlikethebedbecauseitwastoohard.,Exercise,Writesentencesinyournotebooksconnectingthefollowingideasusingbecause,as,orsince.heasksyou,pleasetellhimthereason.Ihadacold,Iwasabsentfromschool.Ididntpasstheexam,Ididntprepareitverywell.,answers,Sinceheasksyou,pleasetellhimthereason.AsIhadacold,Iwasabsentfromschool.Ididntpasstheexam,becauseIdidntprepareitverywell.,While-reading,Pleasereadthisstoryagainandputthesentencesbelowinrightorderwithyourpartners.,Exercise,Thethreebearsdecidedtogoforashortwalk.Goldilockstriedthebearschairs.Goldilockslookedthroughthekitchenwindow.Goldilocksfellasleep.Goldilockstriedthebearsporridge.Thethreebearsmadesomebreakfast.GoldilocksbrokeBabyBearschair.Goldilockswentinsidethebearshouse.Goldilockslaydownonthebearsbeds.,answers,2,6,4,9,5,1,7,3,8,Post-reading,Pleaseworksinpairsandretellthestoryandtrytorewritethestory.Donotforgettousethewords“as”,“since”and“because”.Someofourstudentswillbeinvitedto