人教版八年級(jí) 英語(yǔ) 下冊(cè)《Module 4 Discovery Unit 7 The unknown world》課件

GrammarModule4DiscoveryUnit

7

Theunknownworld教學(xué)目標(biāo)1.掌握并在具體語(yǔ)境中正確運(yùn)用because,since,as引導(dǎo)的

原因狀語(yǔ)從句。2.掌握并在語(yǔ)境中正確運(yùn)用becauseof來(lái)陳述原因。3.能夠理解關(guān)于Val到外星球的科幻故事，并運(yùn)用所學(xué)語(yǔ)法合理補(bǔ)充故事情節(jié)。Adverbialclauses

ofreasonWhydidin'tTina'sfatherbelieveher?WhywasTinalateforschool?WhydidTinaaskherscienceteacher?Whycan'tshefallasleep?

Herfatherrefusedtobelieveherbecausenooneelsesawthealiens.

Shewaslatebecauseitrainedheavily.

Sheaskedherscienceteacherbecauseshewantedtoknowmoreaboutaliens.

Shecan'tfallsleepbecauseshekeepsthinkingaboutthealiens.becauseTina'sdiaryAdverbialclauseofreason原因狀語(yǔ)從句Adverbialclausesofreason：givereasonsGrammardiscoveryBesidesbecause,wecanalsouse

and

tostartadverbialclausesofreason.assinceArethereanyotheradverbialclausesofreason?Irefusetobelieveyousince

because

itcrashed.ThespaceshipwasdamagedTinawassurethatsomethinglandedintheforestnearthehillsassheheardaloudnoiselastnight.nooneelsesawthesealiens.MainclauseAdverbialclauseofreasonGrammardiscoveryAtthepolicestationMatchthesentences...because......as...Because...Since...TinaandTomhidbehindsomebushesastheyheardsomevoicesspeakingastrangelanguage.Becauseanaliensawthemandmadeaterriblenoise,theyranaway.Sincenooneelsesawthesealiens,theirfatherrefusedtobelievethem.Tinawassurethatsomethinglandedintheforestnearthehillsbecausesheheardaloudnoiselastnight.PracticeWecanputtheadverbialclauseofreason

themainclause.Thepositionoftheadverbialclausesofreasonacomma(,)Grammardiscoveryafter/beforeWhenweputtheadverbialclauseofreasonatthebeginning,weoftenseparateitfromthemainclausewith

.CorrectthemistakesTinaandTomthoughttheywerealiensbecausetheyhadnofeathers.Because,.Astheywerefrightened.Theyflewawayatonce.,theyRewritethesentencePracticeCompare

because,as

and

since語(yǔ)氣：because>since>as塊頭大，語(yǔ)氣強(qiáng)。because從句語(yǔ)義重心在分句上。since/as從句語(yǔ)義重心在主句上。because用于回答why提問(wèn)的問(wèn)題，可獨(dú)立成句。because和so不能同時(shí)出現(xiàn)在一個(gè)句子中。I'mtiredbecause

Ididn'ssleepverywell.Let'sstartourparty,sinceeveryoneishere.含義:because引導(dǎo)直接、充分的原因，常譯作“因?yàn)椤?；since,as引導(dǎo)顯而易見(jiàn)或間接的原因，常譯作“既然、由于、鑒于”。BecauseTomisill,hedoesn'tcometoschool.Sinceyouareill,you'dbetterstayathome.-Whydoesn'tTomgotoschooltoday?-Becauseheisill.BecauseTomisill,sohedoesn'tcometoschool.×語(yǔ)氣含義because用法GrammardiscoveryBecauseof

Usebecauseoftogivereasonsbecause+

.becauseof+//.WorkouttheruleMainclauseAdverbialofreasonTheywenttotheforestbecausebecauseofTinawokeupatmidnightbecausebecauseofShedecidedtoexploretheforestbecausebecauseof

anounanounphraseanobjectpronounasentenceGrammardiscoverytheywerecurious.curiosity.sheheardaloudnoise.aloudnoise.shewassuresomethinglandedintheforest.it.WritesentencesbyusingbecauseofTinawassurprisedbecauseof

theyellowlightinthesky.Thealienslandedontheplanetbecauseofanaccident.Thechildrenranawayfromtheforestbecauseof

thealiens.Theirdadwasnotsureaboutthechildren'sstorybecauseofthewritingonthepieceofpaper....because

shesaw

theyellowlightinthesky....because

theyhad

anaccident.PracticeGrammarinuse

語(yǔ)法綜合運(yùn)用Intheyear2045Planet4Gettoknowthesetting(背景)Planet4wasfarawayfromtheEarth.Itwasrichinplants.Planet4isintrouble.Nowit'smytimetosolvetheproblem.GettoknowthecharactersValwasa

spacetraveller.She

because

.ThetreebeingswerestrongcreatureswholivedinPlanet4.Theywereangrybecauseof

.ThevisitorswerenewcomersinPlanet4.TheywenttoPlanet4because

.Ilikesolvingproblemsinspace,soIalwaysgotootherplanets.Weareangrywiththevisitors!WegotoPlanet4togetitsplants.alwayswenttootherplanetsshelikedsolvingproblemsinspacetheywantedtogetitsplantsthevisitorsValvisitorstreebeingGettoknowtheplotWhydidthevisitorscometoPlanet4?

Planet4wasrichinplants.ThevisitorscametoPlanet4becausetheylikedtravellinginspace.Theplantswerespecialbecauseoftheirtaste.Theyturnedtheplantsintomedicinesbecausetheycouldsavelives.FFTwantedtogettheplants.theycouldbeturnedintomedicines.AfterValtalkedtothevisitors,sheknewthevisitorswerefrom

.TheycametoPlanet4becausethey.

sincetheycouldsavelives.Shewonderedhowthesemedicinescouldcurediseases.wantedtogetitsplantstheEarthTheyturnedtheplantsintomedicinesListenanddecideTorF.Whywerethetreebeingsangrywiththevisitors?Val:Excuseme,whyareyoubusyworking?Visitor:Because

.Val:Whyareyou

?Visitor:Because

.Val:Howterrible!Whydidtheyattackyou?Visitor:Wedon'tknow.wehavetorebuildourhousestheyweredestroyedbythetreebeingsrebuildattackdestroyrebuildingyourhousesGetto

knowtheplotGettoknowVal'sexperience

IwenttoPlanet4because...werebusyworkingsince...becauseof...destroyedeverynightthevisitorsturned...into...since...thevisitorscametoPlanet4becauseofCreatetheplotWhathappenednext?

Canthistoolunderstandtheirlanguage?Whatarethetreebeingstalkingabout?Wecan'tunderstand.Howcouldtheycommunicate?Couldanythinghelpthem?Whyweretheplantssoimpotanttothetreebeings?Wasthereanythingspecialaboutthem?Whatwastheending?DidValhelpthem?Whatwouldshedo?Whatwouldthevisitorsandthetreebeingsdo?...@@##$$%%**&&***~~Brainstorm

BecauseValhadausefultool,shetriedtouseittotranslatethetreebeing'slanguage.Shefoundtheplantsweresoimportanttothembecausetheywerethechildrenoftreebeings.Sincethevisitorswereactuallyharmingthetreebeing'schildren,Valaskedthevisitorstostopfarmingtheplants.Asthevisitorsstoppedfarming,thetreebeingsstoppedtheattack.Thevisitorsmovedtootherplanetssincetheyhadtolookfornewmedicines.BecauseofVal'skindnessandskills,shesolvedtheproblemperfectly.I'msorry.It'sOK.Tips:Tense:pasttenseTrytousesentenceswithbecause,since,as

and

becauseof.Belogicalandcreative.CreatetheplotHowdidValsolvetheproblem?

Summary1.AdverbialClausesofReason

amainclause+because/since/as+aclauseBecause/Since/As