Unit3EnvironmentalProtectionDiscoverUsefulStructures課件高二英語人教版選擇性

DiscoveringUsefulStructuresGrammar——

1.Workingroups.Lookatthesentencesinbothcolumnsdiscussthedifferencesbetweeneachpair.Summarizetherulesforchangingdirectspeechintoindirectspeech.DirectSpeechIndirectSpeechObserve&compare

IndirectSpeech1.Theexpertsaidthatfromthepositionofdeadbody,thebearappearedtohavestarvedanddied.2.Thereporteraskedwhetherpolarbearswoulddieoutbecauseofclimatechange.3.Thereporteraskedhowwecouldsavepolarbearsfromextinction.4.Theexpertadvisedusto

worktogetherto

stopclimatechange.DirectSpeech1.Theexpertsaid,“fromthepositionofitsdeadbody,thebearappearstohavestarvedanddied."2.Thereporterasked,“willpolarbearsdieoutbecauseofclimatechange?"3.Thereporterasked，“How

canwesavepolarbearsfromextinction?"4.

Let’sworktogethertostopclimatechange,"theexpertsaid.Observe&compare1.Dianeasked,“WhatmadeHurricaneKatrinaunusual?”2.Dianeasked,“WasittheworstnaturaldisasterinAmericanhistory?”3.Marthasaid,“Iwanttobecomeascientistandhelptheworld.”DianeaskedwhathadmadeHurricaneKatrinaunusual.Dianeasked(me)if/whetherithadbeentheworstnaturaldisasterinAmericanhistory.Marthasaid/toldtme(that)shewantedtobecomebecomeascientistandhelptheworld.4.Marthasaid,“Iamdoingaprojectonbehalfofmyschoolaboutglobalwarming.”5.Bobasked,“Whyisnuclearpowerasensitivetopic?”6.Bobasked,“Couldyouexplainhowthenucleardisasterhappened?”Marthasaid/toldme(that)shewasdoingaproject.onbehalfofherschoolaboutglobalwarming.Bobaskedwhynuclearpowerwasasensitivetopic.Bobasked(me)if/whetherIcouldexplainhowthenucleardisasterhadhappened.7.Lauraasked,“Howmanyanimalshavedisappearedbecauseofhumanhunting?”8.Lauraasked,“Whatcanwedotohelpwildanimals?”9.Vincentsaid,“IhaveneverbeentotheAmazonJungle.”10.Vincentsaid,“Willscientistsdiscovernewspeciesthere?”Bobasked(me)if/whethertheycouldexplainhowthenucleardisasterhadhappened.Lauraaskedwhatwecoulddotohelpwildanimals.Vincentsaid/toldmethathehadneverbeentotheAmazonJungle.Vincentsaidif/whetherscientistswoulddiscovernewspeciesthere.I.語序變化：1.直接引語為陳述句：變?yōu)開_____引導(dǎo)的賓語從句2.直接引語為一般疑問句：變?yōu)開________引導(dǎo)的賓語從句3.直接引語為特殊疑問句：變?yōu)開__________引導(dǎo)的賓語從句4.直接引語為一般疑問句或特殊疑問句變?yōu)殚g接引語時要用：__________語序5.特殊句子不變語序的有_______________thatwhether原來的特殊疑問詞主謂/陳述what'swrong?what'sthematter?What'shappening?whathappenedtoyou?II.時態(tài)變化

1.如果主句的謂語動詞是一般現(xiàn)在時或?qū)頃r，間接引語時態(tài)________。2.如果直接引語的內(nèi)容是客觀事實或真理時，間接引語時態(tài)________。3.如果主句的謂語動詞是一般過去時，直接引語變?yōu)殚g接引語時，從句的謂語動詞在時態(tài)方面要做相應(yīng)的變化。不變不變直接引語間接引語一般現(xiàn)在時一般將來時現(xiàn)在進(jìn)行時

現(xiàn)在完成時一般過去時一般過去時

過去將來時過去進(jìn)行時

過去完成時過去完成時3.人稱變化

一隨主、二隨賓、第三人稱不更新。

變化項目直接引語間接引語指示代詞thisthese時間狀語nowtodaythisweek/month…thatthosethenthatdaythatweek/month…4.指示代詞/時間狀語/地點狀語等的變化yesterdaytendays/weeks…agotomorrow/nextyear..

地點狀語here方向性動詞comebringthedaybe