初中九年級英語課件Unit2Lifeisfulloftheunexpected語法

課題：Lifeisfulloftheunexpected.難點名稱：語法（過去完成時）1參賽教師：時間：九年級-下冊-第12單元參賽教師：烏魯木齊第十五中學張燕時間：2020.8.20目錄CONTENTS2導入知識講解課堂練習小節(jié)1.

BythetimeI______,mybrother______________________.gotuphadgottenintheshowernowgotintheshowergotupPastperfecttenseⅠ.導入：2.

BythetimeI__________,thebus____already_____.hadgotoutsideleftnowthebusleftgotoutside3.BythetimeI___________,IrealizedI________mybackpackathome.hadleftgottoschoolnowleftmybackpackathomegottoschool1.構成：had＋過去分詞2.用法：過去完成時可以表示過去某一時刻或某一動作之前完成的動作或呈現(xiàn)的狀態(tài)。也就是說發(fā)生在“過去的過去”。Ⅱ.知識講解：PastPerfectTense過去完成時

一1.規(guī)則動詞的過去式，過去分詞1)一般情況在動詞V原形后+watchededpracticed2)以不發(fā)音e結尾的+3)以輔音加y結尾的,study---4)以重讀閉音節(jié)結尾，末尾只有一個輔音字母,如：stop去y變i+edstudied雙寫尾字母，再+edpedd1.

build_________________make_________________2.speak________________write________________3.

cut_____________bet____________builtbuiltmade

madespokespokenwrotewrittencutcut2不規(guī)則動詞的過去式和過去分詞：ABBABCAAAABA4.

run____________become______________

ranrunbecamebecome

betbet形式多樣，找規(guī)律，分門別類，要牢記！3.與過去完成時連用的時間狀語

1.Ihadfinishedreadingthenovelbynineo’clocklastnight.2.WehadlearnedovertwothousandEnglishwordsbytheendoflastterm.3.TheyhadplantedsixhundredtreesbeforelastWednesday.

before+過去時間by+過去時間bytheendof+過去時間4.過去完成時態(tài)的用法：1)表示過去的過去，通常由when或by引導的短語或者從句作時間狀語或時間狀語從句①Bytheendoflastyear,IhadlearnedaboutonethousandEnglishwords.②Bythetimehewastwenty,hehadwonabouttenmedals.③WhenIgotthere,theyhadalreadyleft.2)常用在賓語從句中①Hetoldmehehadalreadyfinishedhishomework.②Irealizedhehadfooledmeagain.3)體現(xiàn)在上下文中Ididn’tgotothemoviesyesterdaybecauseIhadseenittwice.

Igottoschoolnow8:158:00amTheteachercameintotheclassroomBythetimeI

gottoschool,theteacher

hadcomeintotheclassroom.Ⅲ.課堂練習：MakeasentencewithPastPerfectTense.

6:007:00現(xiàn)在

BythetimeIgotup,mysisterhadalreadywashedalltheclothes.MakeasentencewithPastPerfectTenseIgothomenow9:00pm8:00pmMylittlebrotherwenttobedBythetimeI

got

home,mylittlebrotherhadgone

tobed.MakeasentencewithPastPerfectTense.When

Igottoschool,IrealizedthatIhadleftmybackpackathome.BythetimeIgotbacktoschool,thebellhadrung.Before

Igottothebusstop,thebushadalreadyleft.總結：由when,bythetime,before等引導時間狀語從句時，若描述發(fā)生在過去的事，主句常用過去完成時(had+過去分詞)表示動作發(fā)生在過去的過去。IV.總結與操練

Practice

Fillintheblankswiththecorrectformsofthewordsinthebox.

1.BythetimeIarrivedattheparty,everyoneelse________already_____________.2.Whenheputthenoodlesintoabowl,herealizedhe____________toaddthegreenbeans.3.Bythetimemymothercamebackfromthemarket,I_______already____________thedoortogoformypianolesson.4.Beforeshegottotheairport,she________________abouttheearthquake.5.Whenshe_____________themovietheater,sherememberedshehadforgo