九年級英語全冊 Unit 12 Life is full of the unexpected Section A（Grammar Focus4c）課件 （新版）人教新目標(biāo)版.ppt

unit12 sectionagrammarfocus 4c lifeisfulloftheunexpected lookatthefollowingpicturesandtalkaboutwhatyouusuallydointhemorning iamwakenupbytheclock then ibrushmyteeth stillsleepy next ihavebreakfast itakemyschoolbagandleavehome icometothebusstationandwaitfortheschoolbus intheend iarriveatschool 結(jié)構(gòu) had 動詞的過去分詞 用法 1 表示過去某一時間或動作之前已經(jīng)發(fā)生或完成的動作或存在的狀態(tài) 句中常用by before when until等詞引導(dǎo)時間狀語 它是以過去某一時間為起點 所以過去完成時是一個相對的時態(tài) 表示的是 過去的過去 mostoftheguestshadleftwhenhearrivedattheparty 當(dāng)他到達晚會時 他發(fā)現(xiàn)大多數(shù)客人已經(jīng)離開了 2 過去完成時還可表示過去某一時刻之前發(fā)生的動作或狀態(tài)持續(xù)到過去某個時間或持續(xù)下去 常與for since等詞連用 whenjackarrived maryhadbeenawayforalmostanhour 當(dāng)杰克到時 瑪麗已經(jīng)離開快一個小時了 bythetime的用法 bythetime意為 到 時候 為止 1 如果從句中的謂語動詞是一般過去式 那么主句的謂語動詞通常用過去完成時 表示 截止到從句動作發(fā)生時 主句動作已經(jīng)完成 即過去的過去 bythetimeyoucameback ihadfinishedthisbook 你回來時我已經(jīng)把這本書看完了 從句謂語動詞cameback為一般過去時 所以主句動作用過去完成時hadfinished 表示過去的過去 2 如果從句中的謂語動詞為一般現(xiàn)在時或現(xiàn)在完成時 那么從句中的謂語動詞常用將來完成時 表示 截止到將來的某一時刻為止 主句動作將已完成 bythetimeigethome theywillhaveleft 我到家時他們將已經(jīng)離開 bythetimeigraduatenextyear iwillhavelivedhereforfiveyears 到明年畢業(yè)時 我將已經(jīng)在這待了五年了 1 timwentintothebathroom marygotup bythetimemarygotup timhadalreadygoneintothebathroom 4amakesentencesusingbythetimeorbefore 2 thecoffeebecamecold iputcreaminthecoffee beforethecoffeebecomecold ihadputcreamintheit 3 theteachercollectedthemathhomework igottoschool bythetimeigottoschool theteacherhadcollectedthemathhomework 4 icompletedtheworkformyboss theworkdayended beforetheworkdayended ihadcompletedtheworkformyboss 5 themoviestarted iarrivedatthecinema bythetimeiarrived themoviehadstarted 6 mymotherfinishedmakingtheapplepie igothomefrommylanguagecourse bythetimeigothome mymotherhadfinishedmakingtheapplepie bythetimeiarrivedattheparty everyoneelse already 2 whenheputthenoodlesintoabowl herealizedhe toaddthegreenbeans 4bfillintheblankswiththecorrectformsofthewordsinthebox rushoutforgetarriveatgointoshowupfindout had shownup hadforgotten bythetimemymothercamebackfromthemarket i already ofthedoortogotomypianolesson 4 beforeshegottotheairport she abouttheearthquake 5 whenshe themovietheater sherememberedshehadforgottentofeedherdog 6 beforeshegotachancetosaygoodbye he thebuilding rushedout hadforgotten arrivedat hadgoneinto had 4cwritetwotruestatementsandonefalsestatementaboutyourdayyesterday thenaskyourclassmatestoguessthefalsestatement 1 bythetimeileftforschoolinthemorning ihadalreadyhadbreakfast ihadalreadyhadsupper ihadalreadyhadmyhaircut 2 bytheendoftheschoolday 3 bydinnertime ihavegotapresentfromtom ihadhadthesearticlesread ihadfinishedmyhomework ihadhadtoomanyapples ihadeatenplentyofmeat ihavehadallthehouseworkfinished 1 根據(jù)漢語意思完成句子 1 當(dāng)我到達學(xué)校的時候 我才意識到我把書包忘在家里了 igottoschool irealizedthati mybackpackathome 2 到我返回學(xué)校的時候 鈴聲已經(jīng)響過了 igotbacktoschool thebell when had left bythetime hadrung 3 就在我和別的工作人員一起排隊等候的時候 聽到了一個巨大的聲響 asi withtheotherofficeworkers i 4 我到達公共汽車站之前 汽車已經(jīng)離開了 beforei thebusstop thebus 5 我決定先買一杯咖啡 然后再去辦公室 i gouptomyofficewhenidecidedtogetacoffeefirst gotto had alreadyleft wasaboutto waswaitinginline heardaloudsound 2 用所給詞的適當(dāng)形式填空 1 whenigottherethebus go 2 bythetimeigottoclass theteacher start teaching 3 we learn over1 000wordsbytheendoflastterm 4 i clean theroombefo