動詞過去式變化規(guī)則課件

一般過去時態(tài)第1頁/共23頁什么是一般過去時？動詞的一般過去時態(tài)表示過去發(fā)生的動作、情況或存在的狀態(tài)。一般過去時態(tài)是通過動詞時態(tài)變化來表現(xiàn)的第2頁/共23頁

的變化規(guī)則動詞過去式第3頁/共23頁1、

一般情況下在詞尾直接加ed。如：play―playedwork―worked一、規(guī)則動詞的變化第4頁/共23頁2、以e結(jié)尾的動詞只加d.

如：like----likedlove----loved第5頁/共23頁輕讀/t/,重讀/d/;/t//d/之后讀/id/規(guī)則動詞詞-ed的讀音說明：1、清念/t/

，即ed在清輔音后面念/t/,

例：finishedhelpedpassedcooked2、元濁/d/,即ed在元音，濁輔音后面念/d/,

例：borrowedenjoyedcalledmoved

3、/t//d/之后念/id/,即ed在/t//d/音后面念/id/

例：wantedshoutedneededcounted第6頁/共23頁3、以“輔音字母+y”結(jié)尾的動詞，變y為i，再加ed.

如：study―(studied)carry―(carried)第7頁/共23頁4、以重讀閉音節(jié)結(jié)尾的動詞，如果末尾只有一個輔音字母，要雙寫最后這個輔音字母，再加ed.

如：stop―(stopped)plan-(planned)第8頁/共23頁第9頁/共23頁如果重讀在第一個音節(jié)處,不雙寫加ed.

如:

visit----(visited)

offer----(offered)第10頁/共23頁

washtheclothesrowaboatvisitgrandparentsanswerthephone

cleantheroomwatertheflower

watchTVplaythefootball

climbamountainreturn

learnchinesejump

第11頁/共23頁

washedtheclothesrowedaboatvisitedgrandparentsansweredthephone

cleanedtheroomwateredtheflower

watchedTVplayedthefootball

climbedamountainreturned

learnedchinesejumped

第12頁/共23頁二、不規(guī)則動詞的變化如：am/is----wasare----werebuy----boughthave----had第13頁/共23頁____you________(remember)tobuytheorangesyesterday?2.Who________(play)computergamesyesterday.3.We_____(go)tothecinemalastnight.Thefilm_____(be)verygood.4.Whattime____you____(get)toschoolthismorning?5.Jim___(do)alotyesterday.He____(go)shoppingand______(cook)supper.Didrememberplayedwentwasdidget用動詞的適當(dāng)時態(tài)填空didwentcooked第14頁/共23頁6.Heusually____(get)upat6inthemorning.Look!He______(get)upnow.Butyesterdayhe____(get)upverylate,sohe____(go)toschoollate.He___(be)lateforschool.getsisgettinggotwentwas第15頁/共23頁Seeyou!第16頁/共23頁lastnightweekmonthMondayyesterdaymorningafternooneveningthedaybeforeyesterday用于一般過去時的時間狀語1.與last

連用2.與yesterday

連用：第17頁/共23頁行為動詞一般過去時的否定式一般過去時的否定式是在動詞原形前加助動詞didnot(didn’t).主語+didn’t+動詞原形I

_________

themthenews.I____(tell)themthenewsyesterday.didn’t

telltold第18頁/共23頁行為動詞一般過去時的疑問式一般過去時的一般疑問式在句首加助動詞didDid+主語+動詞原形……？They______(finish)theirworkatfour.一般疑問句:____they_____theirworkatfour?Yes,they_____.No,they_____.finishedDidfinishdiddidn’t第19頁/共23頁行為動詞一般過去時的疑問式一般過去時的特殊疑問式疑問詞+did+主語+動詞原形……？Theyfinishedtheirwork

atfour.AB

對劃線部分提問A:B:What

did

they

doatfour?When

did

they

finishtheirwork?第20頁/共23頁T注意1.外加助動詞did后,動詞須返回原形。Didhewenttoschoolyesterday?Didhegotoschoolyesterday?F2.簡略回答用助動詞did/didn’t代替行為動詞。Didhefindtheboyyesterday?－Yes,hedid.－No,hedidnot(didn’t).第21頁/共23頁GrammarFocus一般過去時:表示過去某個時間發(fā)生的動作或存在的狀態(tài).標(biāo)志詞Yesterdayyesterdaymorningoneday

lastyeartwodaysagoin1999句子結(jié)構(gòu)肯定句否定句疑問句1)主語+行為動詞的過去式

+其它.2)主語+be動詞的過去式(was,were)+其它.3)Therewas/were+主語+其它.1)主語+didn`t+行為動詞原