動詞過去式變化規(guī)則課件市公開課一等獎省賽課微課金獎課件

Conversation:Howaboutyourlastweekend?Whatdidyoudoduringtherestdays?動詞過去式改變規(guī)則課件第1頁第1頁普通過去時態(tài)動詞過去式改變規(guī)則課件第2頁第2頁什么是普經(jīng)過去時？動詞普經(jīng)過去時態(tài)表示過去發(fā)生動作、情況或存在狀態(tài)。普經(jīng)過去時態(tài)是經(jīng)過動詞時態(tài)改變來表現(xiàn)動詞過去式改變規(guī)則課件第3頁第3頁

改變規(guī)則動詞過去式動詞過去式改變規(guī)則課件第4頁第4頁1、

普通情況下在詞尾直接加ed。如：play―playedwork―worked一、規(guī)則動詞改變動詞過去式改變規(guī)則課件第5頁第5頁2、以e結尾動詞只加d.

如：like----likedlove----loved動詞過去式改變規(guī)則課件第6頁第6頁輕讀/t/,重讀/d/;/t//d/之后讀/id/規(guī)則動詞詞-ed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動詞過去式改變規(guī)則課件第7頁第7頁3、以“輔音字母+y”結尾動詞，變y為i，再加ed.

如：study―(studied)carry―(carried)動詞過去式改變規(guī)則課件第8頁第8頁4、以重讀閉音節(jié)結尾動詞，假如末尾只有一個輔音字母，要雙寫最終這個輔音字母，再加ed.

如：stop―(stopped)plan-(planned)動詞過去式改變規(guī)則課件第9頁第9頁動詞過去式改變規(guī)則課件第10頁第10頁假如重讀在第一個音節(jié)處,不雙寫加ed.

如:

visit----(visited)

offer----(offered)動詞過去式改變規(guī)則課件第11頁第11頁

washtheclothesrowaboatvisitgrandparentsanswerthephone

cleantheroomwatertheflower

watchTVplaythefootball

climbamountainreturn

learnchinesejump

動詞過去式改變規(guī)則課件第12頁第12頁

washedtheclothesrowedaboatvisitedgrandparentsansweredthephone

cleanedtheroomwateredtheflower

watchedTVplayedthefootball

climbedamountainreturned

learnedchinesejumped

動詞過去式改變規(guī)則課件第13頁第13頁二、不規(guī)則動詞改變如：am/is----wasare----werebuy----boughthave----had動詞過去式改變規(guī)則課件第14頁第14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用動詞適當初態(tài)填空didwentcooked動詞過去式改變規(guī)則課件第15頁第15頁6.Heusually____(get)upat6inthemorning.Look!He______(get)upnow.Butyesterdayhe____(get)upverylate,sohe____(go)toschoollate.He___(be)lateforschool.getsisgettinggotwentwas動詞過去式改變規(guī)則課件第16頁第16頁Seeyou!動詞過去式改變規(guī)則課件第17頁第17頁lastnightweekmonthMondayyesterdaymorningafternooneveningthedaybeforeyesterday用于普經(jīng)過去時時間狀語1.與last

連用2.與yesterday

連用：動詞過去式改變規(guī)則課件第18頁第18頁行為動詞普經(jīng)過去時否定式普經(jīng)過去時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動詞過去式改變規(guī)則課件第19頁第19頁行為動詞普經(jīng)過去時疑問式普經(jīng)過去時普通疑問式在句首加助動詞didDid+主語+動詞原形……？They______(finish)theirworkatfour.普通疑問句:____they_____theirworkatfour?Yes,they_____.No,they_____.finishedDidfinishdiddidn’t動詞過去式改變規(guī)則課件第20頁第20頁行為動詞普經(jīng)過去時疑問式普經(jīng)過去時特殊疑問式疑問詞+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?動詞過去式改變規(guī)則課件第21頁第21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).動詞過去式改變規(guī)則課件第22頁第22頁GrammarFocus普經(jīng)過去時:表示過去某個時間發(fā)生動作或存在狀態(tài).標志詞Yesterdayyesterdaymorningoneday

lastyeartwodaysagoin1999句子結構必定句否定句疑問句1)主語+行為動詞過去式

+其它.2)主語+be動詞過去式(was,were)+其它.3)Therewas/were+主語+其它.1)