《小學(xué)英語一般過去時-(3)課件.ppt》由會員分享，可在線閱讀，更多相關(guān)《小學(xué)英語一般過去時-(3)課件.ppt（28頁珍藏版）》請在匯文網(wǎng)上搜索。

1、名詞變復(fù)數(shù)變化規(guī)則(一)規(guī)則變化名詞單數(shù)變復(fù)數(shù)，直接加-s占多數(shù)；s,x,z,ch,sh來結(jié)尾，直接加上-es；詞尾是f或fe，加-s之前先變ve；輔母+y在詞尾，把y變i再加-es；詞尾字母若是o，常用三個已足夠，要加-es請記好，hero,tomato,potato。(二)不規(guī)則變化男人女人a變e，鵝(goose)足(foot)牙(tooth)oo變ee；老鼠(mouse)虱婆(louse)也好記，ous變ic；孩子加上ren，魚鹿綿羊不用變。一般過去時的用法與結(jié)構(gòu)詳解時態(tài)和時間表示：pastnowfuture3規(guī)則動詞regularverbs不規(guī)則動詞irregularverbs4規(guī)則動

2、詞過去式的構(gòu)成1、一般在動詞末尾加、一般在動詞末尾加 ed （掌握）（掌握）look Walkpaintplay cleanVisitWantcoughwatch look edWalkedpaintedplay ed cleanedVisitedWantedcoughedwatched62、結(jié)尾是、結(jié)尾是 e 的動詞只加的動詞只加-d (了解了解)live hope uselived hoped used7 3.重讀閉音節(jié)詞，重讀閉音節(jié)詞，先先雙寫雙寫這個輔音字母，再加這個輔音字母，再加ed stopPatstoppedPatted(掌握掌握)84.以以“輔音字母輔音字母+y”結(jié)尾的詞，結(jié)尾

3、的詞，先變先變“y”為為“i”再加再加ed study WorryEarlyHappystudyied WorryiedEarlyiedHappyied9不規(guī)則動詞過去式的構(gòu)成1.過去式與原形一樣(了解)letlet（讓）（讓）putput(放下）放下）cut cut（砍，剪）（砍，剪）readread（讀）（讀）letlet（讓）（讓）putput(放下）放下）112.把元音字母變成“a”comecame（掌握）givegaveBecomebecamedrinkdrank（了解）beginbegan12剩余不規(guī)則動詞剩余不規(guī)則動詞表剩余不規(guī)則動詞表InfinitivePastTense am

4、,is are dogohavemakegetInfinitivePastTenseeatsaysee was were didwenthadmadegotatesaidsaw14一般過去時肯定句變否定句Be動詞類否定句實義動詞類161（be動詞類）在表示過去存在的狀態(tài)狀態(tài) 的句子中在was,were的后面加上not。如：肯定句：Hewasintheparkthedaybeforeyesterday.否定句：Hewasnotintheparkthedaybeforeyesterday.肯定句：Wewerebusylastweek.否定句：Wewerenotbusylastweek.172（行為

5、動詞類）要在行為動詞的前面加助動詞didnt.然后把動詞過去式改為動詞原形。即：didnt+動詞原形肯定句：Sheplayedtheviolinlastnight.否定句：Shedidntplaytheviolinlastnight.肯定句：Theyswaminthelakeyesterday.否定句：Theydidntswiminthelakeyesterday.18一般過去時否定句練習(xí)肯定句:Theymadeakiteaweekago.否定句：Theydidntmakeakiteaweekago.肯定句：Hewasillyesterday.否定句：Hewasnotillyesterday.

6、肯定句：Thecatateabirdlastnight.否定句：Thecatdidnteatabirdlastnight.19一般過去時的一般疑問句1.把was,were放在句首，其余位置不變。（1）He was born in Shanghai.Was he born in Shanghai?(一般疑問句)Yes,he was.(肯定回答)No,he wasnt.(否定回答)21一般過去時一般過去時1一般過去時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)，常和表示過去的時間狀語連用。Yesterday(昨天)，lastnight（昨天晚上），lastweek(上周)LastSunday（

7、上周日）in1990justnow（剛才）,longlongago（很久以前）22（2）TheywereinLiYanshomelastnight.WeretheyinLiYanshomelastnight?（一般疑問句）Yes,theywere.(肯定回答)No,theywerent.(否定回答)23一般過去時一般疑問句及其肯否定回答一般過去時一般疑問句及其肯否定回答練習(xí)題練習(xí)題1.Theyhadagoodtimeinthepark.一般疑問句：Didtheyhaveagoodtimeinthepark?肯定/否定回答：Yes,theydid.No,theydidnt.242.Anndidh

8、erhomeworkyesterdayevening.一般疑問句：DidAnndoherhomeworkyesterdayevening?肯定/否定回答：Yes,shedid.No,shedidnt.253.IreadanEnglishbooklastweek.一般疑問句：DidyoureadanEnglishbooklastweek?肯定/否定回答：Yes,Idid.No,Ididnt.264.Mybrotherwasintheparkjustnow.一般疑問句：Wasyourbrotherintheparkjustnow?肯定/否定回答：Yes,hewas.No,hewasnt.27一般過去時練習(xí)題Herfather_(read)anewspaperlastnight.We_(go)tothezooyesterday._you_(visit)yourrelativeslastSpringFestival?_he_(fly)akiteonSunday?Yes,he_.It_(be)BensbirthdaylastFriday.Weall_(have)agoodtimelastnight.He_(live)inWuxitwoyearsago.Thecat_(eat)abirdlastnight.readwentDidvisitwashadlivedateDidflydid28