人教版英语七下U11 A (语法-3b)课件.ppt

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1、Unit11Howwasyourschooltrip?SectionA(Grammar-3b)Grammar知识结构构成用法判断方法动词的过去式1.表示过去某个时间发生的动作或存在的状态。2.表示过去经常或反复发生的动作。利用时间，上下文及其语境等。yesterdaylastnight/weekin1990OnSundaymorning一般过去时1.动词be的变化：waswereamisare2.助动词do的变化：do→did(在过去时里助动词did没有人称和数的变化)如：Didyouplaysocceryesterday?Didheplaysocceryesterday?3.实义动词的变化：

2、实义动词分规则变化和不规则变化。构成规则原形过去式一般在动词原形末尾加-edworkplayworkedplayed结尾是e的动词加-dhopelivehopedlived末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加-edstoptripstoppedtripped结尾是“辅音字母+y”的动词，先变“y”为“i”再加-edstudyworrystudiedworried注：动词过去式不规则变化，需逐个记忆。Writedownthepastformofthesewords.(1)watch-(2)visit-(3)play-(4)live-(5)move-(6)decide-(7

3、)study-(8)copy-(9)cry-(10)stop-(11)plan-(12)drop-(14)am/is-(15)go-(16)do-(17)put-(18)get-(19)take-watchedvisitedplayedlivedmoveddecidedstudiedcopiedcriedstoppedplanneddroppedwaswentdidputgottookam(is)→wasare→were肯定句：Hewasathomeyesterday.否定句：Hewasn’tathomeyesterday.疑问句：Washeathomeyesterday?Yes,hewas.

4、/No,hewasn’t.肯定句：主语+动词过去式+其它Igotothemovie.→Iwenttothemovie.否定句：主语+助动词didn’t+动词原形+其它Idon’tgotoschooltoday.→Ididn’tgotoschool.一般疑问句：Did+主语+动词原形+其它?Doeshehavebreakfast?→Didhehavebreakfast?Yes,hedoes./No,hedoesn’t.Yes,hedid./No,hedidn’t.everydayyesterdayIgethomeat5:00everyday.Jackseesamovieeveryday.S

5、hebuyslunchintheshopeveryday.Therearemanypeopleinourschooleveryday.Igothomeat5:00yesterday.Jacksawamovieyesterday.Sheboughtlunchintheshopyesterday.Thereweremanypeopleinourschoolyesterday.Igothomeat5:00yesterday.Jacksawamovieyesterday.Sheboughtlunchintheshopyesterday.Thereweremanypeopleinourschooly

6、esterday.Didyougethomeat5:00yesterday?Yes,Idid.No,Ididn’t.DidJackseeamovieyesterday?Yes,hedid.No,hedidn’t.DidShebuylunchintheshopyesterday?Yes,shedid.No,shedidn’t.Weretheremanypeopleinourschoolyesterday?Yes,therewere.No,thereweren’t.变成一般疑问句并进行肯定和否定回答口头翻译上面各个句子。waswentseegoDidwasDidDidgotplayedatewen

7、thadwasclimbedsawworrieddidn’tcameI.用适当的词填空1.How___yourschooltrip?Itwasgreat.2.How_____youyesterday?3.TodayisMonday.Yesterday___Sunday.4.What___youdothedaybeforeyesterday?____yourideahorselastweek?was