Unit11Howwasyourschooltrip?SectionAzxxkwGrammar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zxxkw1.动词be的变化:waswereamisare•2.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?zxxkw3.实义动词的变化: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。zxxkwWritedownthepastformofthesewords.(1)watch-(2)visit-(3)play-(4)live-(5)move-(6)decide-(7)study-(8)copy-(9)cry-(10)stop-(11)plan-(12)drop-(14)am/is-(15)go-(16)do-(17)put-(18)get-(19)take-watchedvisitedplayedlivedmoveddecidedstudiedcopiedcriedstoppedplanneddroppedwaswentdidputgottookzxxkwam(is)→wasare→were肯定句:Hewasathomeyesterday.否定句:Hewasn’tathomeyesterday.疑问句:Washeathomeyesterday?Yes,hewas./No,hewasn’t.zxxkwzxxkw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,zxxkwzxxkweverydayyesterday•Igethomeat5:00everyday.•Jackseesamovieeveryday.•Shebuyslunchintheshopeveryday.•Therearemanypeopleinourschooleveryday.Igothomeat5:00yesterday.Jacksawamovieyesterday.Sheboughtlunchintheshopyesterday.Thereweremanypeopleinourschoolyesterday.zxxkwzxxkwIgothomeat5:00yesterday.Jacksawamovieyesterday.Sheboughtlunchintheshopyesterday.Thereweremanypeopleinourschoolyesterday.Didyougothomeat5:00yesterday?Yes,Idid.No,Ididn’t.DidJackseeamovieyesterday?Yes,hedid.No,hedidn’t.DidShebuylunchintheshopyesterday?Yes,shedid...