一般过去时和现在完成时.doc

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1、一般过去时1.在确定的过去的时间里所发生的动作或存在的状态。时间状语有：yesterday,lastweek,anhourago,theotherday,in1992，justnow等例如：Itsnowedheavilylastnight.Itwasverycoldyesterday.2.表示在过去一段时间内，经常性或习惯性动作。WhenIwasachild,Ioftenplayedfootballinthestreet.3.句型：1）Itistimeforsbtodosth.“到…..时间了”“该….了”Itistimeforyoutogotobed.你该睡觉了。2）Itis

2、time（that）sbdidsth“时间已经迟了”“早该….了”例如：Itistimeyouwenttobed.你早该睡觉了。4.结构：主+动词过去式+其它否定句：主+didn’t+动词原形+其它一般疑问句：Did+主+动词原形+其它？肯定回答;Yes,主+did.No,主+didn’t.动词变过去式规则：规则变化：1）大多数情况直接+edwork-workedask-asked2)以e结尾的动词只加darrive-arrivedlike-liked3)末尾只有一个辅音字母的重读闭音节，双写这个辅音字母，再加ed.shop-shopped4)辅音字母+y变y为i加ed.car

3、ry-carriedstudy-studied不规则变化;见表练习题：一、写出下列动词的过去式　　isam_________fly_______plant________are________drink_________　　play_______go________make________does_________dance________　　worry________ask_____taste_________eat__________draw________　　put______throw________kick_________pass_______do________

4、二、句型变换　　1Therewasacarinfrontofthehousejustnow.　　否定句：__________________________________________________________　　一般疑问句：__________________________________________________________　　肯定回答：__________________________________________________________　　否定回答：____________________________________________

5、______________　　2Theyplayedfootballintheplayground.　　否定句：__________________________________________________________　　一般疑问句：__________________________________________________________　　肯定回答：__________________________________________________________　　否定回答：_______________________________________

6、___________________三、用所给动词的适当形式填空　　1.I______(watch)acartoononSaturday.　　2.Herfather_______(read)anewspaperlastnight.　　3.We_________tozooyesterday,we_____tothepark.(go)　　4.______you_______(visit)yourrelativeslastSpringFestival?　　5.______he_______(fly)akiteonSunday?Yes,he______.　　6.GaoShan____

7、___(pull)upcarrotslastNationalDayholiday.　　7.I____________(sweep)theflooryesterday,butmymother______.　　8.What_________she_________(find)inthegardenlastmorning?　　She_________(find)abeautifulbutterfly.　　9.It_________(be)Ben'sbirthdaylastFriday　　10.10