完整六年级四种时态复习及练习.doc

六上英语四种时态的比较概念比较一、一般过去时:表示过去发生过的事情或过去的状态。??一般现在时:表示现在经常发生的事情或现在的状态。?现在进行时:表示现在正在发生的事情。?一般将来时:表示即将发生的事情或将来的状态。二、关键词比较?一般过去时:yesterday,thedaybeforeyesterday,lastSunday/week/month/year,twodaysago/aweekago/threemonthsago/longlongago,justnow,thismorning/afternoon/evening,onSunday/Saturday,in1998,onceuponatime等。?一般现在时:sometimes,usually,often,always,everyweek/year/Sunday,onSundays/Saturdays,inthemorning(s)/afternoon(s)/evening(s),attheweekends,afterschool等。?现在进行时:now,look,listen,it'seighto'clock,she'sintheclassroom等。?一般将来时:tomorrow,thedayaftertomorrow,soon,nextyear/week/month,inafewdays,inthefuture等。三、句子结构比较?一般过去时陈述句(肯定句):主语+was/were+其它。+动词过去式+其它。(否定句):主语+wasn't/weren't+其它。'+助动词didn't+动词原形+其它。':Was/Were+主语+其它??助动词Did+主语+动词原形+其它??特殊疑问句:疑问词+was/were+主语+其它??疑问词+助动词did+主语+动词原形+其它??/Whydidshestayathomeyesterday?/Whendidyougohomeyesterday?一般现在时?+am/is/are+其它。(肯定句)astudent.:主语主语+动词原形或三单形+其它。./(否定句):主语+isn't/amnot/aren't+其它。'+助动词don't或doesn't+动词原形+其它。'tlikewatchingTV./Myfatherdoesn':Am/Is/Are+主语+其它??助动词Do或Does+主语+动词原形+其它??/DoesYangLinggoshoppingonweekends?特殊疑问句:疑问词+am/is/are+主语+其它??疑问词+助动词do或does+主语+动词原形+其它??/Howdoeshespendhisweekends??现在进行时陈述句(肯定句):主语+am/is/are+动词ing形式(现在分词)+其它。(否定句):主语+am/is/are+not+动词ing形式(现在分词)+其它。,thedogisn':Am/Is/Are+主语+动词ing形式(现在分词)+其它?,isHelensinginginthemusicroom?am/is/are+主语+动词ing形式(现在分词)+其它?+特殊疑问句:??一般将来时陈述句(肯定句):主语+am/is/aregoingto+动词原形+其它。'(否定句):主语+am/i