六上英语四种时态的比较一、概念比较一般过去时：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,the?day?after?tomorrow,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。eg.Iwasastudenttenyearsago.主语+动词过去式+其它。eg.ShevisitedBeijinglastyear.陈述句（否定句）：主语+wasn’t/weren’t+其它。eg.Theyweren’tatschoolyesterday.主语+助动词didn’t+动词原形+其它。eg.Mikedidn’tgotoschoolyesterday.一般疑问句：Was/Were+主语+其它？eg.Wereyouathomethismorning?助动词Did+主语+动词原形+其它？eg.DidhewatchTVjustnow?特殊疑问句：疑问词+was/were+主语+其它？eg.WherewasNancythreedaysago?疑问词+助动词did+主语+动词原形+其它？eg.WhatdidyoudolastSunday?/Whydidshestayathomeyesterday?/Whendidyougohomeyesterday?一般现在时陈述句（肯定句）：主语+am/is/are+其它。eg.Iamastudent.主语+动词原形或三单形+其它。eg.SheoftenreadsEnglish./Weusuallygowalkingintheevening.陈述句（否定句）：主语+isn’t/amnot/aren’t+其它。eg.Theyaren’tatschooleveryday.主语+助动词don’t或doesn’t+动词原形+其它。eg.Myparentsdon’tlikewatchingTV./Myfatherdoesn’tlikecooking.一般疑问句：Am/Is/Are+主语+其它？eg.IsLiuTaoyourfriend?助动词Do或Does+主语+动词原形+其它？eg.Doyouusuallyhavelunchatschool?/DoesYangLinggoshoppingonweekends?特殊疑问句：疑问词+am/is/are+主语+其它？eg.Howoldareyou?疑问词+助动词do或does+主语+动词原形+其它？eg.Howdoyouspendyourweekends?/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。eg.ThestudentsarehavinganEnglishlessonnow.陈述句（否定句）：主语+am/is/are+not+动词ing形式（现在分词）+其它。eg.Look,thedogisn’tsittinginfrontofthedoor.一般疑问句：Am/Is/Are+主语+动词ing形式（现在分词）+其它?eg.Listen,isHelensinginginthemusicroom?特殊疑问句：疑问词+am/is/are+主语+动词ing形式（现在分词）+其它?eg.Whataretheydrawingnow?一般将来时陈述句（肯定句）：主语+am/is/aregoingto+动词原形+其它。eg.I’mgoingtowatchafilmtomorrow.陈述句（否定句）：主语+am/is/are+notgoingto+动词原形+其它。eg.Sheisn’tgoingtohaveapicnicnextSunday.一般疑问句：Am/Is/Are+主语+goingto+动词原形+其它?eg.Areyourclassmatesgoingtoplayfootballsoon?特殊疑问句：疑问词+am/is/are+主语+goingto+动词原形+其它?eg.Whenistheteachergoingtoteachusthesong?注：无论是哪个时态，都有如下原则：1.有助动词do,does或did，实意动词（行为动词）用原形。（简略：见助动，用原形）2.有情态动词can,could,should,must,might,will,would等，实意动词用原形。2.有be动词，要么不能出现实意动词，要么实意动词用ing形式。（简略：be动、实动不同用，要么be动配现分）六年级英语专项练习班级姓名一、用所给词的适当形式填空。1.LastSaturday,it__________(rain).2.He__________(write)anemailtohisfriendnow.3.Don’t__________(run)intheclassroomnow.4.LiuTao__________(bring)somebreadyesterday.5.Wewent__________(fish)withmyfriendsthismorning.6.Mikecouldn...
