问题标题:
初中英语八大时态有哪些
问题描述:

初中英语八大时态有哪些

陆继明回答:
  一、一般现在时:   1.概念:经常、反复发生的动作或行为及现在的某种状况.   2.时间状语:always,usually,often,sometimes,everyweek(day,year,month...),onceaweek,onSundays,   3.基本结构:动词原形(如主语为第三人称单数,动词上要加(e)S)   4.否定形式:am/is/are+not;此时态的谓语动词若为行为动词,则在其前加don't,如主语为第三人称单数,则用doesn't,通常还原行为动词.   5.一般疑问句:把be动词放于句首;用助动词do提问,如主语为第三人称单数,则用does,同时,还原行为动词.   6.例句:Itseldomsnowshere.   Heisalwaysreadytohelpothers.   Actionspeakslouderthanwords.   二、一般过去时:   1.概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为.   2.时间状语:ago,yesterday,thedaybeforeyesterday,lastweek(year,night,month…),in1989,justnow,attheageof5,oneday,longlongago,onceuponatime,etc.   3.基本结构:be动词;行为动词   4.否定形式:was/were+not;在行为动词前加didn't,同时还原行为动词.   5.一般疑问句:was或were放于句首;用助动词do的过去式did提问,同时还原行为动词.   6.例句:Sheoftencametohelpusinthosedays.   Ididn'tknowyouweresobusy.   三、现在进行时:   1.概念:表示现阶段或说话时正在进行的动作及行为.   2.时间状语:now,atthistime,thesedays,etc.   3.基本结构:am/is/are+doing   4.否定形式:am/is/are+not+doing.   5.一般疑问句:把be动词放于句首.   6.例句:Howareyoufeelingtoday?   Heisdoingwellinhislessons.   四、过去进行时:   1.概念:表示过去某段时间或某一时刻正在发生或进行的行为或动作.   2.时间状语:atthistimeyesterday,atthattime或以when引导的谓语动词是一般过去时的时间状语等.   3.基本结构:was/were+doing   4.否定形式:was/were+not+doing.   5.一般疑问句:把was或were放于句首.   6.例句:AtthattimeshewasworkinginaPLAunit.   Whenhecamein,Iwasreadinganewspaper.   五、现在完成时:   1.概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态.   2.时间状语:recently,lately,since…for…,inthepastfewyears,etc.   3.基本结构:have/has+done   4.否定形式:have/has+not+done.   5.一般疑问句:have或has提前   6.例句:I'vewrittenanarticle.   Ithasbeenrainingthesedays.   六、过去完成时:   1.概念:以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”.   2.时间状语:before,bytheendoflastyear(term,month…),etc.   3.基本结构:had+done.   4.否定形式:had+not+done.   5.一般疑问句:had放于句首.   6.例句:Assoonaswegottothestation,thetrainhadleft.   Bytheendoflastmonth.Wehadreviewedfourbooks   七、一般将来时:   1.概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事.   2.时间状语:tomorrow,nextday(week,month,year…),soon,inafewminutes,by…,thedayaftertomorrow,etc.   3.基本结构:am/is/are/goingto+do;will/shall+do.   4.否定形式:was/were+not;在行为动词前加won't,同时还原行为动词.   5.一般疑问句:be放于句首;will/shall提到句首.   6.例句:Theyaregoingtohaveacompetitionwithusinstudies.   Itisgoingtorain.   八、过去将来时:   1.概念:立足于过去某一时刻,从过去看将来,常用于宾语从句中.   2.时间状语:thenextday(morning,year…),thefollowingmonth(week…),etc.   3.基本结构:was/were/goingtodo;would/should+do.   4.否定形式:was/were/not+goingto+do;would/should+not+do.   5.一般疑问句:was或were放于句首;would/should提到句首.   6.例句:HesaidhewouldgotoBeijingthenextday.   Iaskedwhowasgoingthere.
查看更多
英语推荐
热门英语推荐