常见八种时态标志词.pptx

1、常见八种时态标志词常见八种时态标志词1.一般现在时一般现在时n谓语用动词原形do或第三人称单数does形式。n标志词有：every day,every Sunday,often,always,usually,sometimes,on Sundays,in the morning,on weekdays,once a week等等n2.现在进行时现在进行时am/is/are+doing形式。n标志词：now,at this time,at present,句首有Look!,Listen!Hurry！等警示语n3.一般过去时一般过去时用动词的过去式did标志词有：yesterday,last we

2、ek,last month,last year,时间段+ago,two years ago，in 1979，the day before yesterday,just now=a moment ago刚才（与现在无关的明确过去时间）4.过去进行时过去进行时：was/were+doing 标志词：at that moment,at this time of yesterday,at eight last night,the whole afternoon.n5.一般将来时一般将来时用will do/be going to do.标志词：tomorrow,tomorrow morning,in t

3、he future,next week,next Sunday,in+一段时间，soon=right=at once很快，立刻.6.过去将来时：过去将来时：would dowould do 没有什么标志词，通常用在从句里。I didnt know if he would come.n7.现在完成时现在完成时 has/have donen标志词：already,yet,ever曾经,never从未,just刚刚(与现在有关的模糊过去时间）,before，in the past 5 years,so far,up to now,two times,for+时间段，since+时间点或从句n8.过去完成时过去完成时 had donen标志词：by/by the end of+过去时间，by the year 2010.n如无标志词可根据句意，上下文，其他动词形式判断.