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1、-常见时态的标志词(重点现在完成时) (1)-第 3 页常见时态的标志词(重点现在完成时)一般现在时：do / does (被动：is / am / are done)often, usually, always, sometimes, never, seldom, every week/day/year/month., once a week, on Sundays一般过去时：did (被动：was / were done)ago, yesterday, the day before yesterday, last week/year/night/month., in 1989, just
2、now, at the age of five, one day, ago, long ago, once upon a time, then(那时), on that day, in the past现在进行时：is / am /are doing (被动：is / am / are being done)now, at this time, these days, Listen! Look! at this moment/time过去进行时：was / were doing (被动：was / were being done)at this time yesterday，at that t
3、ime或when + 一般过去时从句, at 1:00 last night现在完成时：has / have done (被动：has / have been done)recently(the recent years), already, before, just(刚刚，just now用一般过去时),ever(曾经), never, (as) yet(迄今为止), lately, so far,for+时段, since+时间点(since引导的句子用一般过去时时态),(up to) these days/weeks/months/years, ever since(从那时到现在), t
4、ill/until now, up to now/present, since then, once, twice, three/four times., on several occasions, during/in/overthe (last/past) (few)days/weeks/months/years, in the past, Its the first/ second / . / lasttime that过去完成时：had done (被动：had been done)before, by the end of last year/term/month.(与将来完成时比较)
5、一般将来时：will do (被动：will be done)tomorrow, next day/week/month/year., soon, in a few minutes, by., the day after tomorrow, in the future过去将来时：would do (被动：would be done)the next day/morning/year.,the following month/week. 将来完成时：will have done (被动：will have been done)by the end of next week/term/month.(与过去完成时比较)