英语时态标志词
(1)、一般现在时
结构:主+be(am/islare)+其他/主+实义动词+其他/主+情态动词+动原+其他标志词: often, always, usually, sometimes , every week (day/year/month . ..),once a week , on Sunda ys , on weekd ays，from time to time
(2)、一般将来时
结构:主+will/shall+其他/主+be going to +其他/主+be+动J-ing+其他...标志词: tomorrow,in the futur e,next week , next Sunda y, the day aftertomorrow,in+ 一段时间,soon,from now on
(3)、一般过去时
结构:主+be(was/ were)+其他/主+动词过去式+其他/
标志词:一段时间＋ago,yesterday, in 1945,at that time, once，during the war,before,in the past , the day befor e yeste rday, last week(yearl night/ month ...),just now, at the age of 5, one day, long long ago, once upon a time，thismorning，a moment ago
(4)、现在完成时
结构:主+have/has+动词过去分词+其他
标志词:ever, never , since, alrea dy， yet, just, before , twice, once ,three times,at the momen t, at prese nt/for+时间段;since+时间点/常见的副词: lately,
recently，up to now , till now ,so far, these days，in the past few years (month s/ weeks / days)
(5)、现在进行时
结构:主+be(amlis/are)+动词现在分词+其他
标志词: now,at the momen t !at this time ,these days ,Look!Listen!
(6)、过去进行时
结构:主+be(was/ were)+动词现在分词+其他
标志词: at that moment, at this time of yeste rday, at eight last night , at 8:00amyesterday，at this time last night ,at that time
(7)、过去完成时
结构:主+had+动词过去分词+其他
标志词: by the end of last year (term, month ...)，过去完成时常用在 told，said，knew,heard等词后的宾语从句或间接引语中，这时从句中的动作发生在主句表示的过去的动作之前。
(8)、过去将来时
结构:主+would /shoul d+其他/主+was/were going to +其他
标志词:the next day /morni nglyear，the follo wing year/week/month
