2024届高三英语一轮复习常用时态课件

概念:因为时间和状态不同,发生V.变形的一种语法现象 时态 时间+状态=时态 时间 现在 过去 将来 状态 一般态 进行态 完成态 完成进行态 一般现在时:不受时间限制的客观存在,指经常发生的动作或存在的状态。 一般现在时 I am a teacher. The sun rises from the east. 时间状语:always, usually, regularly, every morning, sometimes, occasionally, from time to time, twice a week, rarely, seldom… 是与现在没有联系的时态,只强调过去的事实,不强调与现在的关系。 一般过去时 时间状语:yesterday, last year, once upon a time(从前), in the past (在过去,以往), the other day (前几天), two days ago, etc. I am a teacher. I eat an apple. (1)shall/will do (2)be going to (3)be to do sth (4)be about to do sth.= be on the point of doing (5)现在进行时表将来。如come, go,arrive,leave,begin,start等,其现在进行时表示按计划、安排近期要发生的事。 eg: I am leaving for Beijing next month. 6)一般时态表将来。少数用于表动作起止的动词:go, come, leave, start, arrive, begin等有时。 eg: The plane for Beijing takes off at 9∶30. 一般将来时 表示此时此刻或现阶段正在进行的动作 现在进行时 I am doing my homework. He is singing. 表示过去在某一时间段或某一段时间内正在发生或进行的动作。 过去进行时 I was doing my homework when my mother came in. He was singing from seven to nine last night. 表示在将来的某一个时间点或时间段正在发生的动作。 将来进行时 This time next day I will be doing my homework . When I get home, my mother will probably be doing cooking. 表示一个动作开始于过去,持续到现在(也许还将持续下去)。 现在完成时 时间状语: already,just (刚刚),yet,never, lately,recently, during/in/over the last (past) few years/months/weeks(在过去的这年/月/周里) ,since then,up to now,so far(至今) since+时间点,for+时间段, 等等。 I have already finished my homework. He has written 8 books so far. 表示从过去某一时间开始,一直延续到过去的另一时间的动作 过去完成时 时间状语: by/until then, by/until/before/by the end of+“表过去的某一时间”。 By then he had written 8 books. She had learned some English before she came to the school. 表示在将来某一时间以前已经完成或一直持续的动作。 将来完成时 时间状语: in+时间段, before + 时间点/时间段, by/until/before/by the end of+“表将来的某一时间”。 We shall(will) have learned 12 units by the end of this term. In six months' time, I will have graduated from university. 表示动作从过去某一时间开始,一直持续到现在,或者刚刚终止,或者可能仍然要继续下去。 现在完成进行时 She has been playing tennis since she was eight. It has been raining for two hours. (现在还在下) I have written an article.我已写完了一封信。(已写完,强调动作完成)