1、Module1时态总结一 一般现在时1.构成: (1) be: am/is/are (2) do: do/does2.标志词:always, usually, often, sometimes, never, every day /week /month/year/二、一般过去时态1.构成：（1）be: was/were (2) do: did2.标志词:yesterday, the day before yesterday, three days ago, last night/week/month, in the past；just now=a moment ago三、一般将来时1.构成：
2、（1）will be/do (2) be going to be/do2.标志词：tomorrow, the day after tomorrow, in three days, in (the) future, next week/month/term, from now on.四、现在进行时1.构成：am/is/are v-ing2.标志词：now, at the moment, Look! Listen! Be quiet！3.注意（1）下列这些动词一般不用于现在进行时态的句子中：see, hear, like, love, want, would like, be，have, know
3、, think, forget等 （2）有几个瞬间动词可以用现在进行时表将来,如：begin, start, come, go, leave, arrive五、过去进行时1.构成： was/were v-ing2.标志词：at that time, this time yesterday, then, at that moment, at 8 last night, when sb. did sth.注意在含有when或while引导的时间状语从句的主从复合句中过去进行时的运用： 1）主句中的动作先于从句中的动作发生，且进行的时间较长时，主句用过去进行时（从句用一般过去时）。 eg: When
4、 the UFO arrived, I was watching TV. 2）从句中的动作先于主句中的动作发生，且进行的时间较长时，从句用过去进行时（主句用一般过去时）。 eg: While I was walking in the street, the accident happened. 3) 若主、从句动作同时发生或无所谓先后时，主从句可同时使用过去进行时，此时的时间状语从句一般由while引导。 eg: I was doing my homework while my parents were doing the chores. 注意：在上述情况下，若动词为表示状态的延续性动词，一般
5、都应用一般过去时，而不用过去进行时。 eg: Luckily, when I went to see him, he was at home.六、现在完成时1.结构：(1)be: have/has been (2)do: have/has done2.标志词：already, just, yet, ever, never, so far(till now/up to now), recently, in the past 3 years, before, since+时间点,for+时间段注意延续性动词与非延续性动词的用法 非延续性动词不可与表示一段的时间状语连用。 eg: The poor
6、old man has died. (T) The poor old man has died for three years. (F) The poor old man has been dead for three years. 但在否定句中，可以与表示一段的时间状语连用。 eg: He hasnt come here for several days. 非延续性动词与一段时间状语连用可采用下述三种方法： 1）将非延续性动词转化为延续性动词： come be here, go be there, die be dead, borrow keep, buy have, leave be away, join be in/be a member, begin to study study, finish be over, get up be up, put on wear, catch a cold have a cold, wake up be awake, fall asleep be asleep, arrive/get be, lose not have, leave be away from
