时态分为
1.一般现在时 经常反复发生的动作；现在的情况；永恒的真理；
he gets up at six./ the sun rises in the east.
还可以表示将来的情况：the plane takes off at 9:20 am.
还有一些从句中的 if i see nancy i will ask her.
i hope that you feel better soon.
表示过去 he says he can not wait any longer.
2.现在进行时 表示现在进行的动作和发生的事情
what are you doing
i am reading a play by shaw.
表示将来发生的动作：
i am meeting peter tonight.he is taking me to the theatre.
从句中的未来情况：
you can do some reading while you are waiting for the train.
表示经常的性的动作：
he is always losing his keys.
3.一般将来时.表示将来要发生的事情.
i will be on duty at six.
特定搭配:
i think ...will i think they will succeed.
shall用于第一人称后 构成问句 询问对方意见
where shall we go for our holiday?
4.(1)一般过去时 1.表示一个过去发生的动作或存在的状态
i got know her in 1998.
主要用于叙述性文字例如 小说 故事.
(2) 过去进行时 2.表示过去某时的一个动作正在进行.过去时间有一个状语表示出来.
what were you doing when i rang you up?
5.现在完成时 1.表示过去的事情对现在事情的影响 或者 延 续,往往于现在有的情况有联系.the rain has already stopped.
he has not seen you for ages.
she has found a new job.
how long has he been ill?
现在完成进行时 2.表示一个持续到现在的动作
i have been waiting for an hour and he still has not turned up.
how long have you been wearing glasses?
we have been seen her since 1998.
6.过去完成时 1.表示过去的过去的已经发生的事情
when i arrived jane had just left.
she found she had left her case on the train.
过去完成进行时 2.表示持续到过去某时的一个动作
he was tired.he had been working since dawn.
7.过去将来时 表示从过去观点看将要发生的事情
it was four o'clock .soon the sun would come up.
i knew you would agree .
8.时态的呼应 某些从句的动词的时态往往受到主句动词时态的制约.
i thought you were free.
先写这么多了
高中学英语 背课文最有效.注意改错.拿个小本记下 犯过的错误 多读 .
累啊 - -!