时态复习精讲(一般现在时、现在进行时、将来时、过去式).ppt

* 这种时态连用的时间状语常有： always, often, never, seldom, usually, once, a week, now 等。 1 、表示经常性或习惯性动作 e.g. It seldom snows here. 2 、表示现在的特征或状态 e.g. He is always ready to help others. 3 、普遍真理 e.g. Action speaks louder than words. 4 、剧情图片介绍，背景说明，动作解说 e.g. (Tom enters the room_and_sits at the table) Doctor ： What`s your trouble, young man? Tom ： I`ve caught a cold, doctor. 肯定句形式 I go to school on foot every day. She goes to school on foot every day. 一般疑问句形式: Do you jump high? Yes, I do. / No, I don’t. Does he jump high? Yes, he does. / No, he doesn’t. 否定句形式： We don’t go to school on Sundays. My mother doesn’t like watching TV in the evening. 5 、时间、条件、让步、方式状语从句表将要发生的动作时。 e.g. Tomorrow we shall go for an outing unless it rains. . 说话时正在进行的动作或者当前一段时间内正在进行的动作 形式： be + verb +ing eg: I am(not) doing my homework. You/We/They are(not) reading. He/She/It is(not) eating. 动词 —ing 的形式 Most verbs +ing walk—walking Verbs ending in e -e + ing come—coming Short verbs ending in a vowel + a consonant run –running swim—swimming 1、表示将要发生的动作或情况。常与tonight, tomorrow, the day after tomorrow, next week, in three hours, two days later 等连用 2、其它结构表将来情况的区别： 一般将来时态 ：主要从时间的角度表将要发生的动作或情况。 A.be going to 结构：①表（主观上）打算或准备做某事时。 ②表有发生某事的预兆时。 e.g. They are going to have a competition with us in studies. It is going to rain. B.be about to do sth 结构：意为“刚要做某事”、“马上要做某事. e.g. We are about to discuss this problem. C.be to do sth 结构： 表示按计划、安排、规定将实施某事或表示注定会发生某事。 e.g. When is the train to leave. 与这个时态连用的时间状语常有： yesterday, last night, the other day, two months ago, in 1985, then, just now, when, after, as soon as 引导的时间状语从句，表示主句动作开始的时间。 1 、表示过去某个时间发生的动作或