外研版英语九年级上册六大时态复习 学习案

　 外研版九年级上册六大时态复习 　一、一般现在时 1. 用法： 表示经常性或习惯性的动作或存在的状态。与often, always, usually, sometimes, once a week, every day等表示频度的副词和时间状语连用。 （2）表示客观事实或普遍真理。 （3）在时间、条件等状语从句中，用现在时表示将来。 2. 时间状语：always, usually, often, sometimes, every week (day, year, month...), once a week, on Sundays, 3. 基本结构：动词 原形 （如主语为第三人称单数，动词上要加（e）s） 4. 否定形式：am/is/are+not;此时态的谓语动词若为行为动词，则在其前加don＇t,如主语为第三人称单数，则用doesn＇t，通常还原行为动词。 5. 一般疑问句：把be动词放于句首；用助动词do提问，如主语为第三人称单数，则用does，同时，还原行为动词。 6. 例句：It seldom snows here. He is always ready to help others. Action speaks louder than words. 讲透例题 1、—What does your mother do to keep healthy, Tim — She usually _____. A. swim B. swims C. is swimming D. to swim 2、--What‘s his brother —He is a teacher. He _____maths at a school. A.taught B.has taught C.teaches D.will teach 答案：1.B 2. C 二、一般过去时 1 .用法： 表示过去某时间发生的动作或存在的状态。 表示过去的习惯或经常发生的动作。 2.时间状语：ago, yesterday, the day before yesterday, last week(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc. 3.基本结构：be动词；行为动词过去式源:] 4.否定形式：was/were+not;在行为动词前加didn＇t，同时还原行为动词。 5.一般疑问句：was或were放于句首；用助动词do的过去式did 提问，同时还原行为动词。 6.例句：She often came to help us in those days. I didn＇t know you were so busy. 讲透例题 例1　I don't remember when and where I _____ this umbrella. A.buy B.have bought C.will buy D.bought 例2 -- When _____ you _____ here -- Two days ago. A. did;come B. have; come C. will; come D. do; come 答案：1.D 2. A 三、一般将来时 1. 用法 (1)表示将来发生的动作或存在的状态，其构成是will+动词原形。常与表示将来的时间状语连用。如：tomorrow, next week, in a few days, next Sunday。 be going to +动词原形。表示计划、打算做某事，表示已决定很可能发生的事。 Be doing表示将来 时间状语：tomorrow, soon, next week/ month/ year..., in a week, in 2030, in + 一段时间, one day, in the (near) future, etc 基本结构：(1) will 或 shall + 动词原形 (2) be going to +动词原形 go , come , start, move, sail, leave, arrive ,stay 等可用进行时态表示按计划即将发生的动作。例如： I’m leaving for Beijing. 我要离开北京了。 在时间或条件句中, 用现在时表示将来。例如： When Bill comes （不是will come）, ask him to wait for me. 比尔来后，让他等我。 讲透例题 例1�———Where is your brother —He has gone to Beijing. He back in three days. A. will come B. comes C. has come D. came 例2 If I have enough money, I _____ a school bus to help the poor children go to school. A. buy B. bought C. will buy 答案：1.A 2. C 四、现在进行时 1. 用法： (1)表示此时此刻正在进行的动作。表示现阶段正在进行的动作或持续的状态。 (2)Go,leave,arrive,start等动词的现在进行时表示将来。 2. 时间状语： now, right now, at present, at this time, at the/this moment, these days, look! L ... ...