八年级英语上册时态复习

1、语法专项 II动词一 . 动词是表示动作或处于某种状态的词， 它分为行为动词， 系动词、 助动词和情态动词，动词种类多，变化又复杂，是学习英语的难点之一，下面根据动词的特点进行归类，并提供一些辨别方法，以便于理解和掌握。1. 行为动词在动词中数量最多， 它含有实在的意义 （又叫实义动词） ，表示动作或状态，在句中可以单独作谓语，行为动词又分为及物动词和不及物动词，及物动词后面必须加宾语，意义才完整，不及物动词后面不能直接带宾语，常需要在宾语前加介词才能带宾语。eg:We study English very hard.She has a book in her hand.The sun ris

2、es in the east.2. 连系动词本身有一定词义， 但不能独立作谓语， 必须与表语一起构成谓语， 常见的连系动词有： be, look, sound, get, become 等。eg:My parents are both farmers.The milk tastes terrible.The song sounds good.3. 助动词本身无词义，不能独立作谓语，必须和主要动词构成谓语，表示疑问，否定，时态或其它语法形式。常见的助动词有：be, have, do, will, shall 等。eg:Do you have a brother?Have you got an E

3、nglish-Chinese dictionary?I didn t go to the cinema yesterday.4. 情态动词本身有词义， 但不能独立作谓语， 只能和主要动词一起构成谓语， 表示说话者的语气和情态，情态动词没有人称和数的变化，情态动词本身可以构成疑问和否定，常见的情态动词有： can, may, must, will, shall, need 等。eg: Can you sing the English song?Everyone must get to school on time.二 . 动词的时态：（一）时态概述：作谓语的动词用来表示动作（情况）发生时间的各种

4、形式称为时态，英语中的时态，就是通过特殊的动词词尾或加一些相关的助动词 be, have（ has）等，用来表示动作或事件发生的不同时间和方面。eg: He reads newspapers every day.He read the newspaper yesterday.He is going to read the newspaper tomorrow.（二）一般现在时：1. 动词变化：一般现在时主要用动词原形表示，但第三人称单数后要加词尾-s，另外 be和 have 有特殊的人称形式。在加词尾 -s 时要注意：情况加法例词一般情况加 -sreads, writes, says以 ch,

5、 sh, s, x, 或 o 收尾的词加 -esteaches, washes, guesses, fixes,goes以“辅音字母 +y ”结尾的词变 y 为 i 再加 -estry triescarry carries读音：情况读法例词在 ptkf等清辅音后 shelps, hates, asks, laughs在 sz td 3 等音后 izfaces, rises,wishes, watches,urges在其他情况下 zplans, cries, shows2. 一般现在时主要表示：（ 1 ）经常性或习惯性的动作，常与这样的时间状语连用：sometimes 等eg: We alway

6、s help each other.It often snows in winter.I get up early every morning.always, often,usually,（ 2）表示主语现在的特征、性格、能力等。eg: He loves sports.Jane is an outgoing girl.Tom and Tim both have medium height.（ 3）表示客观、普遍真理eg:Two and four makes six.Water boils at 100 The moon moves round the earth.3. 一般现在时的疑问句一般以

7、在句首加助动词does，其他加do，这时动词一概用原形；动词eg: Do you like English?do， does 的方式构成。第三人称单数加 be 只需与主语位置对调就行了。Do they have story books?What does she do every evening?Is she at home?Are you good at English?e 结尾的动词，先去掉take takingsuffer suffering spend spendingdo doing4. 一般现在时的否定式是 do not（ don t）或 does not （ doesn t）动词

8、原形来构成的，be 动词做谓语动词只需在be 后加 not 构成否定。eg:I don t like oranges at all.She doesn t work inhet TV station.They aren t students.I m not busy every weekend.三 .现在进行时：1. 动词变化：现在进行时由“am /is /are动词现在分词”构成。加-ing的规则如下：（ 1）一般在动词原形末尾加-ing 。如：stay stayinglisten listening work workinglook looking（ 2）以不发音的字母e，再加 -ing。

9、如：make makinggive giving please pleasingride ridingrefuse refusingclose closingoperate operating（ 3）以一个辅音字母结尾的重读闭音节词，先双写这个辅音字母，再加put puttingsit sittingrun runningwin winning-ing 。如：begin beginning2. 现在进行时的用法（ 1）表示说话时正在进行或发生的动作，这时可以不用时间状语，也可以和present, at the moment 等时间状语连用。有时用一个动词，如look （看），now, atli

10、sten（听）。eg: What are you reading now?Listen! Someone is singing in the classroom.（ 2）表示当前一段时期的活动或现阶段正在进行的动作。eg: They are working in a factory these days.More and more people are giving up smoking.（ 3）表示最近按计划或安排要进行的动作。现在进行时有时可表示一个在最近按计划或安排要进行的动作，即可以用来代替将来时。eg: When are you leaving?Are you going to Ti

11、bet tomorrow?3. 现在进行时的否定句和疑问句比较简单。否定句在句把 be 动词移到主语前。be（am, is, are）后面加not；疑问eg:I am not working.What are you reading now?How are you feeling today?The train isn t arriving soon.四 . 一般过去时：1. 动词变化： 一般过去时主要表示过去的动作或状态， 在句中由主语动词的过去式来表达。构成规则原形过去式一般在动词末尾加 -edworkworkedplantplantedplayplayed结尾是 e 的动词在末尾加 -d

12、likelikedlivelivedchangechanged末尾只有一个辅音字母的重plan（计划）planned读闭音节词， 先双写这个辅音stopstopped字母，再加 -eddropdropped以辅音字母加 y 结尾的，先变 carrycarriedy 为 i 再加 -edstudystudiedcrycried否定式疑问式否定疑问式简单回答I did not work.Did I work?Did I not work?Yes, you did.No, you didn t.You did not work.Did you work?Did you not work?Yes, I

13、 did.No, I didn t.He / She / It did not Did he / she / it work? Did he / she / itnot Yes, he / she / it /did.work.work?No, he /she /it didn t.We did not work.Did we work?Did we not work?Yes, you did.No, you didn t.You did not work.Did you work?Did you not work?Yes, we did.No, we didn t.They did not

14、work.Did they work?Did you they not work? Yes, they did.No, they didn t.2. 一般过去时的基本用法：（ 1）带有确定的过去时间状语时，要用过去时。 （ eg: yesterday, last year, just now, twodays ago, in the old days 等）eg: He left just now.Lei Feng was a good soldier.What did you have for breakfast this morning?（ 2）表示过去某一段时间内经常或反复发生的动作，这时

15、常和表示频度的状语连用。eg: Last term we often did experiments.He always went to work by bus.五 . be going to 表示一般将来1. 用法：表示现在打算在最近或将来要做的事，或表示说话人根据已有的迹象认为很有可能要发生的事情，be 随着人称的变化变成（am, is, are）eg: We are going to have a new subject this year.It s going to rain this afternoon.I m going to be a pilot when I grow up.2

16、. be going to的否定句在be 动词后加上not；be going to的疑问句把be 动词移到主语前。eg:He isn t going to sees hibrother tomorrow.I m not going to tell you about it.Who s going to use it?Is your sister going to bring your lunch?What are you going to do next Sunday.【模拟试题】 （答题时间： 70 分钟）一 . 改错：例 1：The rose dark red. The rose is dark red.1. He very likes swimming.2. He can helps you.3. We haven t a good time.4. What are you do after school every day?5. Sometimes I listen music. sometimes I play outside.6. The fish smells not good.7. We should buy some chicken. There are little