初中英语时态讲解

初中英语时态讲解
初中英语时态讲解

初中英语时态讲解

初中阶段,要求学生掌握动词六种时态的基本结构(一般现在时,一般过去时,现在进行时,过去进行时,现在完成时和一般将来时态)及它们的主要用法和区别。了解过去将来、过去完成时态的基本用法,解题时注意找出关键词,正确判断出时态,按时态结构正确变化动词。注意句子时态

的一致性,注意对特殊时态的处理。

1、一般现在时。

一般现在时通常表示目前阶段经常发生的动作或存在的状态。通常用“usually, often, every day, sometimes”。

结构:

1)be动词。有一顺口溜:我用am ,你用 are ,is 用于他,她,它, 单数is,复数are.

肯定式:主语+ am /is/are +其他

否定式:主语+ am/is/are +not + 其他

疑问式:Am /Is /Are + 主语+ 其他?

简略回答: (肯) Yes,主语 + am/ is /are

(否) No,主语 + am /is/are not

2)行为动词(实义动词)除主语是第三人称单数外,都用动词原形,主语是第三人称单数时,在动词词尾加-s或-es 。

“动词第三人称单数”的加法即“如何从动词原形变为第三人称单数”

1、一般情况加s.

2、以o, s, x, ch, sh 结尾加es.

3、以“辅音字母+y”结尾改y为

i +es

肯定式:主语+动词原形/动词的第三人称单数

否定式:主语+助动词 don't/doesn't +动词原形+其他

疑问式:Do/Does+主语+动词原形+其他

简略回答:(肯)Yes,主语+do/does (否)No,主语+do/does not

缩写形式: don't == do not doesn't ==does not 注意:have的第三人称单数为has 用法:

1.表示事实,现状,性质或经常的,习惯的动作,常与often, usually, always, sometimes, today,every day,once a week, every five minutes, on Sundays等时间状语连用, eg. He has

a brother.

2.表示普遍真理. eg. The earth goes round the sun.

3.表示在现在时间里所发生的一个动作 . eg. Here comes the train.

4.在时间和条件状语从句中代表一般将来时 . eg.I'll go with you if you are free tomorrow.

一般现在时用法专练:

一、用括号内动词的适当形式填空。

1. He often ________(have) dinner at home.

2. Daniel and Tommy _______(be) in Class One.

3. We _______(not watch) TV on Monday.

4. Nick _______(not go) to the zoo on Sunday.

5. ______ they ________(like) the World Cup?

二、改错(划出错误的地方,将正确的写在横线上)

1. Is your brother speak English? __________________

2. Does he likes going fishing? __________________

3. He likes play games after class. __________________

4. Mr. Wu teachs us English. __________________

5. She don’t do her homework on Sundays. _________________

2、现在进行时。

通常用“now/look/listen”.

1.现在进行时表示现在正在进行或发生的动作,也可表示当前一段时间内的活动或现阶段正在进行的动作。

2.现在进行时的结构:.

肯定句:主语+be(is,am,are ) +动词现在分词-ing

eg: I am(not) doing my homework.You/We/They are(not) reading.

否定句:主语+be(is,am,are )+not + 动词现在分词-ing

一般疑问句:Is(Are)+主语+动词现在分词-ing?

特殊疑问:疑问词+ be + 主语 + 动词ing?

3.动词加ing的变化规则

1)一般情况下,直接加ing,如:cook-cooking

2)以不发音的e结尾,去e加ing,如:make-making, taste-tasting

3)如果末尾是一个元音字母和一个辅音字母,双写末尾的辅音字母,再加ing,

如:run-running, stop-stopping,swim—swimming

4. 现在进行时专项练习:用所给的动词的正确形式填空:

1.The boy __________________ ( draw)a picture now.

2. Listen .Some girls _______________ ( sing)in the classroom .

3. My mother _________________ ( cook )some nice food now.

4. What _____ you ______ ( do ) now?

5. Look . They _______________( have) an English lesson .

6.______Helen____________(wash )clothes? Yes ,she is .

3、一般过去时态

一般过去时通常用“a moment ago, just now, yesterday, last…”等。

1.一般过去时表示过去某个时间发生的动作或存在的状态,常和表示过去的时间状语连用。一般过去时也表示过去经常或反复发生的动作感谢。

2.Be动词在一般过去时中的变化:

⑴am 和is在一般过去时中变为was。(was not=wasn’t)

⑵are在一般过去时中变为were。(were not=weren’t)

⑶带有was或were的句子,其否定、疑问的变化和is, am, are一样,即否定句在was或were 后加not,一般疑问句把was或were调到句首。

4.动词过去式的变化:

不规则动词的变化:

原形过去式原形过去式原形过去式原形过去式sweep swept teach taught have had go went keep kept think thought do did find found sleep slept buy bought eat ate say said feel felt drink drank is/am was take took read read give gave are were mean meant put put sing sang drive drove meet met cut cut begin began speak spoke make made let let ring rang write wrote see saw fly flew run ran ride rode come came draw drew sit sat hear heard tell told

grow grew learn learned/

learnt

get got know knew

5.特殊疑问句:

⑴疑问词+did+主语+动词原形?如: What did Jim do yesterday?

⑵疑问词当主语时:疑问词+动词过去式?如:Who went to home yesterday?

过去时练习:

一、用be动词的适当形式填空

1. I _______ at school just now.

2. He ________ at the camp last week.

3. We ________ students two years ago.

4. They ________ on the farm a moment ago.

5. Yang Ling ________ eleven years old last year.

6. It ______ Ben’s birthday last Friday.

二、用行为动词的适当形式填空

1. He _________ (live) in Wuxi two years ago.

2. The cat ________ (eat) a bird last night.

3. We _______ (have) a party last Halloween.

4. Nancy ________ (pick) up oranges on the farm last week.

5. I ________ (make) a model ship with Mike yesterday.

6. He _______ football now, but they _______ basketball just now. (play)

7. _______ they ________ (sweep) the floor on Sunday? No, they _____.

三、中译英

1.格林先生去年住在中国。

2. 昨天我们参观了农场。

4.过去进行时:

肯定句:主语+助动词be (was,were)+动词现在分词-ing+其它

否定句:主语+助动词be (was,were)+not+动词现在分词-ing+其它

一般疑问句:Was(Were)+主语+动词现在分词-ing+其它?

特殊疑问句:疑问词+was(were)+动词现在分词-ing+其它?

用法:

1、表示在过去某一时间正在进行的动作,往往有表示过去的时间状语then, at that time, this time yesterday等,或与过去发生的某事同时发生的动作(即与when, while引出的时间状语从句连用)。

例:They were talking about a film at six yesterday evening. 昨晚6点他们正在谈论一部电影。

What were you doing at this time last week? 上周的这个时候你在干什么?

When the teacher came in, they were talking. 老师进来时,他们在讲话。

2、表示在过去某一段时间内进行的动作。

例:They were swimming from two to three yesterday afternoon.

She was watching TV the whole morning.

3、表示过去将要发生的动作。

例:He said he was leaving on Tuesday. 他说他周二动身。

Tom said he was going tomorrow. 汤姆说他明天去。

过去进行时练习题:

一、动词填空。

1.John_______(work) all day yesterday.

2.—What______you _______(do) at ten o'clock yesterday﹖

—I_______(studay) in class.

3.When Harry _______(have) breakfast Lily _______(telephone) him.

4.When I ________ (go) to school this morning I ______ (see) a car running into a bus.

6. This time yesterday Jack ______ (mend) his bike.

7. I ______ (write) a letter at ten last night.

8. It was six. The Greens ______ (have) supper.

9. When you ______ (knock) at the door yesterday,I ______ (do) some washing.

10. While my mother ______ (watch) TV, I ______(make) a kite.

4、一般将来时

概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事。句中一般有以下时间状语:tomorrow, next day(week, month, year…),soon, the day after tomorrow(后天)等。

1.基本结构:①主语+be (is,am,are)going to +动词原形.

②主语+will+ 动词原形.

2.否定句:①主语+be (is,am,are)+not +going to +动词原形.

②主语+will+not(won’t)+动词原形.

例如:I’m going to have a picnic this afternoon.→ I’m not going to ha ve a picnic this afternoon.

3.一般疑问句:①Is(Are)+主语+going to +动词原形.+?

②Will+主语+动词原形+?

例:We are going to go on an outing this weekend.

→ Are you going to go on an outing this weekend?Yes,we are. No, we aren’t.

Will he go to Beijing next week? Yes,he will. No,he won’t.

4.对划线部分提问。一般情况,一般将来时的对划线部分有三种情况。

1). 问人。Who 例如:I’m going to New York soon. →Who’s going to New York soon.

2). 问干什么。What … do.例如:My father is going to watch a race with me this afternoon. →What is your father going to do with you this afternoon.

3). 问什么时候。When.例如:She’s going to go to bed at nine. →When is she going to bed?

5同义句:be going to = will I am going to go swimming tomorrow(明天). = I will go swimming tomorrow.

一、练习:填空。

1. 我打算明天和朋友去野炊。I_____ _______ _________ have a picnic with my friends. I ________ have a picnic with my friends.

2. 下个星期一你打算去干嘛? 我想去打篮球。What ________ ________ _________ _________ _________ next Monday? I _______ ______ _____ play basketball. What _________ you do next Monday? I ________ play basketball.

3. 你妈妈这个周末去购物吗?是,她要去买一些水果。_____ your mother _______ ________ go shopping this ___________? Yes, she _________. She ______ ________ __________ buy some fruit.

4. 你们打算什么时候见面。What time _______ you _________ __________ meet?

二、用所给词的适当形式填空。

11. Today is a sunny day. We ___________________ (have) a picnic this afternoon.

12. My brother _______________ (go) to Shanghai next week.

13. Tom often ______________(go) to school on foot. But today is rain. He ______________ (go) to school by bike.

14. What do you usually do at weekends? I usually __________ (watch) TV and ____________(catch) insects?

15. It’s Friday today. What _____she _________ (do) this weekend? She ______________ (watch) TV and

_____________ (catch) insects.

16. What ___________ (d0) you do last Sunday? I ____________ (pick) apples on a farm. What ______________ (do) next Sunday? I ______________ (milk) cows.

17. Mary ____________ (visit) her grandparents tomorrow.

18. Liu Tao ____________ (fly) kites in the playground yesterday.

19. David ______________ (give) a puppet show next Monday.

20. I ________________ (plan) for my study now.

6. 现在完成时

构成:肯定句:主语+助动词have(has)+动词过去分词-ed

否定句:主语+助动词have(has)+not(haven’t,hasn’t)+动词过去分词-ed

一般疑问句:Have(Has)+ 主语+动词过去分词-ed+?

特殊疑问句:疑问词+have(has)+ 主语+动词过去分词-ed+?

用法:1、表示说话之前已完成的动作,而且这个动作的结果对现在是情况仍有影响。常被just,already,yet 等副词修饰。

Mr. Wang has just come back from America. 王先生刚从美国回来。

2.现在完成时还可用来表示过去发生的动作一直延续到现在,常带有for或since 等表示一段时间的状语。

如:Mr Wang has lived here since 1983.

3.现在完成时瞬间动词即终止性动词不能与表示一段时间的状语连用。

常见终止性动词与延续性动词(或状态动词) 的对应关系如下:

come / go / arrive / get / reach / move--- be in/at

open --- be open die --- be dead

close --- be closed become ---be

borrow --- keep put on --- wear

buy --- have leave ----- be away (from)

begin / start ----- be on fall asleep ---- be asleep

end/finish ----- be over catch a cold ----- have a cold

join the army ---- be in the army, be a soldier

join the Party---- be in the Party , be a Party member

例:吉姆买这支已有两年了。

Jim bought this pen two years ago.

Jim has had this pen for two years.

Jim has had this pen since two years ago.

Jim has had this pen since 2007

It is two years since Jim bought this pen.

4.在表示“最近几世纪/ 年/ 月以来……”时间状语中,谓语动词用现在完成时。

in the past few years/months/weeks/days;over the past few years; during the last three months; for the last few centuries, through centuries; throughout history 等

5.表示“第几次做某事,”或在“It is the best (worst, most interesting ) +名词+that” 后面跟现在完成时。

例:This is my first time that I have visited China.

This is the most interesting film I have ever seen.

That is the only book that he has written.

6. have / has been to + 地点意为“曾去过某地”,暗含目前已不在该地,仅表示当事人的一种经历而已。

have / has gone to + 地点“到了某地去了”,暗含“已离开原地去了某地”之意,但是否到达了某地尚不确定。

如:He has gone to Shanghai. 他去了上海。

He has been to Shanghai. 他去过了上海。

1、Miss Green isn't in the office . she_______ to the library .

A.has gone B. went C.will go D. has been

2、My parents ______ Shandong for ten years .

A. have been in B. have been toC. have gone to D. have been

3、The students have cleaned the classroom, ?

A. so they

B. don’t they

C. have they

D. haven’t they

4、His uncle for more than 9 years.

A. has come here

B. has started to work

C. has lived there

D. has left the university

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一、一般现在时: 概念:经常、反复发生的动作或行为及现在的某种状况。 时间状语:always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays, etc. 基本结构:①be动词; ②行为动词 否定形式:①am/is/are+not; ②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,同时还原行为动词。 一般疑问句: ①把be动词放于句首; ②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。在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式,即常在动词原形后加-s或-es。 一、人称代词he, she, it是第三人称单数。如: He likes watching TV. 他喜欢看电视。 She has lunch at twelve. 她十二点吃午餐。 It looks like a cat. 它看起来像只猫。(口诀:I用am,you用are,is用于她他它,单数名词用is,复数名词都用are)

二、单个人名、地名或称呼作主语;是第三人称单数。如: ①Han Mei looks like her mother. 韩梅看起来像她的母亲。 ②Beijing is in China. 北京在中国。 ③Uncle Wang often makes cakes. 王叔叔经常做蛋糕。 三、单数可数名词或"this / that / the+单数可数名词"作主语时,是第三人称单数。如: ①A horse is a useful animal. 马是有用的动物。 ②This book is yours. 这本书是你的。 四、不定代词someone, somebody, nobody, everything, something等及指示代词this, that 作主语时,是第三人称单数。如: ①Everyone is here. 大家到齐了。 ②There is something wrong with the watch. 这块手表有毛病。 五、不可数名词作主语时为第三人称单数。如: ①The milk is in the g lass. 牛奶在玻璃杯里。 ②The bread is very small. 那面包很小。 六、当数字或字母作主语时,看作第三人称单数。如: ①"6" is a lucky number. "6"是个吉利数字。 【练习】

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初中英语时态综合讲解训练 学习英语时态的意义: 英汉两种语言在时态表达方式上有很大的差异: 如,“他经常帮助我。”“他昨天帮助我了。”和“他一直在帮助我。”这三句话当中,汉语的动词“帮助”没有任何变化,而是用“经常”、“一直”和“昨天”分别表达出时间的区别。 英语就不同,它必须用动词本身的形态变化来完成任务。 He often helps me. 他经常帮助我。 He helped me yesterday. 他昨天帮助我了。 He has been helping me. 他一直在帮助我。 在这几句中,动词help的意义没有变化,但形态变了. 我们初中英语需要掌握多少个时态呢? 一.初中英语常见的八种时态 1 一般现在时 1)经常性或习惯性的动作,常与表示频度的时间状语连用。 时间状语:often ,usually, always, every day/week…, sometimes, at…, on Sunday。 例如:I leave home for school at 7 every morning. 每天早上我七点离开家。 提醒:当第三人称单数作主语时,别忘了动词的变化 He usually goes to school by bike. 2)客观真理,客观存在,科学事实。例如: The earth moves around the sun. 地球绕太阳转动。 Shanghai lies in the east of China. 上海位于中国东部。 3)表示格言或警句。例如: Pride goes before a fall. 骄者必败。 注意:此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。 例:Columbus proved that the earth is round. 哥伦布证实了地球是圆的。 2 一般过去时 1)在确定的过去时间里所发生的动作或存在的状态。时间状语有:yesterday, yesterday morning/afternoon/evening, last week/month/year, an hour ago, the other day, in 1982等。 例如:Where did you go just now? 刚才你上哪儿去了? 2)表示在过去一段时间内,经常性或习惯性的动作。 例如:When I was a child, I often played football in the street. 我是个孩子的时候,常在马路上踢足球。 Whenever the Browns went during their visit, they were given a warm welcome.

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二、一般过去时: 概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为。 时间状语:a g o,y e s t e r d a y, t h e d a y b e f o r e y e s t e r d a y,l a s t w e e k(y e a r,n i g h t, m o n t h),i n1989,j u s t n o w,a t t h e a g e o f5,o n e d a y, l o n g l o n g a g o,o n c e u p o n a t i m e,e t c. 基本结构:①b e动词;②行为动词 否定形式:①w a s/w e r e+n o t;②在行为动词前加 d i d n t,同时还原行为动词。 一般疑问句:①w a s或w e r e放于句首;②用助动词 d o的过去式d i d提问,同时还原行为动词。 三、现在进行时: 概念:表示现阶段或说话时正在进行的动作及行为。 时间状语:n o w,a t t h i s t i m e,t h e s e d a y s,e t c. 基本结构:a m/i s/a r e+d o i n g 否定形式:a m/i s/a r e+n o t+d o i n g. 一般疑问句:把b e动词放于句首。 四、过去进行时: 概念:表示过去某段时间或某一时刻正在发生或进

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1)经常性或习惯性的动作,常与表示频度的时间状语连用。 例如:I leave home for school at 7 every morning. 每天早上我七点离开家。 2)客观真理,客观存在,科学事实。 例如:The earth moves around the sun. 地球绕太阳转动。 Shanghai lies in the east ofChina. 上海位于中国东部。 3)表示格言或警句。 例如:Pride goes before a fall 骄者必败。 注意:此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。 例如:Columbus proved that the earth is round. 哥伦布证实了地球是圆的。 4)现在时刻的状态、能力、性格、个性。 例如:I don't want so much. 我不要那么多。

Ann writes good English but does not speak well.安英语写得不错,讲的可不行。 5)一般现在时表示将来含义。 a. 下列动词come, go, arrive, leave, start, begin, return 的一般现在时可以表示将来,主要用 来表示在时间上已确定或安排好的事情。 例如:The train leaves at six tomorrow morning. 火车明天上午六点开。 When does the bus star? It stars in ten minutes. 汽车什么时候开?十分钟后。 b. 在时间或条件句中。 例如:When Bill comes (不是will come), ask him to wait for me. 比尔来后,让他等我。 I'll write to you as soon as I arrive there. 我到了那里,就写信给你。

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英语中的八大时态

定义:表示主语反复、经常、习惯性的动作。 句型结构 1.S+V 1.be 2.实义动词(行为动词) (在肯定句中,在实义动词前加do/does 用来表示强调,以加强句子的语气) 2.否定句主语+don’t / doesn't+动词原形+其他 3.一般疑问句 Do / Does+主语+动词原形+其他 4.肯定回答 Yes,主语+do / does 5.否定回答 No,主语+don’t / doesn't 用法 1.表示主语的特征或状态。 2.表示客观真理和客观事实。 3.在以when+句子,as soon as+句子,not…until, if+句子的句型中,用主将从现。 4.在以here , there 开头引导的倒装句中,通常采用一般现在时表示正在发生的动作。时间状语(标志词) 1. every+表时间n. on +星期 2. 频率副词always usually often sometimes seldom never 3. in the moring / afternoon / evening 形式 1一般情况下,在动词末尾+s。 2以s x sh ch结尾的动词+es。 3以辅音字母加y结尾的动词,把y改为i 加es。 4以o结尾的单词有生命的+s没生命的加es。 5特殊的be 改为am is are。

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初中英语动词时态和语态讲解

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