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英语八大时态讲解

2023-08-09 来源:独旅网
英语八大时态讲解

英语八大时态: 一般现在时 一般过去时 一般将来时

现在进行时 过去进行时 现在完成时 过去完成时 过去将来时 一、 一般现在时

标志:动词原形 情况 变形方法 读音 清辅音后读/s/ 浊辅音和元音后读/z/ 读/z/ 读/iz/ 读/z/ 例词 swim--swims help--helps like--likes go--goes do--does watch--watches wash--washes study--studies have--has be--am/is/are 一般情况 +s 辅音字母+o结尾 s/sh/ch/x等结尾 辅音字母+y结尾 特殊情况:have和be动词 +es +es 变y 为i+es 变have 为 has 变be为am/is/are 1. 表示经常性或习惯性动作,常与表频度的时间状语连用:

She often speaks English.

I leave home for school at 7 every morning. 造句练习:孩子们通常不喜欢家庭作业。

2. 表示现在的状态、特征、职业、能力、感觉等:

He seems to feel a bit down today. He works as a driver.

造句练习:她英语说得好。

3. 表示真理、客观存在、科学事实或用于格言警句中:

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Shanghai lies in the east of China.

Columbus proved that the earth is round. Where there is a will, there is a way. 造句练习:地球绕太阳转动。 4. 表示现在瞬间的动作:

Here comes the bus! 5. 表示将来

1) 表按规定、计划、安排将要发生的动作(仅限于某些表示“来、去、动、停、开始、

结束、继续”等的趋向动词),可以与表示未来的时间状语搭配使用。常见的用法是:飞机、火车、轮船、汽车等定期定点运行的交通状况。如: The next train leaves at 3 o’clock this afternoon. How often does the shuttle bus run?

2) 在时间和条件状语从句中常使用一般现在时表示将来发生的事情:

When Bill comes (不用will come), ask him to wait for me. I shall go there tomorrow unless I’m too busy.

【练习题】

① Nowadays, a large number of women, especially those who from the countryside, ___ in the

clothing industry. A. is working B. works C. work D. worked

② –What would you do if it ___ tomorrow?

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--We have to carry it on, since we’ve got everything already. A. rain B. rains C. will rain D. is raining

二、 一般过去时

标志:动词过去式 情况 一般情况 不发音e结尾 辅音字母+y结尾 变形方法 +ed +d 变y为i+ed 例词 work—worked live—lived carry—carried study—studied supply—supplied plan—planned stop—stopped prefer—preferred regret—regretted flee—fled fly—flew run—ran break—broke 重读闭音节结尾且结尾只有一个辅音字母 双写最后的辅音字母+ed 特殊情况 不规则 *闭音节:元音字母a, e, i, o, u如果发字母本来的音则称为开音节,否则称为闭音节。

1. 表示过去某时所发生的动作或存在的状态,常与表示过去的时间状语连用(e.g. yesterday,

this morning, just now, a moment ago, in May, last night / year / week, once upon a time, the other day, before ?, when ?, in the past等)。如: Jim rang you just now.

Liu Ying was in America last year.

2. 表示过去经常或反复发生的动作,特别是used to do表达的句型,本身表示的就是过去

常常。如:

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When I was a kid, I often played football in the street. She used to visit her mother once a week.

*注意区分sb. used to do sth.(某人过去常常做某事,此处to是动词不定式标志符号)和sb. be used to sth./doing sth.(某人习惯于某物/做某事,此处to是介词)。

3. 代替一般现在时,表示一种婉转、客气、礼貌、商量的语气。此用法仅适用于少数动词

(如want, hope, wonder, think, intend等)及情态动词could, would。如: I wondered if you could have a word with me. I hoped you could help me with my English. Would you mind my sitting here? 4. 虚拟语气中用一般过去时表示现在或将来时间的动作或状态。常用句型有:

It is time that sb. did sth. “某人该做某事了” would rather sb. did sth. “宁愿某人做某事” 造句练习:

你该上床睡觉去了。 我宁愿你明天过来。

【练习题】

Scientists think that the continents ___ always where they ___ today. A. aren’t ; are B. aren’t ; were C. weren’t ; are D. weren’t ; were

三、 一般将来时

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标志:will / shall + 动词原形

1. 表示将来发生的动作或存在的状态,通常与表示将来的时间状语连用(e.g. tomorrow,

next week, in the future等)。如: We shall have a lot of rain next month. My husband will come back in a few days. 2. 表示倾向性和习惯性:

Fish will die without water.

When it gets warmer, the snow will start to melt. 3. 一般将来时的几种句式结构辨析:

1) will / shall + 动词原形

多用于表达主观愿望或必定会发生的事情(“将会如何”),例句请见本章1、2节。 *shall作助动词时一般只用于第一人称 2) be going to + 动词原形

表示即将发生或打算要做的事: It is going to rain.

We are going to have a meeting today. 3) be to + 动词原形

表示按计划或安排即将要发生的动作: He is to visit Japan next year.

We are to discuss the report on Monday.

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4) be about to + 动词原形

表示即将发生的动作,意为“马上要做某事”,后面一般不跟时间状语,如: The plane is about to start.

Don’t worry. I am about to make a close examination on you.

四、 现在进行时

标志:be + 动词的现在分词

1. 表示说话时正在进行的动作:

She is writing a letter upstairs. Who are you waiting for? It is raining hard.

2. 表示现阶段一直在进行的动作(说话时动作未必正在进行):

I hear Mr. Green is writing another novel. 3. 表示反复出现或习惯性的动作,往往包含说话者赞扬、责备、厌恶等情绪,通常与always,

constantly, continually, forever等频度副词连用。如: John is forever asking silly questions like a stupid. He is always thinking of others first. 4. 表示将来

1) 表示按计划、安排将要发生的动作,仅适用于部分趋向动词(如go, come, leave, start,

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arrive等)。如:

Uncle Wang is coming. They're leaving for Beijing.

2) 在时间和条件状语从句中,现在进行时表示将来某时正在发生的事情。如:

Please drop in when you are passing my way. If he is still sleeping, don’t wake him up.

五、 过去进行时

标志:was / were + 动词的现在分词

1. 表示过去某一时刻或一段时间正在进行的动作,过去进行时中常用的时间状语有the

whole morning, all day yesterday, from January to March last year等。如: I was having a talk with Lucy at that time. They were watching TV at home last night.

2. 表示过去反复出现或习惯性的动作,往往包含说话者赞扬、责备、厌恶等情绪,通常与

always, constantly, continually, forever等频度副词连用。如: My brother was always losing his keys.

3. 表示按计划、安排过去某时刻将要发生的动作,仅适用于部分趋向动词(如go,

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come,

leave, start, arrive等)。如:

He said they were leaving for Beijing this afternoon.

4. 过去进行时有一个主要用法就是描述一件事情发生的背景(一个长动作延续的时候,另

一个短动作发生):

Granny fell asleep when she was reading.

It was raining when they left the station.

【练习】

Mary ___ a dress when she cut her finger. A. made B. is making C. was making D. makes

六、 现在完成时

标志:have / has + 动词的过去分词

1. 表示一个过去发生并已完成的动作对现在产生影响或结果,强调的是现在的状况(表示

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“已完成”)。如:

He has left the city. (结果:他目前不在这个城市) Someone has broken the window. (结果:窗户破了)

2. 表示一个动作开始于过去,持续到现在,也可能还会继续持续下去(表示“未完成”)。

I have been busy since last week.

He has taught in our school for 30 years. I’ve finished half so far. 注意 瞬间动词通常是不能用现在完成时表持续性的,但其否定结构则可以。如: She hasn’t seen you for ages.

His father hasn’t touched beer for a whole week. 3. 表示过去到现在为止反复发生的动作或多次出现的状态,常与表示频度的副词always,

often, every day等连用。如:

I have often heard that he is the cleverest person in that company.

4. 在时间和条件状语从句中,现在完成时表示将来某时完成的动作。如:

I’ll go to your home when I have finished my homework. If it has stopped snowing in the morning, we’ll go the park. 5. 与现在完成时连用的常见词语

能与现在完成时连用的词语很多,just, already, yet, before, never, ever, recently等,

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但常见的有:

1) since 自从

I have been there many times since the war. We haven’t seen each other since last week. We have been friends ever since.

2) in / for / during the past/last … years 在过去/最近…中

I’ve been ill for the past three weeks.

Great changes have take place in the last ten years. I have been here (for) the last/past month. 3) so far 到目前为止

We haven’t had any trouble so far.

So far the search for the missing middle-aged woman has been fruitless. 4) up to/until now 到现在为止

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