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八大时态结构详解

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2021-02-17 08:35
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2021年2月17日发(作者:feed什么意思)


八大时态结构及用法详解



一、一般现在时



标志:动词原形



期末英语必考八大时 态结构及用法详解,初一、初二、初三均适用!



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.


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.


3.


表示真理、客观存在、科学事实或用于格言警句中:



Shanghai lies in the east of China.


Columbus proved that the earth is round.


Where there is a will, there is a way.


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.





二、一般过去时



标志:动词过去式



期末英语必考八大 时态结构及用法详解,初一、初二、初三均适用!



*


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:



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)



sb. be used


to sth./doing st h.


(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”







三、一般将来时



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”)


< /p>


*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.


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.

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