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英语的“时态”来一波 现在完成进行时(不同场景的用法)

句子大全 2023-07-02 02:51:01
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一、现在完成进行时的基本概念

①现在完成进行时是英语中动词的一种基本时态

②构成为:主语+助动词(have/has)+动词的过去分词+其他成分。

③表达意义:

a.表示从过去某时开始一直持续到现在的动作,并且还将持续下去。

b.表示在说话时刻之前到现在正在进行的动作。

二、典型句子

->句子1:The Chinese have been making paper for two thousand years.中国有2000年的造纸历史。(动作还将继续下去)

->句子2:Since the dawn of human history, human beings have been asking questions like“What is essence of life. ”

->[自从人类历史之初,人类一直在问诸如“什么是生命的本质”这样的问题。 ](2009年真题)

->句子3:In fact, the 70-year-old may have been disorganizing things for decades.

->[其实,这位70岁的老人可能已经思维混乱几十年了。] (2007年真题)

->句子4:Many businesses like automakers have been aggressively discounting their products.

->[汽车制造商等很多企业一直在积极给产品打折。](2006年真题)

->句子5:In recent years, railroads have been combining with each other, merging into super systems, causing heightened concerns about monopoly.

->[近年来,铁路一直彼此合并,成为超级系统,引起人们更加担忧垄断。](2003年真题)

->句子6:Take Colleen for example, who had been saving secretly for a few years before she confessed to herpartner.

->[就以Colleen为->句子,她在向丈夫交代前一直秘密地存钱,存了好几年。](2008年真题)

->句子7:The three children have been sponging on their grandparents for over ten years.

->[10多年来这3个孩子一直靠他们的姥爷、姥姥养活。]

->句子8:I have been waiting for you for two hours.

->[我已经等你两个小时了。]

英语的“时态”来一波,过去完成时,不同场景的用法

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