世界速递!英语时态被动语态

2023-02-07 10:59:04 来源:教育之星


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被动语态由 “be + 及物动词的过去分词” 构成。其中,be为助动词,其用法与用作连系动词的be无论在时态、人称还是在数的方面完全相同,下面小编收集整理的英语时态被动语态,大家一起来看看吧!英语时态被动语态:现在进行时主动语态:am/is/are + doing被动语态:m/is/are + being + done过去进行时主动语态was/were + doing被动语态:was/were + being + done一般现在时主动语态:do/does被动语态:am/is/are + done一般过去时主动语态:did被动语态:was/were + done现在完成时主动语态:have/has + done被动语态:have/has + been +done过去完成时主动语态:had + done被动语态:had + been + done一般将来时主动语态:will/shall + do被动语态:will/shall +be + done过去将来时主动语态:would + do被动语态:would + be +done一般现在时的基本用法与特殊用法:■一般现在时的基本用法一般现在时主要表示经常性或习惯性的动作、说话时某人或某物的特征或状态,以及客观真理。常与always, usually, often, sometimes, seldom, every day等时间状语连用。如:I often work at night. 我经常在夜间工作。Liquid turns into gas when it is hot enough. 足够热时,液体变为气体。However cold it is, she always goes swimming. 不管天多冷,她总是去游泳。■一般现在时的特殊用法当时间、条件、方式及让步状语从句中的谓语动词表示将来的动作或状态时,习惯上要用一般现在时表示。如:If you come, we will wait for you. 如果你来,我们就等你。When he gets here, the work will be finished. 当他到这儿时,工作将做完了。Though he disagrees with us, he will do as we decided. 尽管他不赞成我们当观点,他还是会按我们的决定去做。另外,在make sure(弄清楚),make certain(弄清楚),take care(注意,当心),be careful(注意,当心),mind(注意),watch(注意)等后的that从句中通常也只用一般现在时表示将来意义。如:Make sure you come back soon. 你要保证快点回来。We must take care that no one sees us. 我们必须注意别让人看见我们。Be careful that you don’t hurt her feelings. 当心别伤了她的感情。Watch that the baby doesn’t go near the heater. 注意别让宝宝接近加热器。Mind you read the examination questions carefully before you begin to answer them. 在答题前要注意仔细阅读考题。还有,在it doesn’t matter, I don’t care, I don’t mind 等结构(以及类似结构)后的名词性从句也通常用一般现在时表示将来意义。如:It doesn’t matter where we go on holiday. 我们去哪儿度假都行。I don’t care whether we win or lose. 我不在乎我们是赢还是输。与现在完成时连用的标志:标志一:sincesince 无论是用作介词、连词还是副词,它通常都与现在完成时连用。如:Great changes have taken place here since 1978. 自1978年以来这里发生了巨大的变化。(since为介词)Charles has worked hard since leaving school. 自从离开学校以来查尔斯工作一直很努力。(since为介词)You haven’t changed much since we last met. 自从上次我们见面以来,你变化不大。(since为连词)Her reading has improved greatly since she changed schools. 自从她转校以来,她的阅读水平提高了很多。(since为连词)He left school in 1983. I haven’t seen him since. 他1983年离开学校。打那时起我一直没见过他。(since为副词)She moved to London last May and has since got a job on a newspaper. 她去年五月到伦敦,此后一直在报社工作。(since为副词)【几点说明】1. 表示时间长度时,通常用一般现在时代替现在完成时。如:It is [=has been] ten years since he left here. 他离开这儿已10年了。How long is it since you arrived? 你到来多久了?2. 对于某些表示状态(如seem等)的动词,或因句义等方面的原因,有时可能用一般现在时比用现在完成时更合适。如:It seems like years since we last met. 我们似乎几年未见面了。Since when does the $42 plus $5 service charge come to $48? 从什么什候开始42元加5元的服务费等于48元了?3. 若不是指从过去持续到现在,而是指从较远的过去持续到一个较近的过去,则用过去完成时。比较:He hasn’t eaten anything since Tuesday. 自星期二以来他一直未吃东西。(指从星期二到现在未吃东西)Yesterday he told me that he hadn’t eaten anything since Tuesday. 他昨天告诉我自星期二以来他一直未吃任何东西。(指从星期二至昨天未吃东西)标志二:in the last five years类似于in the last five years的时间状语,它若表示从现在算起的过去一段时间内,通常要与现在完成时连用。如:The house has changed hands three times in the last two years. 在过去两年中,这栋房子已转手三次。This company has come a long way in the last five years. 最近五年这个公司已经前进了一大步。Is that the sum of what you’ve done in the last two years? 这就是你最近两年中完成的全部数量吗?【注】其中的介词in有时也可换成for, during, over, within 等,有时也可省去。如:I have been here for the last two weeks. 最近两周我一直在这里。Over the last few years, prices have fallen sharply. 在过去的几年中,价格已急剧下降了。My business has decreased during the last two months. 最近两个月内,我的生意减少了。另外,若不是表示从现在算起的过去一段时间,则不用现在完成时。如:Jim managed two goals in the last ten minutes. 在最后的10分钟内,吉姆设法得了两分。【比较】I didn’t see much of Harry in the last months. 在最后的几个月中,我很少看见哈里。I haven’t seen much of Harry in the last months. 在最近的几个月中,我很少看见哈里。时间或条件状语从句不能用将来时态:由when, as soon as, before, after, as, until等引导的时间状语从句以及由if, unless, as long as, in case等引导的条件状语从句不能直接用将来时态,遇此情况英语习惯上用一般现在时代替一般将来时。如:趁早动手,免得忘了。误:Do it before you will forget.正:Do it before you forget.我到达那儿后就给你写信。误:I’ll write to you after I will get there.正:I’ll write to you after I get there.如果他来,请告诉我一声。误:In case he will come, let me know.正:In case he comes, let me know.
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