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    临沧汽车网

    Have they finished the work (He asked)

        发布时间:2018-07-26 10:53

        并列连词 when 和引导时间状语从句的从属连词 when 是不同的。这主要表现在以下几个方面:

        1. 位置: when 引导时间状语从句时,该从句可放在主句之前也可放在主句之后;而并列连词 when 只能位于两个分句之间,而且前面常常有逗号。例如:

        Come when you please.

        你高兴来就来吧。( when 为从属连词)

        When I saw him, he was writing to a friend of his.

        我看见他时,他在给一个朋友写信。( when 为从属连词)

        I was taking a walk, when I came across him.

        我正在散步,突然碰见了他。

        2. 意义: when 作从属连词用时,它所引导的从句表示主句中谓语动词动作发生的时间,即作“当……时”解;而并列连词 when 连接的两个分句中,第一个分句表示的是背景,第二个分句表示的是一种突然的、意想不到的情况或过早发生的事情。 when 通常含“这时突然”之义。例如:

        I was thinking of this, when I heard my name called.

        我正想着这件事,突然听到有人叫我的名字。

        I had just fallen asleep, when the boor-bell rang.

        我刚入睡,门铃突然响了起来。

        这种意义在孤立的句子中可以理解到,在文章中更能体会得到。如在“ I was wandering through the street when I caught sight of a tailor's shop ”一句中,“在街头漫步”只是“看见有家缝纫店”的时间,其后作者怎样走进缝纫店,想要什么样的衣服,怎样受到伙计的奚落,又怎样受到老板的奉承等情景均与“漫步街头”没有直接的因果关系。

        3. 时态: when 引导的时间状语从句中可以根据句意的需要用一般现在时、一般过去时、过去进行时、分别说明现在,过去,甚至将来的行为;并列连词 when 后面的分句中通常用非延续性动词的一般过去时,其前表时间的分句中可用:

        ( 1 )过去进行时表示过去某时间正在进行的动作。例如:

        I was cooking when I heard her knocking at the door.

        我正在做饭,突然听到她敲门的声音。

        He was thinking about the problem, when an apple fell to the ground.

        他正在思考这个问题,突然有一只苹果掉到了地上。

        ( 2 ) was /were going to, was / were about to, was / were on the point of 表示过去某一时间将要发生的动作。例如:

        I was just going when he came in.

        我正要走,这时他就进来了。

        We were about to start when it began to rain.

        我们刚要动身天就开始下起雨来了。

        He was on the point of leaving, when someone knocked at the door.

        他刚要走就有人敲门。

        ( 3 )过去完成时表示过早发生的事情。请看下述两种场合:

        ( a )过去完成时和含否定意义的 hardly, scarcely, nearly 连用,和 just, little 连用,或者与否定词 not 连用时,表示“刚……,就……”的意思。例如:

        I had hardly opened the door when he hit me.

        我刚一开门他就打了我一下。

        I had nearly reached the town, when the young man suddenly said very slowly, “ Do you speak English? ”我快要进城了,年轻人突然慢慢地说:“你会讲英语吗?”

        I had been there little more than a week when I set to work in earnest.

        我到那儿还不超过一个星期就开始认真干起活来。

        I had not been reading for half an hour when I heard steps outside.

        我读了还不到半个钟头就听到外面有脚步声。

        ( b )过去完成时与 hardly 等连用时, when 也可以换成 before .例如:

        Hardly had I left before the trouble started.

        我刚一离开麻烦就开始了。

        4. 句型: when 引导状语从句时,主句可以是肯定句,也可以是疑问句形式,但 when 连接两个并列分句时,其前的分句只能是肯定句,即只能是不带否定副词 not 的分句。前文( 3 )( a )最后一个例句算是一个例外。试比较:

        Mick was sleeping when they went in. (并列句)迈克正在睡觉,他们突然走了进来。

        When they came in Mick was sleeping. (主从句)他们进来时迈克正在睡觉。

        “ Was Mick sleeping when they came in? ”和“ What was Mick doing when they came in? ”只能是对其中主句的提问,因为这时 when 所引导的分句既无突然性也不是句子中的未知信息,而只是另一个动作发生的特定时间

        回复:

        he asked (angrily)(whether) we (had) finished the work
        angrily 副词修饰动词 asked
        ask 是及物动词 不能接if开头的副词子句
        得是whether 开头的名词子句。

        回复:

        ▲主从复合句中时态的一致主要有以下几种情况:
        【主将从现】
        在以when,after,as soon as等引导的时间状语从句以及以
        if,unless等引导的条件状语从句中,如果主句是一般将来时,从句则用一般现在时。
        I'll tell her the good news when she comes back.
        当她回来的时候,
        我将把这个好消息告诉她。

        If it doesn't rain, he will come here on time.
        如果不下雨,他会按时来这儿的。

        ※如果主句是祈使句,那么从句通常要用一般现在时。
        如:
        Don’t laugh at me when I makea mistake.
        我犯错误的时候不要笑话我。
        ※如果主句是含有情态动词的一般现在时,根据需要从句多用一般现在时。
        如:
        You should be quiet when you are in the reading room.
        在阅览室时应保持安静。

        【主过从过】
        在含有宾语从句的主从复合句中,当主句的谓语动词为过去时态时,从句须用表示过去的某种时态。例如:
        He asked when they would go to the party.
        他问他们什么时候将去参加聚会。

        Miss Green said she had been to Beijing before.
        格林小姐说她以前曾经去过北京。
        【主现从任】
        在宾语从句中,当主句的时态为一般现在时、现在进行时、现在完成时等时态时,后面从句时态不受主句限制,可根据情况,选用各
        种适合的时态。例如:

        Do you know when we'll have a football match?
        你知道我们什么时候举行足球赛吗?

        You know he has gone to Shanghai.
        你知道他已去上海了。

        ▲“时态后移”(tense back—shift)”,指的是复合句中的主句动词为过去时或过去完成时时,其从句动词如为陈述语气,则时态应作相应的后移,以便与主句动词在时间上取得逻辑上的呼应,即从句动词现在时应后移为过去时;过去时应后移为过去完成时。

        The staff members were askedto arrive a few minutes earlier before the meeting started.

        (这里before从句可用完成时态吗?)
        ▲before从句的过去完成时都是属于虚拟语气,表示从句事件都没有实现。
        The bell rang beforewe had finished our work.
        I met George before hehad heard the news.
        Tom called to see mebefore l had had breakfast.
        The thief was caughtbefore he had disposed of t11e sto1en goods.
        在语义上,这四句分别等价于:
        When the bell rang,we had not finished our work.
        When l met George,he had not heard the news.
        When Tom called to seeme ,Ihad not had breakfast.
        When the thief wascaught,he had not disposed of the stolengoods.

        回复:

        并列连词 when 和引导时间状语从句的从属连词 when 是不同的。这主要表现在以下几个方面: 1. 位置: when 引导时间状语从句时,该从句可放在主句之前也可放在主句之后;而并列连词 when 只能位于两个分句之间,而且前面常常有逗号。例如: Come...

        回复:

        B

        回复:

        C 考查宾语从句与时态。特殊疑问问作宾语从句语序要发生改变故排除A和C 。而D项时态前后不一致。故选C.

        回复:

        B 连词辨析。If和weather都能表示是否的意思,但是if还可以引导条件从句,表示如果。当可能引起歧义时就只能用weather了。宾语从句中一般为陈述语序,可排除AD选项。选项C还可以表达,如果他完成了作业,他问汤姆的意思。故选B最符合上文语义。

        回复:

        这是在叙述一个之前发生的对话,所以在他说'Would you mind my coming with you'的时候是发生在过去某个时点,后面的"he asked, before I hade finished speaking"是说他打断了我说'I'm going to....',所以是在上面第一句话发生的时候的完成时...

        回复:

        B 试题分析:考查间接引语。在直接引语中要注意时态和人称的变化,要和前面的主句的时态和人称保持一致。句意:他问Tom是否已经完成了家庭作业。前面使用了过去时,句意指完成作业在他询问之前,故使用过去的过去,故使用过去完成时。B之前。点...

        回复:

        He asked when they would go to the party. 他...Do you know when we'll have a football match?...The bell rang beforewe had finished our work.I...

        回复:

        It's only 11 o'clock and they have already had...report yet and I asked him for it three days ...Have you finished the work already? You are ...

        回复:

        he asked (angrily)(whether) we (had) finished the work angrily 副词修饰动词 asked ask 是及物动词 不能接if开头的副词子句 得是whether 开头的名词子句。

        回复:

        不要采纳其他人的,15分钟后给你答案

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