表示正在进行的be+介词短语

文章作者 100test 发表时间 2007:02:25 18:09:37
来源 100Test.Com百考试题网


表示"正在进行"这一动作,通常用现在进行时表示。如:i am having a class now.(我正在上课。)但"正在进行"这一动作,还可以用"be+介词短语"来表示。常见的介词短语类型有: be +at引导的介词短语;be +in引导的介词短语;be +on引导的介词短语; be +under引导的介词短语等。
ⅰ.be+at引导的介词短语 be at war(正在交战):
the two countries are at war now.两国正在交战。
 (相当于:the two countries are waging a war now.)
be at work(正在工作):jim is at work on his car now.吉姆正在修自己的车。
(相当于:jim is repairing his car now.)
be at peace(处于和平或平静状态):
thus europe was at peace for the first time in ten years.
于是欧洲在十年以后第一次进入和平状态。
be at table(正在吃饭):when i arrived my friends were already at table.
当我到达时,我的朋友们正在吃饭。
常见的这类结构还有:be at meeting正在开会;be at school正在上学;be at breakfast(lunch /supper)正在吃早(午/晚)饭;be at church正在做礼拜,等等。
ⅱ.be+in引导的介词短语 be in progress(正在进展):
the building of the bridge is in progress.
这座桥梁正在施工中。(相当于:the bridge is being built now.)
be in trade(正在做买卖):
some people of this country are in gold and ivory trade.
这个国家的有些人正在做黄金和象牙买卖。 be in fashion(流行):
long hair is very much in fashion now.如今,留长发正时兴。
be in trouble(处于困境/困难之中):i am in great trouble.my little boy has fallen off a ladder and hurt himself.我遇上点麻烦,我的小儿子从梯子上掉下来,并且摔伤了。
常见的这类结构还有:be in danger处在危险中;be in operation正在运行; be in action在活动(运转/战斗)中;be in peril在危险之中;be in class正在上课;be in hospital正在住院;be in office在执政;be in tears正在流泪;be in milk正在产奶;be in issue正在争论之中;be in church正在做礼拜;等等。
ⅲ.be+on引导的介词短语
be on strike(正在罢工):the electricity workers have been on strike for several weeks now.电力工人到目前已经罢工好几个星期了。(即现在仍在罢工)
be on leave(正在休假):several soldiers are on leave in our village.几位军人正在我们村子里休假。
be on the rise(正在上涨):prices of vegetables are on the rise.蔬菜价格正在上涨。
常见的这类结构还有:be on a visit正在访问;be on the stumps处在困难之中;be on sale正在出售(美语作:削价出售),等等。
ⅳ.be +under引导的介词短语
be under consideration(正在考虑之中):the plan is under consideration by the ministry of education.教育部正在考虑这项计划。
be +under construction(正在修建中):the new railway is still under construction.新铁路仍在修筑之中。
be +under discussion(正在讨论之中):that issue has no relation to the matter under discussion.那个问题和正在讨论的事没有关系。

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