一、连词用法:
While作为并列连词,意思为“而,然而”,表前后意义上的对比或转折。如:
There’s plenty of rain in the southeast,while there's little in the northeast. 东南部雨量充足,而西北部则很少下雨。
Some people waste food while others haven't enough. 有些人浪费粮食,然而有些人却吃不饱。
二、while引导状语从句:
1、表示某个动作正在进行的同时,另一动作也在进行之中,这时主从句都用进行时态,有对同类的两个动作进行对比的意味。如:
While I was playing the piano,she was dancing. 我在d钢琴,她在跳舞。
While Jim is picking apples,Kate is carrying apples to the truck. 吉姆正在摘苹果,凯特正在把苹果搬到卡车上去。
2、表示某个动作正在进行时,又发生了另一动作(该动作用一般过去时)。如:
While I was reading,I fell asleep. 我读着读着就睡着了。
While we were swimming in the river,we saw a fish jump out of the water. 我们正在河中游泳时,看见一条鱼跃出了水面。
三、其他用法:
1、只要(=as long as)
There will be life while there is water and air. 只要有空气和水,就会有生命。
2、而;然而〔表示对比〕
He is a driver while I'm a teacher. 他是司机,而我是老师。
3、虽然(=although);尽管〔表示让步〕
While I see what you say,I can't agree with you. 虽然我能理解你说的话,但是我不能同意你。
4、用作名词,表示“一会儿或一段时间”,常与a,the或this等连用。如:
Just wait a while and then I will help you. 等一下,我会来帮你的。
Where have you been all this while? 这一阵子你一直都在哪儿?
欢迎分享,转载请注明来源:内存溢出
评论列表(0条)