牛津实用英语语法 99 介词/副词
许多词既可作介词又可作副词:
He got off the bus at the corner.(介词)
他在拐角处下了公共汽车。
He get off at the corner.(副词)
他在拐角处下车。
这些既可作介词又可作副词的词中最重要的有above,about,
across,along,before,behind,below,besides,by,down,in,near,off,on,over,past,round,since,through,under,up:
They were here before six.(介词)
他们6点之前在这里。
He has done this sort of work before.(副词)
他以前干过这种工作。
Peter is behind us.(介词)
彼得在我们的后面。
He′s a long way behind.(副词)
他远远地落在后面。
She climbed over the wall.(介词)
她爬过墙头。
You′ll have to climb over too.(副词)
你也得爬过去。
When the meeting was over the delegates went home.(副词)
会议结束后代表们各自回家了。(这里over=finished结束)
The shop is just round the corner.(介词)
商店拐过街口就是。
Come round(to my house)any evening.(副词)
晚上有空来我家串门。
He ran up the stairs.(介词)
他跑上楼梯。
He went up in the lift.(副词)
他乘电梯上去了。
这些词中许多可以用来构成短语动词(参见第三十八章):
The plane took off.
飞机起飞了。(离开了地面)
He came round.
他恢复知觉了。(恢复了意识)