under which
介词 关系代词”(关系代词一般指的是which/whom)引导的定语从句,有以下几种情况:
1.“介词 which”在定语从句中作时间,地点,原因状语,相当于关系副词。如:
(1)This is the reason for which(=why) he left the company.
这就是他离开公司的原因。
(2)He will never forget the day on which (=when) he went there.
他永远忘不了去那儿的那一天。
(3)Is this company the one in which (=where) you worked half a year ago?这就是半年前你在那儿工作的公司吗?
2.“介词 which/whom”在定语从句中作目的,方式状语。如:
(1)Can you tell me for whom you are working?
你能告诉我你现在为谁工作吗?
(2)There is a big hole on the wall through which he can see what’s happening inside.
墙上有一个大洞,通过这个洞他能看到里面所发生的一切。
(3)The train by which he is travelling is arriving.
他乘坐的那辆火车就要到了。
(4)In the dark street, there wasn’t a single person to whom she could turn for help.在漆黑的街上,没有一个人她可以求助。
3.“不定代词,数词或名词 of which/whom”在定语从句中充当主语。如:
(1)There are sixty students in our class, all of whom are working hard.