Ann, gave me a patient smile.
I’ve invited Diana, who lives in the next flat.
My daughter, who is in Boston now, is coming home next week.
Tom, whom everyone suspected, turned out to be innocent.
人人都怀疑Tom，结果证明他是无辜的。
Mr. Green, for whom I was working, was very generous.
The 8:30 train, which is usually punctual, was late today.
She gave me this sweater, which she had knitted herself.
The buses, most of which were already full,
were surrounded by an angry crowd.
His house, for which he paid $10,000, is now worth $50,000.
Barbary was working in Aubury, where she went daily in a bus.
Barbary在Aubury工作，每天得坐公共汽车上班。
We’ll put off the picnic until next week, when the weather may be better.
Which有时不代表一个名词，而代表前面句子的全部或部分意思。
He tried to stand on his hands for five minutes, which—as you know—is rather a difficult thing to do.
Peter drove too fast, which was
dangerous.
Rats ran about the attic all night, which kept me awake.
He said that he had had never seen her before, which was not true.
He invited us to diner, which was very kind of him.
He believes in public ownership, which idea I’m quite opposed to.
He advised me to hide behind the door, which advice I took at once.
有时，非限制定语从句在语义上起状语从句的作用。表示原因、目的、结果、条件、让步等意义。
It is in line with the Charter (联合国宪
章), which recognizes the value of regional efforts to solve problems and settle disputes. （which=for it, as it 表原因）
Chinese delegations have been sent to Asian-African countries, who will negotiate trade agreement with the respective government. (who will=so that they may, 表目的)
Dr. Lee, who had carefully read through the instructions before doing his experiments, could not obtain satisfactory results, because he followed them mechanically. （who=though he)