The factory produces half a million pairs of shoes every year, 80% ________ are sold abroad.
A. of which B. which of
C. of them D. of that
Differences:
非限制性定语从句中关系代词which/as可指整个 主句的意思或一部分意思。As引导的定语从句既可 以位于句末，也可以位于句首或句中。
As everyone knows, China is a country with a long history. 正如大家所知，中国是一个 有着悠久历史的国家。
She is a teacher, as is clear from her manner.
Great changes have taken place in that school. It is no longer what it was 20 years ago, ______ it was so poorly equipped.
A. when B. which
C. what D. that
Carol said the work would be done by October, _____ personally (就我个人而论) I doubt (怀疑) very much.
A. it
B. that
C. when
D. which
非限制性定语从句中通常使用 下列关系代词和副词
关系代词：which / who / whom /
I have many friends, some _______ are businessmen.
A. why
B. from which
C. who of D. of whom
If a shop has chairs _______ women can park their men, women will spend more time in the shop.
限制性定语从句与先行词之间不用 逗号隔开；
非限制性定语从句与先行词之间一 般用逗号隔开。
My cousin whose father is a teacher wants to be an actor.
My cousin , whose father is a teacher , wants to be an actor.
里面有漂亮图画的那些杂志是他写的。 （杂志有带图画和不带图画两类） 4.All the magazines here, which have beautiful pictures in them, were written by him.
所有的杂志都是他写的，里面都有漂亮的图画。 （杂志只有一种）
His father, who works in Beijing, came back yesterday.
whose / as
关系副词：when / where
(非限制性定语从句中不用关系 词that；非限制性定语从句中关 系词不能省略)
Other examples
1. I am doing different types of exercises, all of _w__h_ic_h__are quite helpful to my health. 2. Many people, some of _w__h_o_m__are not overweight, are going on diets. 3. There are 54 students in my class, three of __w_h_o_m___come from US.
B. His father, who works in Beijing, came back yesterday.
限制性定语从句和先行词关系密切，如 果去掉从句，剩余部分意义不完整；非 限制性定语从句只是先行词的附加说明， 如果去掉从句，意义仍然完整。
有时同一个限制性从句变为非限制性从句 会改变全句的意思。
Homework
Grammar and usage Question tags
(2nd period)
Question tags
Do you say “I love you” to your parents, how do you say?
Advance with English
Grammar and usage
Non-restrictive attributive clauses
非限制性定语从句
Who is he?
*The man _w_h_o/_t_h_at is sitting there is Brad Pitt.
*The man w—h—o/—wh—om— /—th—at—/-—she speaks to is Brad Pitt.
在of which/whom之前可以使用 表达数量或定位的数词或代词。
Last week，only two people came to look at the house， _______ wanted to buy it. A. none of them B. both of them C. none of whom D. neither of whom
1. I have a sister who works in a hospital. 我有一位在医院工作的姐姐。（不只一位姐姐）
2.I have a sister, who works in a hospital. 我有一位姐姐，她在医院工作。（只有一位姐姐）
3.All the magazines here which have beautiful pictures in them were written by him.
*The man _to__w_h_o_m she speaks is Brad Pitt.
Who is she?
Cecilia, _w_h_o___
took weight-loss
pills, now realizes that health is important.
Cecilia, _w_ho_s_e___ body is thin, still wants to lose some weight (减肥).
当先行词是地名人名、世界上独一无二 的事物或家庭唯一成员时，通常只用非 限制性定语从句。
Shanghai, which is in East China, is developing rapidly.
Fill in the blanks with proper relative words.
1. The famous basketball star, _w_h_o__is an American, came to China yesterday.
7. John said he’d been working in the office for
an hour,_______ was true. which
More examples
He missed the show, which was a great pity.
He invited me to dinner, which made me happy.
_w_h_i_c_h_I
visited
last
year,
is
a
nice
old
5.
He will come to see won’t be so busy.
me
next
July,
w_h_e_nhe
6. Tthhiretsycyheoaorl,s_wa_gh_o_e._r_e_I once studied, was built
B. which D. that
Helen was much kinder to her youngest son than to the others, _____, of course, made the others envy (嫉妒) him.
A. who
B. that
C. what
D. which
（非限制性定语从句中关
•
系代词不可以被省略）
*My mother, whom you met last year, keeps telling me not to take them because they are dangerous.
*Then the doctor found that someone in your country, whose name is Li Dong, was an exact match for me.
她是位教师，这一点从她的举止可以清楚地 看出。
By serving others, a person
focuses on someone other than
himself or herself, ___ can be
very eye-opening and rewarding.
A. who C. what
*It’s the same in China—many people, some of whom are not overweight at all, are always going on diets or taking weight-loss pills, which are often dangerous.
A. that B. which
C. when D. where
I walked in our garden, _______ Tom and Jim were tying a big sign onto one of the trees.