“介词+which”引导的定语从句若修饰的是地点名 词，可以转换为关系副词where引导的定语从 句
• （一）关系副词where引导的定语从句。 • where引导的定语从句其先行词往往是表示
地点的名词,且在从句中作地点状语。 • 例： • China is the only country where wild
pandas can be found.
• This is the house where I lived two years ago.
• 2. 若定语从句的先行词是地点，但定语从句缺 主语或宾语，用which或that引导定语从句，而 不用where来引导。
The library _th_a_t_/_w_h_i_ch__you visited yesterday was built in 1990.
More examples
Have you met the person _a_b_o_u_t _w_h_o_m_ he was speaking? He is the man __to__w_h_o_m__ you can turn for help.
The farm _o_n__w__h_Байду номын сангаасc_h_ we worked then years ago isn’t what it used to be. This is the tree _u_n_d_e_r_w__h_ic_h_ we used to play games.
The library __w__h_e_re___ he works was built in 1990.
• 3. 如果定语从句分别修饰point, situation, stage, condition和case等表示抽象意义的 词，常用where 引导，意思是“到了某种地 步，在某种境况中”。
The factory produces half a million pairs of shoes every year, 80% _______ are sold abroad.
A. of which
B. which of
C. of them (How about C?)
D. of that
3. 代词+介词+关系代词（代词有all, both,
A. whose
B. that
C. on which
D. by which
• Unit 5-2 • The Attributive Clause (Ⅱ)
• 关系副词when, where, why 引导的定语从句
The hotel _a_t_w__h_ic_h_we stayed wasn’t clean.
There are two buildings, ________ stands nearly a hundred feet high.
A. the larger B. the larger of them C. the larger one that D. the larger of which
=This is the teacher__th_e_d_a_u_g_h_te_r_o_f w__ho_m__ is a famous doctor.
Recently I bought an ancient Chinese vase（花瓶）, _______ was very reasonable（合理的）.
The pen _w_i_th__w_h_i_c_h_ he is writing now was bought yesterday. The gas _w_it_h_o_u_t_w__h_ic_h__ we can not live is called oxygen.
1.名词+介词+关系代词
This is the teacher whose daughter is a famous doctor.
A. which price
B. the price of which
C. its price (What about C?)
D. the price of whose
2.数词+介词+关系代词(含基数词，序数词，分数和
百分数）
We have three foreign teachers, _tw_o_o_f_w_h_o_m___are from Canada. (其中的两 个）
A. both of they
B. neither of whom(Think about C.) C. both of them
D. all of whom
4. 形容词最高级+介词+关系代词
China has thousands of islands, _th_e_l_ar_g_e_s_t o_f_w_h_i_ch__ is Taiwan Island. （其中最大的）
none, neither, either, some, any等）
The old woman has two sons, _b_ot_h_o_f_w_h_o_m_ are teachers.（两个都是）
Last week, two persons came to see the house, ___________wanted to buy it.
5.介词+关系代词+名词
He spent four years in college, _d_u_rin_g__w_h_ic_h_t_im_e_ he studied medicine. （在那段时间内）
In the office, I never seem to have time until after 5:30 p.m., _______ time many people have gone home.
The hotel where we stayed wasn’t clean.
The housein__w_h_ic_h_LuXun once lived is being repaired now. The house where LuXun once lived is being repaired now.