英语定语从句考点及命题规律分析（上）

1. 考查which引导的非限制性定语从句

which引导非限制性定语从句，用以指代整个主句的内容，或主句中某个词或短语的内容。如：

(1) By serving others, a person focuses on someone other than himself or herself, _______ can be very eye-opening and rewarding.

A. who                  B. which                C. what                  D. that

答案为B。which在此引导非限制性定语从句，which在定语从句中用作主语，表示前面所提到的情况。

(2) Chan’s restaurant on Baker Street, _______ used to be poorly run, is now a successful business.

A. that                   B. which                C. who                   D. where

答案为B。which used to be poorly run为非限制性定语从句，其中的which指代前面的China’s restaurant。

2. 考查as引导的非限制性定语从句

as也可指代整个主句的内容，但不同于which的是，它引导的定语从句既可以位于主句的前面，也可以位于主句的后面。它的意思是“正如”，在这些从句中as 作主语或宾语。如：

(1) _______ I explained on the phone, your request will be considered at the next meeting.

A. When               B. After                  C. As                         D. Since

答案为。as 引导定语从句，其意为“正如”。

(2) _______ is often the case, we have worked out the production plan.

A. Which              B. When                C. What                 D. As

答案为D。解析：引导非限制性定语从句且位于主句之前，用as引导。答案分别为CBD。

3. 考查由“介词＋关系代词”引导的定语从句

“介词+关系代词”结构中的关系代词主要是which或whom，不能是that；其中的介词则要根据句子中的相关搭配来确定。如：

(1) He was educated at the local high school, _______ he went on to Beijing University.

A. after which      B. after that           C. in which           D. in that

答案为A。after which中的which指“他在当地一所高中接受教育”，after which的意思就是“在当地一所高中接受完教育之后(即高中毕业之后)”。

(2) She was educated at Beijing University, _______ she went on to have her advanced study abroad.

A. after which      B. from which       C. from that           D. after that

答案为A。after which在此引导非限制性定语从句，相当于and after that。又如：This I did at nine o’clock, after which I sat reading the paper. 九点时我做这件事，之后我就坐在那里看报。

4. 考查由…of which引导的定语从句

这类结构主要表示所属关系、同位关系或整体与部分的关系。如：

(1) It is reported that two schools, _______ are being built in my hometown, will open next year.

A. they both         B. which both       C. both of them    D. both of which

答案为D。both of which are being built in my hometown为非限制性定语从句，其中的which指代前面的two schools。

(2) We shouldn’t spent our money testing so many people, most of _______ are healthy.

A. that                   B. which                C. what                  D. whom

答案为D。由于先行词为so many people，故关系代词只能用whom，而不能用其他三个。其中的of表示整体与部分的关系，most of whom意为“他们当中的大多数”。

5. 考查由where, when, why引导的定语从句

关系副词where, when, why引导定语从句时，它们分别在从句中充当地点时间、时间状语和原因状语。如：

(1) Those successful deaf dancers think that dancing is an activity _______ sight matters more than hearing.

A. when                B. whose               C. which                D. where

答案为D。where引导定语从句，修饰先行词activity。句意为：那些失聪的成功舞蹈演员们认为，舞蹈是一种让人看胜过让人听的活动。

(2) The book was written in 1946, _______ the education system has witnessed great charges.

A. when                B. during which   C. since then        D. since when

答案为D。since when中的when指1946，since when指的是since 1946，即指“自1946年起”。注意不要误选C，如果将C改为and since then，则可选C。

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