英语定语从句考点及命题规律分析

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。

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