2020天津公安消防考军校考试：语法总结（21）

　　(B) who & that:

　　who 和 that 指代人时，有些情况宜用who, 而不宜用that

　　①先行词为anyone, anybody, those, all, one, ones, they, he, people时. 如：

　　1.The person I want to learn from is the one who studies hard and works well.

　　2.Anyone who (=Whoever) failed to come to the meeting yesterday must give his reason .

　　3.Those who are not fit for their work should leave office at once

　　4.I don't like the ones (= those ) who talk big.

　　5.Persons who are quarrelsome are despised.

　　②在There be 结构中，修饰主语的定语从句宜用关系代词who 指代人. 如：

　　1.There is a gentleman who wants to see you .

　　2.There are several students in our class who are still not sure about the use of attributive clauses.

　　③当先行词有较长的后置定语时. 如：

　　1. I met a foreigner in the park yesterday afternoon who could speak Chinese very well.

　　④一个句子中带有两个定语从句，其中一个定语从句的关系代词是that ,另一个则宜用who, 以免重复. 如：

　　1. The student that was praised at yesterday's meeting is the monitor who is very modest and works very hard .