PETS5考试语法辅导：动名词精讲（2）

会计考友

　1 worth 的用法
% W# J  h, h' P9 F$ h# I　　worth，worthy，worth-while都为adj.　意为"值得"。
& N% g$ G/ {% t$ v4 e8 [$ ~* `: k$ s6 @　　1.1. worth： be worth + n.　当名词为金钱时，表示"…… 值得……"
　　be worth doing sth.　"……某事值得被做" 考试通
　　The question is not worth discussing again and again.
　　1.2. worthy：be worthy of +n.　当名词为抽象名词时表示"……值得……"
- B: |0 {3 K; Z( Z2 Y　　be worthy to be done "某事值得被做"
　　The question is not worthy to be discussed againand again.
　　1.3. worth-while： be worth-while to do sth　"值得做某事"
　　worth while： It is worth while doing sth
' A4 s& ~5 }4 O: ]" ^　　It is worth while sb to do sth.
　　典型例题
　　It is not ____ to discuss the question again and again.
0 q/ G1 m0 U! A2 {　　A.worth　B.worthy　C.worth-while　D.worth while
　　答案C. 由worth的用法可知，此句只适合词组be worth-while to do sth.。因此选C。