PETS5考试语法辅导：动名词精讲（2）

会计考友

　1 worth 的用法
　　worth，worthy，worth-while都为adj.　意为"值得"。
　　1.1. worth： be worth + n.　当名词为金钱时，表示"…… 值得……"
/ j7 c7 M% S  _; H　　be worth doing sth.　"……某事值得被做" 考试通
7 v9 J, g- }( g/ R: d　　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……"
　　be worthy to be done "某事值得被做"
2 o$ W$ v0 O0 @$ |　　The question is not worthy to be discussed againand again.
8 Y( f  \; j  s* h/ n　　1.3. worth-while： be worth-while to do sth　"值得做某事"
$ C# C3 G. }4 D+ ^0 h; g+ ~) M( G9 _　　worth while： It is worth while doing sth
- [# B! t8 r* p$ L! v　　It is worth while sb to do sth.
) @+ d% k/ ?+ A　　典型例题
　　It is not ____ to discuss the question again and again.
　　A.worth　B.worthy　C.worth-while　D.worth while
) D% V$ H' ~# a& u　　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。