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　　四六级考试即将开考，小编为大家整理了英语四级语法考点，文章包含了worth，worthy，worth-while相关知识，希望可以为大家带来帮助，预祝大家高分通过。下面跟随小编一起来学习一下吧。
　　worth，worthy，worth-while都为adj.意为"值得"。
　　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"
　　The question is not worth discussing again and again.
　　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"
　　The question is not worthy to be discussed againand again.
　　3. worth-while： be worth-while to do sth "值得做某事"
　　worth while： It is worth while doing sth
　　It is worth while sb to do sth.
　　典型例题 It is not ____ to discuss the question again and again.
　　A.worthB.worthyC.worth-whiLED.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。