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PETS5考试语法辅导:动名词精讲

来源:考试吧 编辑:angelje   可可英语APP下载 |  可可官方微信:ikekenet

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……"
  be worth doing sth. "……某事值得被做"
  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"
  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
  It is worth while sb to do sth.
  典型例题
  It is not ____ to discuss the question again and again.
  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。



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