常见的有It s worth while to do./ It s worth(someones)while doing
be worth doing sth. 某事值得被做
The question is not worth discussing again and again. 这问题不值得反复讨论。
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 again and again.
3. worthwhile:be worthwhile to do sth 值得做某事
It is worthwhile to ask him to join the club.值得邀请他加入俱乐部。
典型例题
It is not ____ to discuss the question again and again.
A. worth B. worthy C. worthwhile D. worth while
答案C. 由worth的用法可知,此句只适合词组be worthwhile to do sth.。选C。
动名词是非限定动词的一种形式,由动词原形+ing构成。它既有动词的特征,又有名词的特征,故称。动名词也有时态和语态的变化,如表所示(以及物动词write为例),不及物动词没有语态的变化。
时态/语态 主动 被动
一般式 writing being written
完成式 having written having been written
6.1 动名词作主语、宾语和表语
1)作主语。例如:
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2016-02-29
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