be worth后面动词用什么形式

Worthwhile (adj) 值得的 worthwhile 用于下列句型： It is worthwhile doing sth./ to do sth. 干某事是值得的 但不能说：sth. is worthwhile doing/ to do 长城值得去旅游。It is worthwhile visiting/ to visit the Great Wall. worth 用于下列句型：sth. is worth sth/ doing 此句型中只能用doing， 不能使用被动。 The museum is certainly worth a visit. =The museum is certainly w orth visiting. 这个博物馆的确值得参观。 This idea is well worth considering. 这个想法很值得考虑。 worthy 用于下列句型：sth. be worthy of sth/ being done sth. be wo rthy to be done 这部电影值得看。The film is worthy of being seen.= The film is wort hy to be seen.

你好。是sth is worth doing :
比如说： 这本书值得一读------
This book is worth reading.
== This book is worthy of being read.
==== This book is worthy to be read.

是后者，接动名词短语。

be worth doing sth