be worth的用法，他后面跟被动语态吗还有b

1、be worth doing sth.值得(做某事);有(做某事)的价值
　　
be worth sth.用于“数量、持续时间等”的名词之后，表示某物价值多少金额。
　　The new car cost a lot of money, but it’s certainly worth it.
　　买这辆新汽车花了很多钱, 但确实物有所值。
　　The thieves stole one million pounds? worth of jewellery.
　　窃贼偷走了价值100万英镑的珠宝。

2、易混辨析
　　worth/worthy/worthwhile
　　“be worth+n.”结构中，当名词为金钱时，表示“……值……钱”。
　　be worth doing sth.　……某事值得被做
　　“be worthy of+n./doing”当名词为抽象名词时，表示 “……值得……”。
　　be worthy to be done/be worthy of being done
　　某事值得被做
　　It is worthwhile to do sth. 值得做某事
　　It is worthwhile doing sth. 值得去做某事
　　It is worthwhile for sb. to do/doing sth.
　　值得某人去做某事
　　The article is worthy of careful study.
　　=The article is worth studying carefully.
　　=The article is worthy of being studied carefully.
　　=The article is worthy to be studied carefully.
　　这篇文章值得仔细学习。

be worth后跟动词的ing形式，表示被动。
The book is worht reading.(这本书值得一读，书被读)
类似的如need
Your bike needs repairing.(你的自行车需要修理)