句式一：Sth is worth doing (sth为doing 的逻辑宾语)

These old clothes are not worth keeping. 这些旧衣服不值得存放了。

Each book on this shelf is worth reading. 这个架子上的每一本书都值得一读。

If a book is worth reading, it is worth buying. 如果一本书值得读，那它就值得买。

句式二：Sb is worth doing (sb为doing 的逻辑宾语)

She’s not worth getting angry with. 犯不上跟她生气。

She has capabilities as a singer and is well worth training. 她具有歌唱家的潜能，很值得培养。

句式三：It is worth doing sth (it为形式主语)

It isn’t worth repairing the car. 这辆汽车不值得修了。

It is just not worth taking any chances. 这事根本不值得去冒险。

It’s not worth bothering with an umbrella—the car’s just outside. 不必打伞，车就停在外面。

句式四：It’s worth (one’s) while to do sth (doing sth)

It’s worth while doing (to do) the work. 这项工作值得做。

It’s worth your while to visit (visiting) the museum. 这个博物馆值得你去看看。