worth一般只用作表语
1．主语（物）+be +worth + 名词。
Hawaii is a beautiful place for travelling and worth a visit. 夏威夷是个旅游胜地，值得一游。
The new bike is worth 350 yuan 。这辆新自行车值350元。
2．主语（人）+ be +worth + (表示金钱或财产)名词。表示“拥有……财产”。
He is worth several million dollars .他有好几百万美元的财产。
How much is Mr. Green worth ?格林先生有多少财产。
3．主语（物）+ be + worth +动名词。
The book is worth reading .这本书值得一读。
The car isn't worth repairing.这辆汽车不值得修了。
请注意：（1）在这种情况下，名子的主语与动名词在逻辑上有动宾关系，因此这个动名词应该是及物的（如上述例句）或具有及物性质的短语动词（如下述例句）。
The broadcast programme is worth listening to .这条广播节目值得一听。
The picture is worth taking good care of .那幅画值得好好保存。
（2）在这结构中，也可用先行词it 作主语。
It is worth repairing the TV set. 这台电视机值修一下。
（3）worth前面，一般用well修饰，不用very。
The scheme is well worth a try .这个计划很值得一次。
4．Worth one's while "对……是值得做的，对……有益的，使感兴趣的”，主语是动名词或动词不定式。句首用it作形式主语。
（1） It is worth (one's) while + doing sth.值得某人做某事。
It is worth out while discussing the question again .这个问题值得我们再讨论一下。
（2） It is worth (one's)while +to do sth. =To do sth .is worth(one's)while.值得（某人）做某事。
It would be well worth your while to come to the meeting. 来参加这个会议对你来说是很值得的。追问
和worthwhile之间怎么转化
追答楼上不是已经回答了吗
如：那个地方值得一去。正：The place is worth a visit.正：The place is worthy of a visit.正：The place is worth visiting.正：It is worth visiting the place.正：The place is worthy of being visited.正：The place is worthy to be visited.正：It is worthwhile visiting the place.正：It is worthwhile to visit the place.
(1) be worthwhile 后接动名词或不定式均可（be worth 后面只能接动名词货名词）。如：It is worthwhile buying the dictionary. 这本词典值得买。(其中的 worthwhile 也可换成 worth)It is worthwhile to discuss the plan again. 这个计划值得再讨论一次。worthwhile 不能换成 worth，因为其后接用了不定式)
(2) 有时可将worthwhile分开写，此时也可在其中加上one’s。如：
I’d think it worth while to go. 我认为值得去。
“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.
值得某人去做某事追答
worth的用法
adj.值得(做某事); 有(做某事)的价值
n.价值; 用处
常见结构
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。
worthwhile呢
追答worthwhile？短语？