worth worthy worthwhile 分别有什么用法？三者有什么区别？

worth worthy worthwhile 分别有什么用法？三者有什么区别？

worth worthy worthwhile  三者的用法和区别如下：
1、worth adj&n.值得，应该,作形容词在句中只能作表语
【句型1】sb./sth. be worth ... :

【例句1】His words are worth notice.他的话值得注意.
【句型2】be (well) worth doing  (很)值得做...,注意这个句型是主动表被动的用法。
【例句2】This book is worth reading.
2、worthy adj&n.有价值的,值得...的,做形容词时既可以做表语又可以作定语
【句型1】be worthy of +n.
【例句2】He is worthy of our praise.
【句型2】be (quite)worthy of being done (很)值得做... :
【例句2】The film is worhty of being watched.
【句型3】be worthy to be done (很)值得做... ,上面的句子可以改写为:
【例句3】The film is worthy to be watched.
3、worthwhile adj.值得做的..值得出力的,既可以做表语又可以作定语
【句型】be worthwhile doing/be worthwhile to do:
【例句】It is worthwhile discussing the question again.=It is worthwhile to discuss the question again

扩展资料：
（1）在现代英语中，在 be worth 前使用形式主语 it 被认为是合习惯的。如：
It isn’t worth repairing the car. 这辆汽车不值得修了。
但是，若不用形式主语 it 而直接用动名词作主语则是错误的，如：
误：Repairing the car is worth.
（2）有关 be worthy 的搭配习惯
be worthy 后不能直接跟名词、代词或动名词，若要接，应借助介词of。如：
Their efforts are worthy of your support. 他们的努力应得到你的支持。
（3）与 be worth 后只接动名词不接不定式不同，be worthy 后不接动名词，而接不定式（若该不定式要表示被动意义，则应用被动形式）。如：
This suggestion is worthy to be considered. 这个建议值得考虑。
（4）若要在 be worthy 后接动名词，与后接名词时的情形一样，应借助介词 of，且该动名词若要表示被动意义，要用被动形式。如：
This suggestion is worthy of being considered 〔=to be considered〕. 这个建议值得考虑。
（5）有关 be worthwhile 的搭配习惯
（1） be worthwhile 后接动名词或不定式均可。如：
It is worthwhile buying the dictionary. 这本词典值得买。（其中的 worthwhile 也可换成 worth）

worth作表语
Worth+n.或worth doing sth.
习惯用语
for all one is worth
拼命地, 尽力地; 最大限度地, 尽量地
for what it is worth
不论其真伪, 不论其价值如何, 不敢担保
get one's money's worth
钱花得值, 钱没白花, 上算
of great worth
价值很高的
of little worth
价值很少的, 不足道的
of no worth
没有价值的
We never know the worth of water till the well is dry.
[谚]井干方知水可贵。
worth it
值得化费时间[精力], 值得一干, 有必要
特殊用法
actual worth
实值
conservative net worth
股东资利
control-rod worth
控制棒补偿性能
good penny worth
便宜货
money's worth
币值, 值钱之物
net assaes worth
资产净值, 净资产值
net worth
资本净值, 净值
net worth to assets ratio
资本净值与负债比率
net worth to fixed capital ratio
资本净值与固定资本比率
present worth
现在价值
present worth of income
未来收益现值
reactivity worth
反应性能
share worth
股票值
sterling worth
真值
total net worth
净值总额
worth to current debt ratio
资本流动负债比率
worth to fixed debt ratio
资本固定负债比率
例：The picture is worth at least twenty pounds.
这张图片至少值二十英镑。
Worthy 可作表语也可作定语，
Worthy of sth.或worthy to do sth.
例:He is worthy of our praise.
他值得我们赞许。
Worthwhile 意思为“值得的，有意义的”
Worthwhile doing sth.或worthwhile to do sth.
例：The teacher recommended some really worthwhile novels to his students.
老师推荐给学生一些真正有价值的小说。

没有长篇大论，简单扼要，背出下面的句子：
IT IS (NOT) WORTHWHILE TO DO STH.===TO DO STH. IS (NOT) WORTHWHILE . WORTHWHILE直接做表语。但可以改写成以下句子：
The question isn't worthy of being discussed again
The question is not worthy to be discussed again.
The question is not worth discussing again.
sb is worthy to do sth. 的结构，翻译是某人有资格做某事，不解释为---值得，有价值:
she is worthy to get our praise

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 worth 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 worthy to be done
这部电影值得看。The film is worthy of being seen.= The film is worthy to be seen.

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