分析句子成分 It's good for your health to do more sports.这句话中for your health做什么成分?to do more sports 做主语； is 是系动词；it是形式主语； good是表语那么for your health是做什么成分的?句子还原后：

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分析句子成分It''sgoodforyourhealthtodomoresports.这句话中foryourhealth做什么成分?todomoresports做主语；is是系动词；it是形式主语；go

分析句子成分 It's good for your health to do more sports.这句话中for your health做什么成分?to do more sports 做主语； is 是系动词；it是形式主语； good是表语那么for your health是做什么成分的?句子还原后：
分析句子成分 It's good for your health to do more sports.这句话中for your health做什么成分?
to do more sports 做主语； is 是系动词；it是形式主语； good是表语
那么for your health是做什么成分的?
句子还原后：To do more sports is good for your health.
我想知道的就是for your health具体是做什么成分的，做目的状语？还是就是跟good联在一块做表语？

分析句子成分 It's good for your health to do more sports.这句话中for your health做什么成分?to do more sports 做主语； is 是系动词；it是形式主语； good是表语那么for your health是做什么成分的?句子还原后：
It 做形式主语,那这句话可以变成To do more sports is good for your health,很明显,to do more sports 做主语,is 是系动词,根据主系表结构,那么good for your health作为一个整体,做表语.

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解析：首先这是一个句型It is +adj for/of to do sth.其中，It充当形式主语，动词不定式充当真正的主语，介词for/of+后面的成分作的是逻辑主语,那什么时候使用for/of,如果能构成逻辑上的系表结构，我们就使用介词of , 否则用介词for.
Eg: It is dangerous for us to play fire.
It is polite of us to speak like that.
注：第一个句子，形容词和后面的逻辑主语就构不成系表结构，你就不能表达成我们是危险的，而第二个句子，显然可一是一个很好的系表结构，我们是有礼貌的做什么事情。

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做状语

目的状语

表语中的宾语,还原句为domoresportsisgoodforyourhealth

It's a difficult question for you to answer.句子成分分析分析句子成分 It's good for your health to do more sports.这句话中for your health做什么成分?to do more sports 做主语； is 是系动词；it是形式主语； good是表语那么for your health是做什么成分的?句子还原后： It's good for our It's good for造句 it's good for 这是个梗吗? It's good for me 请分析一句话的句子成分I found it not good for your health to eat cold food.请分析下句子各部分成分 it's never too late to learn 分析句子成分,语法. It's just not my thing 分析句子成分 It doesn't seem to be a good day for jogging能分析一下句子成分吗,我的想法，it主语doesnt seem 系动词A good day表语系表看作复合谓语jogging是宾语 it's up to everyone to decide what is right for them.帮我分析下句子成分吧属于哪种基本句型还有被动句的句子成分怎么分析啊比如：she was looked after by her mother. It's good for exercise every It's important for us_____________in good health. It's for a good RT It's good for us.的中文请分析下面的句子成分There are so many people in the hall that it's hard for me to find him. yoga is a good way for learning to relax and keep a good health 分析下句子成分 What can I do for you?分析下句子成分,顺便分析下I can do it for you.