It is important to learn some skill of communicating.的各个句子成分

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It is important to learn some skill of communicating.的各个句子成分

It is important to learn some skill of communicating.的各个句子成分
It is important to learn some skill of communicating.的各个句子成分

It is important to learn some skill of communicating.的各个句子成分
这个句子是主+系+表 结构
句子的真正主语是to learn some skill of communicating,it只是它的形式主语
句子的系动词是is
句子的表语是important
该句子本来应为To learn some skill of communicating is important.但是为了避免头重脚轻,才写成It is important to learn some skill of communicating
希望采用啊

it形式主语
is 助动词 is important系表结构
to learn...不定式做真正主语.

it 做形式主语,真正的主语是 learn some skill of communicating,is 是谓语,important是表语,整个句子是主谓表结构