All I am trying to do is to clear all the rubbish here.to充当的成分是什么

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All I am trying to do is to clear all the rubbish here.to充当的成分是什么

All 主语
I am trying to do 定语修饰All
is to clear all the rubbish here.系表结构作谓语.
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两个to都是动词不定式,前面一个作trying的逻辑宾语,后面一个做is的标语

to clear all the rubbish here不定式做表语。