All I am trying to do is to clear all the rubbish here.to充当的成分是什么
问题描述：
All I am trying to do is to clear all the rubbish here.to充当的成分是什么
答
to clear all the rubbish here不定式做表语。
答
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
答
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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