All my time is taken up washing clothes.
请问老师，sth be taken up +doing 是什么使用方法？是sth be taken up in doing省去介词in的使用方法吗？ 为何不是 sth be taken up to do ?
我觉得这里的doing应当剖析为状语，从语义上分类可以视为缘由状语。
第一大家注意到，doing从句不是需要存在的：
All of his time is taken up. 他的时间几乎都占满了。
第二，doing从句的形式是多样的。在语料库中可看到：
I got no sleep that night, whichwastakenupwithlearningmy role as Tormess supposed volunteer, and learning my lines.
So much of her timewastakenupinreadingat the officethat it was rare to see her produce the same volume on more than two or three occasions.
Surely, a major part of the CEA chairmans timeistakenupbyparticipatingin meetings with other Cabinet-level officials.
这就说明，这个从句与主句的关系是比较松散的。
作为比较，注意I spent 100 yuan on this gadget这个结构中的介词on是不可以改变的，它与主句的关系是比较紧密的，因此现代语法将on this gadget视为动词的补足成分，或称“必具状语”。
