"That's really kind of nice — for them to take care of all those kids like that, when they're so young and everything."

问题描述:

"That's really kind of nice — for them to take care of all those kids like that, when they're so young and everything."
1.for是介词,那to take care是不定式做them的什么?for sb. to do sth.?这个结构是nice的同位语?
2.when they're so young and everything是定语从句修饰that,还是时间状语从句?因为宾语从句的连接副词也有when……

1.for them 是介词短语作状语,to take care of...是不定式作状语,for them to take care of 合起来仍然做状语,是副词形式的,修饰前面的形容词 nice2.when they're so young and everything 是时间状语从句全句:他们...