I spend lots of time with my homework这句话对吗?请指出错误那为什么在“I spend time with my friends"中可以用”with“?

问题描述:

I spend lots of time with my homework这句话对吗?
请指出错误
那为什么在“I spend time with my friends"中可以用”with“?

with改为on

应该是on
spend on sth
spend in doing sth

spend on sth
spend (in) doing sth
但是,没有spend with这个句型的

spend on是固定搭配,指花多少时间在某事上