with a lot of problems to settle,the president is having a hard time

问题描述:

with a lot of problems to settle,the president is having a hard time
为什么用了不定式的主动式而不是用to be settled
我知道是用主动表被动,可我不知道他属于哪条用主动表被动的规则

你知道前半句的意思吗?总理有很多问题要解决,肯定是要用主动的.The president has a lot of problems to settle