He found it very interesting to rede a horse.为什么It 后无be动词

He found it very interesting to rede a horse.为什么It 后无be动词 he found ______ very interesting to ride a horse on a farm. ( )8.He found very interesting to ride a horse on the farm.选 （ ）He found very interesting to ride a horse on the farm We all found ( it ) very interesting to eat.为什么要用it? a site had to be found for it 这里found不是动词吗,为什么要加be? They found very interesting to remember words.A.it B.this C. We have a book.We found it very interesting. He found ___ very difficult to drive a car.A.him B.it is C.i He found it very difficult to learn maths most of them found it to be a very good one.么意思? a site had to be found for it,为什么有for it,没有可以吗