I'm interested in sitting in a boat and doing nothing at all.

问题描述:

I'm interested in sitting in a boat and doing nothing at all.
我觉得上面句子里的动名词很多此一举,直接写成I'm interested in sit in a boat and do nothing at all.有什么不可以?

因为in是介词,后面加doing sth.所以不能用in do.