I'm sure eating too much junk food is not good for your healthy 为什么eat要用ing形式?
问题描述:
I'm sure eating too much junk food is not good for your healthy 为什么eat要用ing形式?
答
相当于句首,I'm sure只是插入语。
答
因为 be sure doing sth
答
eating too much junk food 是动名词短语,做从句eating too much junk food is not good for your healthy的主语.eat为动词,动词原形不能做主语
healthy应该是health