“Eat healthy food is good for us”为什么错?应怎么改正?5分钟以内,

Eating healthy food is good for us
eat是动词,不能做主语,改成名词形式那正确的呢就要这意思的Eating healthy food is good for us急啊吃干净食物对我们是有益的54321什么吗你不是说是错的那这个是原句Eat healthy food is good for us改成Eating healthy food is good for us 无语！！