题目内容：

动词不定式,动名词,句子做主语,谓语动词用单数还是复数

优质解答

To eat is to live(不定式）
Swimming is very interesting（动名词）
“Every coin has two sides” is an old English saying.(句子)
不知道我是不是理解了你的意思呢?具体可以hi我·