1.大多数作谓语动词 eg.I smile.
2.动名词可作主语 eg.Reading books on the bed is bad for your health.
3.构成不定式的动词还可作宾语补足语 eg.I ask him to buy a book.
1.大多数作谓语动词 eg.I smile.
2.动名词可作主语 eg.Reading books on the bed is bad for your health.
3.构成不定式的动词还可作宾语补足语 eg.I ask him to buy a book.