five years old 和five-year-old的区别

来源:百度知道 编辑:UC知道 时间:2024/06/06 06:47:24
为什么 She is five years old. 不能说成She is five-year-old be动词之后可以加形容词啊

five-year-old,"-"连接多个名词用作形容词的,只能用作前置的定于。不能作表语。be动词后面是表语。

five-year-old后面要跟名词,比如She is a five-year-old girl.
它貌似是形容词

She is five-year-old 如果改成She is a five-year-old girl.那就对了.

five-year-old只能用作前置定语,不能作表语的