有没有ten-year old这种说法?

问题描述:

有没有ten-year old这种说法?
我知道ten-year-old可以做形容词.比如He is a ten-year-old boy
那可不可以说He is ten-year old?

没有ten-year old的说法
He is ten years old.是正确的说法
总结一下:
ten-year-old作定语
ten years old 做表语