表示年齡
1.直接用基數詞
Her daughter is eighteen. 她的女兒18歲。
2.基數詞-year-old , 做前置定語
Her 18-year-old daughter is now in the university. 他18歲的女兒現在上大學。
基數詞 + years old =基數詞+years of age
Her daughter is eighteen years old.
= Her daughter is eighteen years of age. 她的女兒18歲。
3.at the age of +基數詞 在……年齡
Her daughter got married at the age of eighteen. 她的女兒18歲就結了婚。
4.of + 基數詞,做後置定語。
Her daughter is now a pretty girl of 18. 她女兒現在一個18歲的美少女了。
5.aged +基數詞,做後置定語。
Lying on the floor was a boy aged about seventeen. 躺在地板上的是一個約莫十七歲的男孩。
eight-year-old 八歲大的
fifteen-year-old 15歲大的
辨析: 基數詞-year-old 基數詞+year(s)+old
基數詞-可數名詞單數-形容詞 基數詞-year-old ...歲大的 ,後接名詞
表示計量的名詞year用單數形式
複合形容詞,只能放在名詞前,作前置定語,不能作表語。
Tom is a twelve yearold boy. 湯姆是一個十二歲大的男孩。
Mr Wang has a twoyearold son.王先生有一個兩歲大的兒子。
My best friend is a sixteen-year-old girl from a mountain village.我最好的朋友是一個來自山村的16歲的女孩。
Her 18-year-old daughter is now in the university. 他18歲的女兒現在上大學。
We’ll have a three-day holiday.我們將有一個3天的假期。
基數詞+year(s) old ,放在be動詞後,作表語,表示人的年齡
基數詞大於1時,year用複數形式, ……歲
Tom is twelve years old. 湯姆十二歲。
Her daughter is three years old.她的女兒三歲了。