my son's two-year-old 和 my son's two year old 有什么区别?
老师,请问有连字符的组合词(连字符这个杆是不能省略吗)的词组(或短语)一般作什么成分,是不是所有有杆组合的词组(或短语都是有名词或形容词性词特性?
除形容词外,还有哪些词性词组有杆词语的组合吗?
有些连字符的词组(或短语)这杆能省略不?
two-year-old是作前置定语的形容词形式,也可以是名词。不能作表语。因此你的第一个句子用其做表语是错的。第二个句子表语应为two years old.
two-year-old作名词时,复数形式为two-year-olds。
My two-year-old son is very clever.
There are several two-year-olds in the daycare centre.
复合名词带连字符、不带连字符还是直接拼写在一起主要由习惯决定。最好的办法还是查词典。如basketball, papar tiger, pencil-box
复合形容词由连字符连接最常见于作者自己临时杜撰的形容词. 如 He wrote to his friend in good-good-study English.
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