Parts of Speech: 词性; 词类
Nouns are inflected by number, gender and case. 影响名词的因素:数(单复);性;格(主格,宾格,所有格)。
Adjectives have three forms called degrees of comparison, the positive, the comparative and the superlative.
形容词的三种形式:原级/比较/最高级。
There are three kinds of pronouns Personal, Relative and Adjective Pronouns.
代词的三种形式:人称代词(I, you, he/she);关系代词who,whom,whose,that,which,what用以引导定语从句.);形容性代词,分为多种。