英语语法术语语法grammar句法syntax词法morphology结构structure层次rank句子sentence从句clause词组phrase词类partofspeech单词word实词notionalword虚词structuralword单纯词simpleword派生词derivative复合词compound词性partofspeech名词noun专有名词propernoun普通名词commonnoun可数名词countablenoun不可数名词uncountablenoun抽象名词abstractnoun具体名词concretnoun物质名词materialnoun集体名词collectivenoun个体名词individualnoun介词preposition连词conjunction动词verb主动词mainverb及物动词transitiveverb不及物动词intransitiveverb系动词linkverb助动词auxiliaryverb情态动词modalverb规则动词regul
