1 公共英语三级语法知识大全 一、句法分析.......................................................................................................................... 1 二、词法分析.......................................................................................................................... 2 三、时 态............................................................................................................................... 8 四、被动语态........................................................................................................................11 五、情态动词........................................................................................................................ 12 六、不定式............................................................................................................................14 七、定语从句........................................................................................................................17 八、主语从句........................................................................................................................ 22 九、表语从句........................................................................................................................ 23 十、宾语从句........................................................................................................................23 十一、同位语从句................................................................................................................24 十二、状语从句.................................................................................................................... 25 十三、虚拟语气.................................................................................................................... 41 十四、动名词........................................................................................................................ 27 十五、现在分词...................................