file:四级、 六级基础语法讲义更新版.pdf file:新东方四级、六级英语高级语法讲义.pdf file:9.状语从句—时间、条件状语从句.swf file:6.名词性从句—从句的判别和应用.swf file:2.定语从句（2）.swf file:13.as的用法.swf file:11.状语从句—状语从句的应用.swf file:8.真题举例.swf file:6.时态语态(1).swf file:5.句子成分—形容词和副词.swf file:强调句型.swf file:2.几种做句子成分的情况（1）.swf file:1.全部否定和部分否定.swf file:1.if 引导的虚拟语气.swf file:5.独立主格结构.swf