精选优质文档-倾情为你奉上复合句的概念:由一个主句和一个或一个以上的从句构成。宾语从句一概念:在句中起到宾语的作用。二宾语从句在句中的位置:(1)作动词的宾语:例:I heard that he joined the army. She did not know what had happened.(2) 作形容词的宾语例:I am afraid that I have made a mistake. (3) 作介词的宾语例:Our success depends on how well we can cooperate with one another.三常见考点分析: (一)连接词:1.引导陈述句用that(在口语或非正式文体中常常省略)。2.引导一般疑问句用if或whether。注意:下列几种情况通常使用whether:(1)在具有选择意义又有or或or not时,尤其是直接与or not连用时,往往用whether;例:I dont know whether he will