精选优质文档-倾情为你奉上Unit2 单元核心语法that, whether / if引导的宾语从句在复合句中,由一个句子充当宾语,这个句子叫作宾语从句。我们需要从三方面来学习由that, whether / if引导的宾语从句。一、关联词1.陈述句作宾语时,宾语从句用that引导。that只起连接作用,没有实际意义,在从句中不充当任何成分,因此常省略。如:He can visit Beijing one day. My brother hopes. (合并为含有宾语从句的复合句)My brother hopes (that) he can visit Beijing one day.2.一般疑问句作宾语时,宾语从句用whether或if引导。whether和if意为“是否”,在从句中不充当任何成分,但不可省略。如:Is Toms sister an English teacher? May wants to know. (合并为含有宾语从句的复合句)May wants to know whether / if Toms s