宾语从句中if,weather,that,what,who是怎么来的

问题描述:

宾语从句中if,weather,that,what,who是怎么来的

这是宾语从句的引导词if,weather是否的意思,来自一般疑问句变成的宾语从句;that陈述句变成的宾语从句.what,who特殊疑问句变成的宾语从句.I don't know if he is right.I know that he is right.I want to know who ...