《知识要点》一、在句中起名词作用的从句叫名词性从句,它包括主语从句、宾语从句、表语从句和同位语从句。如:whether he will come here or not is unimportant to me.(主语从句) i don’t know what he means.(宾语从句) i’m glad that you are here.(宾语从句用在形容词之后) the teacher is satisfied with what you have done.(介词宾语从句) that was because he was ill.(表语从句)