名词性从句是在句子中起名词作用的句子，它的功能相当于名词词组，它在复合句中可作主语、宾语、表语和同位语，因此名词性从句又可分为主语从句、宾语从句、表语从句和同位语从句。
Many students don’t know what they should do①，but what Xiao Meng wants to do② is earn money.The reason is that she wants to lessen her parents’ burden③.It is said that many small companies need graduates to do part-time jobs②.Xiao Meng has applied for two jobs but she is not sure whether she will be employed①.She also wonders when she will be admitted to a college① and which city she will go①.She is anxious for the news that she is admitted to a good university④.
[规则感悟] ①位于及物动词或形容词之后的从句是宾语从句。②谓语动词之前的从句为主语从句。此外，该从句可以用it作形式主语。③位于be动词之后的从句是表语从句。④位于抽象名词之后，解释该名词内容的从句为同位语从句。
