在句子中起名词作用的句子叫名词性从句(Noun Clauses)。名词性从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语、介词宾语等。根据名词性从句在句中不同的语法功能,可分为主语从句、宾语从句、表语从句和同位语从句。在中学英语中,名词性从句是非常重要的也是考生比较难以掌握的重点语法项目之一。在历年高考试题中,名词性从句也是必考考点。本文 Sentences that serve as nouns are called Noun Clauses. Nominal clause function is equivalent to the noun phrase, which can serve as the subject in the compound sentence, object language, idioms, prepositions and other objects. According to the different grammatical functions of nominal clause in sentence, it can be divided into subject clause, object clause, ephemeral clause and appositive clause. In secondary school English, nominal clause is very important, but also one of the key grammar projects that candidates are more difficult to grasp. In the calendar year college entrance examination questions, the nominal clause is also a necessary test center. This article