China is becoming more and more stronger.It is no longer what it used to be.分析下表语从句中what成分
问题描述：
China is becoming more and more stronger.It is no longer what it used to be.分析下表语从句中what成分
答
is后面由what引导表语从句,因此what后的句子要用陈述句语序
而句子的意思是中国不再是它过去的模样了,因此用了词组used to be
因为中国是一个国家,一个“物”,因此由what引导what在从句作什么成分？what在表语从句中作表语。其实句子顺序是it used to be what..但句子是表语从句，因此把what提前，所以what是表语从句中used to be的表语。