not,,but,,‘不是,,而是,,’在两者之间可以加句子么?答:不能以not...but...作为连词使用,直接加上句子,而应该仍把它们看做连接两个短语的东西,让它们后面接从句,比如:The main probem is not that the water is too hot, but that it is not clean.I am angry not because you made mistakes, but because you did not tell me about them.