A ship in the harbor is safe ,but that's not what ships are built for 详细分析这个句子的语法、句型
问题描述：
A ship in the harbor is safe ,but that's not what ships are built for 详细分析这个句子的语法、句型
A ship in the harbor is safe ,but that's not what ships are built for
详细分析这个句子的语法、句型.
答
停在港口的船不会有危险,但是造船不是为了停到港口.
其实,两个句子都是“主系表”结构.用并列连词but连接起来
但是,后句表语相对复杂点,表语是what ships are built for,= for what ships are build,是个名词性从句,意思是：为此而造船.不是，宾语从句要放在实义动词的后面，而表语从句是放在be动词后面的，这个很好区分很乐意回答你的问题