英语句子成分划分Weneed a place twice larger than this one

We need a place 本就是一个完整的句子,后面的 twice larger than this one 是对 a place 进行修饰,完整的句子是 We need a place which is twice larger than this one.在这里定语从句的先行词which可以和表语is一起省略,就变成现在这个句子.