All i need is a car that gets me from A to B 用了什么句型

你好,这个句子结构是:
主语从句+BE+表语+定语从句;
All i need是一个主语从句;
is 是谓语动词;
a car是句子的表语;
that gets me from A to B是一个定语从句,修饰前面的名词a car.
如下面的句子:
What you need to do is to help him.
What I need is a book which can tell me the truth.