The way you thought of to do the work is very good.

【翻译】你想出的做这项工作的方法很不错。

1. to do the work 作定语，修饰the way。

2. you thought of 是定语从句，修饰 the way to do the work。

3. to do the work 是the way 的第一层修饰语，you thought of 是第二层修饰语。因为，从关系密切度来看，显然是 to do the work 跟the way 密切。所以，you thought of 作 the way to do the work 整个词组的定语。