wanted后面的动词用什么形式

用动词不定式to do ，中文意思是想做的事，想要做

I want to do little piece of code that's going to do planar geometry.我想写一小段代码来做平面几何。

I want to do advanced study in oceanography when I graduate.

我想在毕业后继续在海洋学领域深造。