teach可用作及物动词和不及物动词，搭配有teach sb to do sth。
1、具体用法及释义
teach可作及物动词和不及物动词，均为“讲授；教授”之意。及物动词后接名词作宾语，不及物动词常搭配介词或单独使用
teach可作名词，意为“教师”。
2、搭配
teach a lesson教训某人一顿；teach sb to do sth教某人做某事；teach sb that……教导某人说……；teach school教书；当老师；teach someone a lesson惩戒；教训；teach one's grandmother to suck eggs班门弄斧；多此一举
3、变形词
过去式和过去分词均为taught；现在分词teaching；第三人称单数teaches；名词为teacher/teaching；形容词teachable。
“teach”例句：
1、They may teach very well and more than earn their salaries, but most of them make little or no independent reflections on human problems which involve moral judgment.
教师可能擅长教书，而且不仅仅专注于赚钱，但是大部分教师对涉及人类道德判断的问题很少或没有进行独立的思考。
2、He taught us that potential vanishes into nothing without effort.
他教导我们，没有努力，潜能便会消失得无影无踪。
3、" It's the way things are done, the same way younger people are taught to honor older people, " he said.
“这就是做事的方式，就像年轻人被教导要尊重老年人一样”。