teach的用法

Some grammarians have objected to the use of teach as a transitive verb when its object denotes an institution of learning, as in
一些语法学家反对teach 在它的宾语表示学习的机构时它作为及物动词的用法， 如在
Kim teaches grade school.
吉姆执教于小学中。
This usage has wide currency at all levels, however, and is supported by the analogy to phrases such as grade-school teacher. It should be regarded as entirely correct.
然而，这一用法在不同层次都广泛流行，并且得到形如小学教师 的类似短语的支持。 它应该被认为是完全正确的

teach sb a lesson 给某人……教训

是作业上的吧，你去新浪，上爱问

teach sb to do sth 教某人做某事