teach的过去式是

　　taught作为动词：教育；教( teach的过去式和过去分词 )；教书；训练。

　　例句：1、He taught science and maths.

　　他教科学和数学这两门课。

　　2、Their daughter's death had taught him humility.

　　他们女儿的死使他学会了谦逊。

　　3、I taught myself how to play the piano.

　　我自学了弹钢琴。