taught的原形是teach.
taught 英 [tɔːt] 美 [tɔt]
teach的过去式和
过去分词teach 英 [ti:tʃ] 美 [titʃ]
vt.
教；讲授：
He taught me how to swim.
他教我怎样游泳。
He taught his students all he knew.
他对学生倾囊以授。
She taught chemistry to the students.
她教学生化学。
教育，教导：
All this taught them how to cope with difficulties.
所有这些都教育了他们应如何克服困难。
使…学习；训练：
He taught the girl to read and write.
他教女孩看书写字。
My mother taught me how to operate the washing machine.
妈妈教我如何使用洗衣机。
[口语]教训；告诫…不要；使明白：
I will teach you to meddle in my affairs.
你要再干涉我的事，我就不客气了。
The accident taught him to be more careful.
这起事故的教训使他变得更小心。
vi.
教书，教学，任教，当教师：
She teaches in a state university.
她在一所州立大学任教。
I have been teaching four periods already this morning.
今天上午我已经上了四堂课了。
…被讲授；…可以教；…教起来(如何)：
This is a course that teaches easily.
这是一门容易教的课。
【机器人】教导；示教
n.
[口语]教师
短语:
teach one's grandmother to suck eggs 给比自己更有经验的人出主意；班门弄斧[亦作 teach a dog to bark]
teach school [
美国英语]教书，任教
teach someone to do something [口语](常与 will 连用)惩治某人使不敢做某事；教训某人别做某事
That'll teach you. [口语]这就是给你的教训；这下你该学乖了。
变形
过去式： taught
过去分词： taught
现在分词： teaching
第三人称单数： teaches