vt. 教；教导，训练；教授；
vi. 教书；
teach后面一般接的形式如下：
teach sb. to do sth.教某人做某事
teach sb. sth. 教某人某事
teach oneself 自学
我们重点讲解teach sb. to do sth的用法
一、teach sb to do sth 的基本用法 “教某人做某事”，如：
He promised to teach her to water-ski. 他答应教她滑水。
You can teach some parrots to talk. 可以教某些鹦鹉说话。
We should teach the children to know good from bad.
我们应教育儿童分辨是非。
Parents ought to teach their children to behave themselves.
父母应教导子女举止得体。
He taught me to obey all commands without asking questions.
他教我毫无疑义地服从命令。
二、teach sb to do sth 的引申用法
teach sb to do sth有时可用于引申义，表示惩罚某人以使其不再敢做某事。这样用时主要用于以下几个句式：
1. I’ll teach sb (not) to do sth
可根据情况译为：如果……我要让你有得瞧；你若……我就要教训你；如果你……我就要对你不客气。如：
I’ll teach you to call me a liar! 你说我说谎，我就要教训你!
I’ll teach you to call him names! 如果你辱骂他，我就要对你不客气了。
I’ll teach you to get smart with me. 你胆敢对我出口不逊，我要好好教训你。
Where’s Jimmy? I’ll teach him to disobey me.
吉米在哪？他胆敢不听我的话，我要好好教训教训他。
2. That’ll teach sb (not) to do sth
通常可译为：这就是给……做某事的教训；看……还（敢不敢）做不做某事。如：
That’ll teach you to be late! 这就是迟到给你的教训！
So Roger spent the night in a freezing garage, did he? That’ll teach him to go out without his house keys! 罗杰在冷冰冰的车库里过了一晚是吗？那就是他不带房门钥匙出去的教训。
So you lost all your money? That’ll teach you to gamble. 这么说，你把钱都输光了? 这就是赌博给你的教训。
He’s left her, has he? Ha! That’ll teach her to go chasing other women’s husbands! 他把她给甩了，是吗？哈哈！这看她今后还追不追别人的丈夫！
There. That’ll teach you to get smart with me. 怎么样，你胆敢对我出口不逊，现在尝到什么滋味了吧。
3. This’ll teach sb (not) to do sth
通常可译为：要让……尝尝做某事的后果；要给……以教训；要惩罚……做某事；好好教训……使其不敢做某事。如：
This will teach you not to shit on me. 我要让你尝尝告发我的后果。
This’ll teach him to put a frog in my bed. 他胆敢把青蛙放在我床上，我就要让叫他尝尝这样干的后果。
说明：This’ll teach sb (not) to do sth 与 That’ll teach you (not) to do sth 的区别是，前者主通常在进行惩罚之前用，后者则通常在进行惩罚之后用。
另外，有时若语境明确，可省略其后的不定式，其翻译也可采用以上类似的表达。如：
So you were ill after eating those green apples, were you? That’ll teach you. 这么说你是吃了那些生苹果才得病的，是吗？这就是给你的教训。
1. Most religions teach you to be truthful and self-disciplined.
多数宗教教导人们要真诚和律己。
2. He uses tapes of this program to teach English.
他用这个节目的录像带教授英语。
3. I want to teach Irish so that it won'tdie out.
我想教爱尔兰语，这样它就不会彻底消失。
4. The aim of discipline is to teach children to behave acceptably.
纪律的目的是教育儿童举止得体。
5. Rarely do schoolteachers have leeway to teach classes the way they want.
鲜有学校老师可随心所欲地教书的情况。
6. She was trying to teach him to play the guitar.
她在试着教他弹吉他。