teach
1.下面各句都可以说：
- He teaches Chinese. He teaches foreigners.
- He teaches foreigners Chinese.
- He teaches Chinese to foreigners.
2.在teach后面所接的不定式的前面有时用how，有时不用how。例如：
- His father taught him (how) to swim.
- His brother taught him how to catch butterflies.
3.I'll teach you to cheek me! 是“我要给你吃苦头，使你不敢再对我无礼！”I wish someone would teach him to drive as he did是“我但愿有人给他吃苦头，使他不敢再像以前那样鲁莽地开车”。
4.注意The book he is teaching from is a new grammar里用from。
5.关于teach school，参见school 6
