teach的`用法
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”
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.
