teach的過去式英文

　　例句：

　　Children must be taught the difference between right and wrong.

　　必須教兒童分清是非。

　　I hope we have taught our children to know right from wrong.

　　我希望我們教給了孩子分辨是非的能力。

　　The database could be used as a teaching resource in colleges.

　　資料庫可以用作大學裡的'一種教學輔助手段。

　　Does the quality of teaching depend on class size?

　　教學質量取決於每個班的人數嗎？

　　He was put off science by bad teaching.

　　教學不好使他失去了對理科的興趣。