口诀1
教书被抓，有a则a，aught (2个单词：catch和 teach）
原形→aught →aught
catch caught caught 捉,抓
teach taught taught 教
口诀2
想带来买（个）打架，无a则o， ought (4个单词： bring；buy；fight ；think .）
原形→ought →ought
bring brought brought 带来
buy bought bought 买
fight fought fought 打架
think thought thought 思考
2.
口诀：
加速射击喂牛遇见领导。
3.
口诀
坐下临时照看（想）吐痰，分词i变a。
4.
口诀
挖刺（粘贴）悬挂，原形中间的元音字母变成u。
5,
