不规则动词 irregular verbs
irregular 不规则的，不规律的，不规则变化的
表示否定的词头-ir + regular 规则的，规律的
规则动词 regular verbs

be - was [单数] / were [复数] 
become - became 变成，成为，变得
begin - began 开始
break - broke 破碎，打破，弄坏
bring - brought 拿来，带来
buy - bought 买，购买
catch - caught 抓住，接住
choose - chose 选择，挑选
come - came 来，过来
cost - cost 价格为，要花费
do - did 做
drink - drank 喝
drive - drove 开（车），驾驶
eat - ate 吃
fall - fell 跌倒，跌落，降落
feel - felt 感觉，觉得
find - found 发现，找到
fly - flew 飞，飞行
forget - forgot 忘记，遗忘
have - had 有，拥有
hear - heard 听见，听到
get - got 获得，得到
give - gave 给，送给，提供
go - went 去，走
know - knew 知道，认识，了解
learn - learnt / learned 学习，学会，记住
leave - left 离开，留下，剩下
lose - lost 丢失，失去
make - made 做，制作，制造
meet - met 会面，遇见
pay - paid 支付，花钱
put - put 放，放置
read - read (/red/) 阅读，看懂
ring - rang 打电话，响起铃声
run - ran 跑步，奔跑
say - said 说，讲
see - saw 看，看见，看出
sell - sold 卖，出售
send - sent 送，发送，寄
sit - sat 坐，坐下，就坐
sing - sang 唱歌
sleep - slept 睡觉
speak - spoke 说，讲，说话
spend - spent 花费，用
take - took 拿，拿走
teach - taught 教，教授
tell - told 告诉，说
think - thought 想，觉得，认为
understand - understood 明白，理解，懂得
wake up - woke up 醒来
wear - wore 穿（衣服），戴（首饰帽子手套等）
win - won 赢，赢得，获胜
write - wrote 写，写字，写信