一般过去式的变化规则
一、 一般情况下，在词尾直接加ed
help—helped 帮助 look—looked 看 play—played 玩 work—worked 工作 listen—listened 听 wash—washed 洗 clean—cleaned 打扫 watch—watched 看 visit—visited 参观，拜访 water—watered 浇 pull—pulled拔，拉 milk—milked挤奶 pick—picked 摘，拾 want—wanted 想要 show—showed 展示 jump—jumped 跳 talk—talked 说话 walk—walked 步行 cook—cooked 做 plant—planted种植 ask—asked 问 park—parked 停车 litter—littered丢 touch—touched触摸 wait—waited 等待 answer—answered 回答 point—pointed 指 climb—climbed 爬 collect—collected 收集 二、以不发音的e结尾的，直接在词尾加d
live—lived 居住 hope—hoped 希望 use—used 使用 like—liked 喜欢 love—loved 热爱 taste—tasted 品尝 dance—danced 跳舞 close—closed关 smoke—smoked吸烟 三、 以元音加辅音结尾的重读闭音节，双写最后一个辅音字母，再加ed stop—stopped 停 jog—jogged 慢跑 plan—planned 计划 四、 以辅音字母加y结尾的，把y变为i，再加ed
study—studied 学习 carry—carried 搬运 cry—cried 哭 worry—worried担心 五、 不规则变化
1、 过去式和原形相同的
let—let 让 put—put放 read—read/red/ 读 cut—cut剪 2、 把i改为a
begin—began 开始 drink—drank喝 give—gave 给 ring—rang （铃、电话等）响 sing—sang唱歌 sit—sat坐 swim—swam游泳 3、 把i改为o
drive—drove 驾驶 ride—rode 骑（车、马） write—wrote 写 4、 把ow改为ew
grow—grew 生长 know—knew 知道 throw—threw 扔 blow—blew吹 5、 含ough或augh
bring—brought带来 buy—bought买 think—thought 想，认为 catch—caught捉住 teach—taught 教 fight—fought打架 6、 把eep改为ept
keep—kept 保持 sweep—swept 打扫 sleep—slept睡觉 7、make—made 做 have/has—had 有，吃 can—could 能，会 fly—flew 飞，放run—ran 跑 take—took 拿 draw—drew 画
get—got获得，变得speak—spoke 说（语言） say—said 说（说话的内容） stand—stood 站 meet-met遇见find—found 找到forget—forgot 忘记 hear—heard听说 spend—spent度过，花费wake—woke 唤醒 come—came 来 mean—meant意思是 am/is—was是（单数）are—were 是（复数） learn—learnt学习 tell-told 告诉 do/does—did 做feel—felt 感觉 go—went 去 see—saw 看见 eat—ate吃pay—paid支付
