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
生态木安装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
风号浪吼什么意思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
女生可爱名字keep—kept 保持 sweep—swept 打扫 sleep—slept睡觉
水准仪读数>入队申请书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
大学祝福语 八个字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 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
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