1、过去式变化方法：1直接加 ed，如：work worked looklooked2以不发音 e 结尾的单词，直接加 d，如：live lived hopehoped useused3以辅音字母+y 结尾的，变 y 为 i 加 ed，如：study studied carrycarried worryworried4以重读闭音节结尾的，双写最后的辅音字母+ed，如：stop stopped planplanned 重读闭音节体现形式为辅- 元-辅结构，例如 nod,n 为辅音，o 为元音，d 为辅音。5. 以 ic 结尾的动词，要把 ic 变成 ick 再加 ed，如：picnicpicnick
2、ed ，traffictrafficked6不规则变化的动词过去式：have-had are-were get-got say-said feel-felt do/does-did is-was go-wentdrink-drank eat-ate bring-brought think-thought buy-bought catch- caught teach - taught sit-sat wear-wore cut-cut sweep-swept sleepslept see-saw become-became sell-sold win-wonshine-shone build-b
3、uilt stand-stood understand-understood smell-smelt say-said pay-pad send-sent lend-lent(详见: 不规则动词)7 以辅元辅结尾的加 d英语动词按其过去式和过去分词的构成方式可分为规则动词和不规则动词。规则动词的过去式和过去分词由词尾加-ed 构成，如果有 e，只加 d，而不规则动词的 变化因词而异。初中不规则动词部分过去式表1) am/is - was 是（单）2) are - were 是（复）3) babysit - babysat 临时照顾4) bear - bore 出生5) beat - beat
4、打败6) become - became 成为7) begin - began 开始8) break - broke 破坏9) bring - brought 带来10) build - built 修建11) buy - bought 买12) can - could 能够13) catch - caught 抓住14) come - came 来15) cost - cost 支付16) cut - cut 剪17) do/does - did 做18) draw - drew 画画19) drink - drank 喝20) drink - drove 驾驶21) eat - ate 吃
5、22) fall - fell 落下23) feed - fed 喂养24) feel - felt 感觉25) fight - fought 打架26) find - found 找到27) fly - flew 飞28) forget - forgot 忘记29) freeze - froze 结冰30) get - got 得到31) give - gave 给32) go - went 去33) grow - grew 成长34) hang - hanged, hung 闲逛35) have/has - had 做；进行36) hear - heard 听见37) hold - hel
6、d 主持38) hurt -hurt 伤害39) keep - kept 保持40) know - knew 知道41) lay - laid 下(蛋)42) learn - learned, learnt 学习43) leave - left 离开44) lie - lay, lied 平卧45) let - let 让46) lose - lost 丢失47) make - made 制作48) may - might 可能49) mean - meant 表意思50) meet - met 遇见51) pay - paid 付钱52) put - put 摆；放53) read -rea
7、d 阅读54) ride - rode 骑（车）55) ring - rang 响 356) run - ran 跑57) say - said 说58) see - saw 看见59) sell - sold 卖；出售60) send - sent 发送61) shall - should 应该62) show - showed 展示63) sing - sang 唱歌64) sit - sat 坐65) sleep - slept 睡觉66) speak - spoke 说话67) spell - spelled, spelt 拼写68) spend - spent 度过69) stand - stood 站立70) sweep - swept 扫除71) swim - swam 游泳72) take - took 带走73) teach - taught 教74) tell - told 讲75) think - thought 思考；想76) wear - wore 穿77) will - would 将要78) win - won 赢79) write - wrote 写
