动词不规则变化表及记忆口诀1. 直接在词尾加-ed。
如:clean—cleaned ，need—needed, stay—stayedwant—wanted, work—worked,2. 以不发音的e结尾的在词尾加-d。
如：live—lived, like—liked, move—moved ，use—used,3. 以一个元音字母加一个辅音字母结尾的重读闭音节动词，先双写结尾的辅音字母，再加-ed。
如：prefer–preferred ,occur – occurredstop—stopped, trap—trapped，plan— planned，admit –admitted ，4. 以辅音字母加y结尾的动词，先把y变成i，再加-ed。
如：copy – copied ，carry—carried ，study—studied, , hurry—hurried, marry—married二、不规则动词变化，大体上归纳如下：1. 某些以t结尾的词，过去式与原形相同。
如：cut-cut-cut let-let-let hit-hit-hit put-put-putcost-cost-cost hurt-hurt-hurt2. 以end结尾的词，把d变成t。
如:bend—bent—bent, lend—lent—lent, send—sent—sent, spend—spent- spent3. 某些以n结尾的词，在词后加t。
如：mean—meant, burn—burnt, learn—learnt4. eep结尾的去掉一个e在词尾加t,如：keep—kept – kept , sleep—slept- slept, sweep – swept –swept; feel—felt – felt5. eed或eet结尾的去掉一个ebleed – bled – bled 流血，feed – fed – fed 喂meet – met –met 见speed—sped–sped6. 单词中有a 则aught,无a则ought：teach – taught – taught ; catch – caught – caught 口诀记忆：教书被抓think – thought ；bring – brought – brought , buy—bought ；fight – fought 口诀记忆：想带来买（个）打架A——B——C型（1）其元音字母变化为i→a→u1.drink drank drunk （喝）2. begin began begun （开始）3.swim swam swum （游泳）4. ring rang rung （铃响）（2）其元音字母变为i→o→变为en结尾口诀：升起驾驶骑车写字1.rise rose risen （升）2. drive drove driven （驾驶）3.ride(骑)—rode—ridden,4. write(写)—wrote—written（3）把中间的元音字母都变为o→变为en结尾口诀：偷盗醒来结冰打破选择说忘记break（打破）—broke—broken, choose（选择）—chose—chosen, freeze（结冰）—froze—frozen,speak(说)—spoke—spoken, forget(忘记)—forgot—forgotten,steal（偷盗）—stole—stolen, wake(醒来)—woke—woken（3）其词尾变化为ow(aw)→ew→own(awn) 口诀：长大后画画知道扔吹飞1.grow grew grown （成长）2. draw drew drawn （拖；拉）2.knowknewknown （知道）4. throw threw thrown （扔）blow(刮风)—blew—blown, throw（投）—threw—thrown,fly(飞)—flew—flown。
