动词不规则变化.pdf
英语动词不规则变化 时态是中学阶段的重点,也是难点。而与其息息相关的动词（尤其是不规则动词)的过去式、过去分词的变化散乱难记,令人头疼。可仔细琢磨就不难发现它们的变化有一定的规律可循.一、AA-A 型。即原形、过去式和过去分词三者都相同（9 个）cost-costcost cut-cut-cut hithithit hurthurt-hurt let-letlet putputput readreadread setsetset shut-shut-shut 二、A-B-B 型。即过去式和过去分词相同（共 41 个）1.过去式和过去分词都含有-ought（3 个）bring-brought-brought buyboughtbought think-thought-thought 2.词尾有ild，-end 时，只需把 d 变为 t（4 个）build-built-built lendlentlent sendsentsent spendspent-spent 3.过去式、过去分词都含有-aught(2 个)catchcaughtcaught teachtaught-taught 4.把eep 变为-ept（3 个）keepkept-kept sleepsleptslept sweepsweptswept 5.把ell 变为-old（2 个)telltoldtold sell-soldsold 6.过去式、过去分词都含有-elt 或-ilt（4 个）smell-smelt-smelt spell-speltspelt feelfeltfelt spill-spilt-spilt 7.过去式、过去分词都在原形词尾+t（3 个）learnlearntlearnt meanmeantmeant spoil-spoiltspoilt 8.过去式、过去分词词尾都是d(4 个）saysaidsaid pay-paid-paid lay-laidlaid hear-heard-heard 9.改变元音字母（11 个）meetmetmet get-got-got sit-satsat findfound-found hold-held-held spit-spat-spat shineshone-shone win-wonwon hang-hung-hung digdug-dug loselostlost 10.改变辅音字母（1 个）makemade-made 11.改变元、辅音字母（4 个）leaveleft-left stand-stoodstood have/has-hadhad understand-understoodunderstood 三、AB-C 型。即原形,过去式和过去分词都不相同(共 35 个）1.ia-u 变化（6 个）begin-beganbegun drinkdrank-drunk singsangsung ring-rangrung swim-swan-swum sink-sank-sunk 2.词尾为ow，-aw 时，过去式将其变为-ew,过去分词在其原形后+n（5 个）blow-blew-blown drawdrew-drawn grow-grewgrown knowknew-known throw-threwthrown 3.词尾为“i+辅音（1 个）+e”，过去式将 i 变为 o，过去分词多在原形后+n，若那个辅音字母为 d 或 t，须双写 d 或 t 再+n(4 个）drivedrove-driven writewrotewritten riderode-ridden riserose-risen 4.过去分词在过去式后+(e)n（5 个）break-brokebroken choosechose-chosen freeze-froze-frozen speak-spokespoken wakewokewoken 5.过去分词由过去式+ten 构成(1 个)forgetforgotforgotten 6.过去分词由原形+（e）n 构成（6 个）be-was/were-been eatateeaten fall-fell-fallen give-gave-given see-saw-seen hidehidhidden 7.词尾为-ake 时，过去式将其变为-ook，过去分词在原形后+n（2 个）taketooktaken mistake-mistook-mistaken 8.原形。过去式和过去分词都不相同（6 个)do-diddone flyflew-flown go-went-gone lielay-lain show-showed-shown wearwore-worn 四、A-AB 型,即过去式和原形相同（1 个）beat-beatbeaten 五、ABA 型，即过去分词和原形相同（3 个)comecame-come become-became-become run-ran-run 六、情态动词，只有原形和过去式，没有过去分词（4 个）can-could maymight will-would shallshould
