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1、现在完成时动词变化规律规 则 动 词 的 过 去 式变 化 如下：一般情况下，动词词尾加-ed ，如：workedplayedwantedacted以不发音的-e结尾动词，动词词尾加-d，如：lived moved decideddeclinedhopedjudgedraisedwiped以辅音字母 + y结尾的动词，把-y变为-i再加-ed，如：studied tried copied justified cried carried embodied emptied 以一个辅音字 母结尾的重读闭音节动词，双写词尾辅音字母，再加-ed，如：stopped begged fretted drag
2、ged dropped planned dotted dripped 注：不规则动词的过去式变 化 规 律 性 不 强， 须 多 加 记忆 。go - went make - made get - got buy - bought come - came fly-flew动词过去式，过去分词不规则变化 AB型can-could shall-should will-wouldmay-mightAAA型costcost-costcutcut-cuthithit-hit0hurthurt-hurtletlet-letmustmust-mustputput-put readread-readsetse
3、t-setshutshut-shutABAbecomebecame-becomerunran-runABBbring - brought-broughtthinkthought-thoughtteachtaught-taughtlendlent-lentspendspent-spentfeelfelt-feltkeepkept-keptsweepswept-sweptsmellsmeltsmeltsaysaid-saidtelltold-toldstandstood-stoodwinwon-wonmakemade-madefindfound-foundABCbeginbegan-begunsi
4、ngsang-sungflyflew-flown型comecame-come型 buybought-bought catchcaught-caught buildbuilt-built sendsent-sent digdug-dugsleepslept-slept leaveleft-left paypaid-paid sellsold-sold sitsat-sat learnlearnt-learnt havehad-had hearheard-heard holdheld-held型 drinkdrank-drunk swimswam-swum growgrew-grown throwthrew-thrownknowknew-knowndrawdrew-drawn speakspoke-spoken eatate-eaten riderode-ridden writewrote-written arewere-been gowent-gone wearwore-wornforgetforgot-forgotten drivedrove-driven givegave-given taketook-taken am,iswas-been dodid-done seesaw-seen
