动词过去式不规则变化省公共课一等奖全国赛课获奖课件.pptx

巧记初中英语单词动词不规则改变形式英语动词不规则改变形式虽各种多样，却也是能够找到一些规律。看了下面归纳后，你会发觉：动词不规则改变形式，并不难记！第1页AAA型原形、过去式和过去分词三者都相同。（共9个）costcostcostcutcutcuthithithithurthurthurtletletletputputputreadreadreadsetsetsetshutshutshut第2页ABB型过去式、过去分词相同。（共41个）1.过去式和过去分词都含有-ought。（3个）bringbroughtbroughtbuyboughtboughtthinkthoughtthought2.词尾有-ild，-end时，只需把d变为t。（4个）buildbuiltbuiltlendlentlentsendsentsentspendspentspent第3页3.过去式、过去分词都含有-aught。（2个）catchcaughtcaughtteachtaughttaught4.把-eep变为-ept。（3个）keepkeptkeptsleepsleptsleptsweepsweptswept5.把-ell变为-old。（2个）telltoldtoldsellsoldsold第4页6.过去式、过去分词都含有-elt或-ilt。（4个）smellsmeltsmeltspellspeltspeltfeelfeltfeltspillspiltspilt7.过去式、过去分词都在原形词尾加t。（3个）learnlearntlearntmeanmeantmeantspoilspoiltspoilt第5页8.过去式、过去分词词尾是d。（4个）saysaidsaidpaypaidpaidlaylaidlaidhearheardheard9.改变元音字母。（11个）meetmetmetgetgotgotsitsatsatfindfoundfoundholdheldheldspitspatspatshineshoneshonewinwonwonhanghunghungdigdugdugloselostlost第6页10.改变辅音字母。（1个）makemademade11.改变元、辅音字母。（4个）leaveleftleftstandstoodstoodhave（has）hadhadunderstandunderstoodunderstood第7页ABC型原形、过去式、过去分词都不相同。（共35个）1.iau改变。（6个）beginbeganbegundrinkdrankdrunksingsangsungringrangrungswimswamswumsinksanksunk第8页2.词尾为-ow，-aw时，过去式将其变为-ew，过去分词在其原形后加n（show除外）。（5个）blowblewblowndrawdrewdrawngrowgrewgrownknowknewknownthrowthrewthrown3.词尾为“i辅音e”，过去式将i变为o，过去分词多在原形后加n。若辅音字母为d或t，须双写d或t后加n。（4个）（give，hide除外）drivedrovedrivenwritewrotewrittenrideroderiddenriseroserisen第9页4.过去分词在过去式后加（e）n。（5个）breakbrokebrokenchoosechosechosenfreezefrozefrozenspeakspokespokenwakewokewoken5.过去分词由过去式加-ten组成。（1个）forgetforgotforgotten第10页6.过去分词由原形加（e）n组成。（6个）bewas（were）beeneatateeatenfallfellfallengivegavegivenseesawseenhidehidhidden（hid）7.词尾为-ake时，过去式将其变为-ook，过去分词在原形词后加-n。（2个）taketooktakenmistakemistookmistaken第11页8.原形、过去式和过去分词都不相同。（6个）dodiddoneflyflewflowngowentgonelielaylainshowshowedshownwearworeworn第12页AAB型过去式和原形相同。（1个）beatbeatbeaten第13页ABA型过去分词和原形相同。（3个）comecamecomebecomebecamebecomerunranrun第14页情态动词型只有原形和过去式，没有过去分词。（4个）cancouldmaymightwillwouldshallshould第15页第16页第17页