动词过去式不规则变化.ppt

1、巧记初中英语单词动词不规则变化形式英语动词的不规则变化形式虽多种多样，却也是可以找到一些规律的。看了下面的归纳后，你会发现：动词的不规则变化形式，并不难记！AAA型原形、过去式和过去分词三者都相同。（共9个）costcostcostcutcutcuthithithithurthurthurtletletletputputputreadreadreadsetsetsetshutshutshutABB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

2、ild，-end时，只需把d变为t。（4个）buildbuiltbuiltlendlentlentsendsentsentspendspentspent3.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）telltoldtoldsellsoldsold6.过去式、过去分词都含有-elt或-ilt。（4个）smellsmeltsmeltspellspeltspeltfeelfe

3、ltfeltspillspiltspilt7.过去式、过去分词都在原形词尾加t。（3个）learnlearntlearntmeanmeantmeantspoilspoiltspoilt8.过去式、过去分词词尾是d。（4个）saysaidsaidpaypaidpaidlaylaidlaidhearheardheard9.改变元音字母。（11个）meetmetmetgetgotgotsitsatsatfindfoundfoundholdheldheldspitspatspatshineshoneshonewinwonwonhanghunghungdigdugdugloselostlost10.改变

4、辅音字母。（1个）makemademade11.改变元、辅音字母。（4个）leaveleftleftstandstoodstoodhave（has）hadhadunderstandunderstoodunderstoodABC型原形、过去式、过去分词都不相同。（共35个）1.iau变化。（6个）beginbeganbegundrinkdrankdrunksingsangsungringrangrungswimswamswumsinksanksunk2.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）blowblewblowndrawdrewdraw

5、ngrowgrewgrownknowknewknownthrowthrewthrown3.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）drivedrovedrivenwritewrotewrittenrideroderiddenriseroserisen4.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构成。（1个）forge

6、tforgotforgotten6.过去分词由原形加（e）n构成。（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）taketooktakenmistakemistookmistaken8.原形、过去式和过去分词都不相同。（6个）dodiddoneflyflewflowngowentgonelielaylainshowshowedshownwearworewornAAB型过去式和原形相同。（1个）beatbeatbeatenABA型过去分词和原形相同。（3个）comecamecomebecomebecamebecomerunranrun情态动词型只有原形和过去式，没有过去分词。（4个）cancouldmaymightwillwouldshallshould