过去分词变化规则.ppt

动词变形,——现在分词,过去分词的用法,,表示动作的完成或者被动,过去分词的不规则变化,一.AAA型（动词原形、过去式、过去分词同形）,,cost（花费）cost--cost cut（割）--cut--cut hit（打）--hit-- hit hurt 伤害）--hurt-- hurt let（让）--let --let put（放）--put --put read （读）--read-- read,二.AAB型（动词原形与过去式同形）,,beat（跳动）--beat-- beaten,,,,三.ABA型（动词原形与过去分词同形）,,become（变成）--became—become come（来）--came --come run（跑）--ran --run,,1.过去式和过去分词都含有 -ought bring—brought—brought buy—bought—bought think—thought—thought,四.ABB型（过去式与过去分词同形）,,2.词尾有-ild，-end时，只需把d变为t build—built—built lend—lent— lent send—sent—sent spend—spent— spent 3．过去式、过去分词都含有 -aught。

catch—caught—caught teach—taught—taught,,4．把-eep变为-ept keep—kept—kept s leep—slept—slept sweep— swept—swept 5.把-ell变为-old tell—told—told sell—sold—sold,,6．过去式、过去分词都含有-elt或-ilt smell—smelt—smelt spell—spelt—spelt feel—felt— felt spill—spilt—spilt 7．过去式、过去分词都在原形词尾加t learn—learnt—learnt mean—meant—meant spoil—spoilt—spoilt,8．过去式、过去分词词尾去y变-id say—said—said pay—paid—paid lay—laid—laid hear—heard—heard 9．改变辅音字母 make—made—made,,10．改变元音字母 meet—met—met get—got—got sit—sat—sat find—found—found hold—held—held spit—spat—spat shine—shone—shone win—won—won hang—hung—hung dig— dug—dug lose—lost—lost,,11.改变元、辅音字母。

leave—left—left stand—stood—stood have（has）— had—had understand—understood—understood,五.ABC型（动词原形、过去式与过去分词三者不同形）,1.i—a—u变化 begin—began—begun drink—drank—drunk sing— sang—sung ring—rang—rung swim—swam—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加n blow—blew—blown draw—drew—drawn grow— grew—grown know—knew—known throw—threw—thrown （show除外）,,3.词尾为“i＋辅（1个）＋e”，过去式将i变为o，过去分词多在原形后加n，若那个辅音字母为d或t，须双写d或t后加ngive，hide除外） drive—drove—driven write—wrote—written ride— rode—ridden rise—rose—risen,,4.过去分词在过去式后加（e）n。

break—broke—broken choose—chose—chosen freeze—froze—frozen speak—spoke—spoken wake—woke— woken,,5.过去分词由过去式加-ten构成 forget—forgot—forgotten 6.过去分词由原形加（e）n构成 be—was（were）—been eat—ate—eaten fall—fell—fallen give—gave—given see—saw—seen hide—hid—hidden（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 take—took—taken mistake—mistook—mistaken 8.原形、过去式和过去分词都不相同 do—did—done fly—flew—flown go—went—gone lie—lay—lain show—showed—shown wear—wore—worn,。