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0102AAA型（动词原形、过去式、过去分词同形）cost（花费）cost--costcut（割）--cut--cuthit（打）--hit--hithurt伤害）--hurt--hurtlet（让）--let--letput（放）--put--putread（读）--read--read过去分词的不规则变化AAB型（动词原形与过去式同形）beat（跳动）--beat--beaten壹ABA型（动词原形与过去分词同形）贰become（变成）--became—becomecome（来）--came--comerun（跑）--ran--run四.ABB型（过去式与过去分词同形）过去式和过去分词都含有-ought。bring—brought—broughtbuy—bought—boughtthink—thought—thoughtteach—taught—taught过去式、过去分词都含有-aught。send—sent—sentbuild—built—builtcatch—caught—caughtspend—spent—spentlend—lent—lent词尾有-ild，-end时，只需把d变为t。01把-eep变为-ept。02keep—kept—kepts03leep—slept—slept04sweep—swept—swept05把-ell变为-old。06tell—told—told07sell—sold—sold过去式、过去分词都含有-elt或-ilt。smell—smelt—smeltspell—spelt—speltfeel—felt—feltspill—spilt—spilt过去式、过去分词都在原形词尾加t。learn—learnt—learntmean—meant—meantspoil—spoilt—spoilt过去式、过去分词词尾去y变-idsay—said—saidpay—paid—paidlay—laid—laidhear—heard—heard改变辅音字母。make—made—made改变元音字母。1meet—met—metget—got—got2sit—sat—satfind—found—found3hold—held—heldspit—spat—spat4shine—shone—shonewin—won—won5hang—hung—hungdig—dug—dug6lose—lost—lost7改变元、辅音字母。leave—left—leftstand—stood—stoodhave（has）—had—hadunderstand—understood—understood0304050102ABC型（动词原形、过去式与过去分词三者不同形）i—a—u变化。begin—began—begundrink—drank—drunksing—sang—sungring—rang—rungswim—swam—swumsink—sank—sunk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—blowndraw—drew—drawngrow—grew—grownknow—knew—knownthrow—threw—thrown（show除外）