过去分词变化规则公开课一等奖市优质课赛课获奖课件

动词变形

——目前分词过去分词旳使用方法表达动作旳完毕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--costcut（割）--cut--cuthit（打）--hit--hithurt伤害）--hurt--hurtlet（让）--let--letput（放）--put--putread（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—becomecome（来）--came--comerun（跑）--ran--run

1.过去式和过去分词都具有-ought。bring—brought—broughtbuy—bought—boughtthink—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—builtlend—lent—lentsend—sent—sentspend—spent—spent3．过去式、过去分词都具有-aught。

catch—caught—caughtteach—taught—taught4．把-eep变为-ept。

keep—kept—keptsleep—slept—sleptsweep—swept—swept5.把-ell变为-old。

tell—told—toldsell—sold—sold6．过去式、过去分词都具有-elt或-ilt。

smell—smelt—smeltspell—spelt—speltfeel—felt—feltspill—spilt—spilt7．过去式、过去分词都在原形词尾加t。learn—learnt—learntmean—meant—meantspoil—spoilt—spoilt8．过去式、过去分词词尾去y变-id

say—said—saidpay—paid—paidlay—laid—laidhear—heard—heard9．变化辅音字母。make—made—made

10．变化元音字母。

meet—met—met

get—got—got

sit—sat—sat

find—found—foundhold—held—held

spit—spat—spatshine—shone—shone

win—won—wonhang—hung—hung

dig—dug—duglose—lost—lost11.变化元、辅音字母。

leave—left—leftstand—stood—stoodhave（has）—had—hadunderstand—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—begundrink—drank—drunksing—sang—sungring—rang—rungswim—swam—swumsink—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—blowndraw—drew—drawngrow—grew—grownknow—knew—knownthrow—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n。（give，hide除外）

drive—drove—drivenwrite—wrote—writtenride—rode—riddenrise—rose—risen4.过去分词在过去式后加（e）n。

break—broke—brokenchoose—chose—chosenfreeze—froze—frozenspeak—spoke—spokenwake—woke—woken5.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—eatenfall—fell—fallen

give—gave—givensee—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—mistaken8.原形、过去式和过去分词