七年级 单词的过去式

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英语书七年级下册的单词部分的过去式~

do —— did
begin —— began
grow —— grew
have, has —— had
swim —— swam
put —— put
may —— might
give —— gave
cut —— cut
can —— could
ring —— rang
let —— let
shall ——should
run —— ran
read —— read
will —— would
ride —— rode
catch —— caught

规则动词的过去式变化如下:1、一般情况下,动词词尾加 -ed ,如:work ---worked play---played wanted----wanted act----acted 2、以不发音的 -e 结尾动词,动词词尾加 -d,如:live---lived move----moved taste---tasted hope---hoped 3、以辅音字母 + y结尾的动词,把-y变为-i 再加-ed,如:study---studied copy---copied cry---cried carry---carried 4、以一个辅音字母结尾的重读闭音节动词,双写词尾辅音字母,再加 -ed,如:stop ---stopped 5、不规则动词的过去式变化规律性不强,须多加记忆.go – went make – made get – got buy - bought come - came fly-flew 不规则动词的过去式的构成 1.把动词原形中的i改为a,变成过去式.如:begin—began,drink—drank,give—gave,ring—rang,sing—sang,sit—sat,swim—swam 2.把重读开音节中的i改为o,变成过去式.如:drive—drove,ride—rode,write—wrote 3.改动词原形中的aw /ow为ew,变成过去式.如:draw—drew,grow—grew,know—knew,throw—threw(动词show除外,show—showed) 4.动词原形中的e改为o,变成过去式.如:get—got,forget—forgot 5.动词原形中的ee改为e,变成过去式.如:feed—fed,meet—met 6.动词原形中的eep改为ept,变成过去式.如:keep—kept,sleep—slept,sweep—swept 7.动词原形中的eak改为oke,变成过去式.如:break—broke,speak—spoke 8.动词原形中的ell改为old,变成过去式.如:sell—sold,tell—told 9.动词原形中的an改为oo,变成过去式.如:stand—stood,understand—understood 10.以ought和aught结尾,且读音是〔 :t〕的过去式.如:bring—brought,buy— bought,think—thought,catch—caught,teach—taught 11.以ould结尾且读音为〔ud〕的情态动词过去式.如:can—could,shall—should,will—would 12.把动词原形中的o改为a,变成过去式.如:come—came,become—became 13.在动词原形后加d或t变成过去式,并且发生音变.如:hear〔hi 〕—heard〔h :d〕,say〔sei〕—said〔sed〕,mean〔mi:n〕—meant〔ment〕 14.动词的过去式与动词原形一样.如:let—let,must—must,put—put,read—read〔red〕 15.不符合上述规律的动词过去式.如:am,is—was,are—were,build—built,do—did,eat—ate,fall—fell,feel—felt,find—found,fly—flew,go—went,have /has— had,hold—held,leave—left,make—made,may—might,run—ran,see—saw,take—took 过去式“-ed”的发音规则 (1)动词词尾为“t,d”时,发/ id /音,want →wanted (要)need →needed (需要) (2)动词词尾为清辅音时,发/ t / 音.help →helped (帮助)laugh →laughed (笑)look →looked (看) kiss →kissed (吻)wash →washed (洗) watch →watched (注视) (3)动词词尾为t,d以外之浊辅音或元音时,发/ d /音.call →called (叫)stay→stayed (停留)cry→cried (哭)

1一般情况下加-ed 如 look-looked
 规则变化:   1.直接加ed:work-- worked ,   2.以e结尾的单词,直接加d:live --lived   3 以辅音字母+y结尾的,变y为i加ed:study studied   4以元音字母+y结尾的,直接加ed:enjoy enjoyed   5 以重读闭音节结尾的,双写最后的辅音字母+ed: stop stopped   不规则变化:   have/has -- had,eat--ate, see—saw,am/is—was,are--were, go—went, do--did,take--took,run--ran,lend--lent,sleep--slept,get—got, meet—met, bring—brought, buy—bought, think—thought, say—said, give—gave, put—put,write--wrote,swim--swam,dig--dug,set--set,tell--told
基本结构
  主语+动词过去式+其他   否定形式①was/were+not;②在行为动词前加didn't,同时还原行为动词   一般疑问句Did+主语+do+其他?   例句She often came to help us in those days.   I didn't know you were so busy.   特殊疑问
疑问句词+did+主语+动词原形+其他

1一般情况下加-ed 如 look-looked
 规则变化:   1.直接加ed:work-- worked ,   2.以e结尾的单词,直接加d:live --lived   3 以辅音字母+y结尾的,变y为i加ed:study studied   4以元音字母+y结尾的,直接加ed:enjoy enjoyed   5 以重读闭音节结尾的,双写最后的辅音字母+ed: stop stopped   不规则变化:   have/has -- had,eat--ate, see—saw,am/is—was,are--were, go—went, do--did,take--took,run--ran,lend--lent,sleep--slept,get—got, meet—met, bring—brought, buy—bought, think—thought, say—said, give—gave, put—put,write--wrote,swim--swam,dig--dug,set--set,tell--told
基本结构
  主语+动词过去式+其他   否定形式①was/were+not;②在行为动词前加didn't,同时还原行为动词   一般疑问句Did+主语+do+其他?   例句She often came to help us in those days.   I didn't know you were so busy.   特殊疑问
疑问句词+did+主语+动词原形+其他

英语书最后一页P142(仁爱版)特殊的
be——was begin__begai blow-blew bring-brought burn-burnt buy-bought catch-caught come--came cost--cost ……………………

加ed


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