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,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,动词过去式变化规则,曹永利,规则动词过去式的变化规则,1,、一般情况下,动词词尾加,-,ed,,如:,work-worked play-played want-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,不规则动词的过去式,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,不规则动词的过去式的构成,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,不规则动词的过去式的构成,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:,hearhi,heardh,:d,,,saysei,saidsed,,,meanmi:n,meantment,14,动词的过去式与动词原形一样。如:,let,let,,,must,must,,,put,put,,,read,readred,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,
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