1、动词变形动词变形 现在分词现在分词过去分词的用法表示动作的完成表示动作的完成或者被动或者被动一.AAA型（动词原形、过去式、过去分词同形）costcost（花费）（花费）cost-cost cost-cost cutcut（割）（割）-cut-cut -cut-cut hithit（打）（打）-hit-hit -hit-hit hurt hurt 伤害）伤害）-hurt-hurt -hurt-hurt letlet（让）（让）-let-let -let-let putput（放）（放）-put-put -put-put read read（读）（读）-read-read-read-read 二
2、.AAB型（动词原形与过去式同形）beatbeat（跳动）（跳动）-beat-beat-beaten beaten 三.ABA型（动词原形与过去分词同形）becomebecome（变成）（变成）-becamebecome -becamebecome comecome（来）（来）-came-come -came-come runrun（跑）（跑）-ran-run-ran-run u1.过去式和过去分词都含有-ought。ubringbroughtbrought ubuyboughtbought uthinkthoughtthought 四.ABB型（过去式与过去分词同形）u2.词尾有-ild，-
3、end时，只需把d变为t。ubuildbuiltbuilt ulendlent lent usendsentsent uspendspent spent u3过去式、过去分词都含有-aught。ucatchcaughtcaught uteachtaughttaught u4把-eep变为-ept。ukeepkeptkept suleepsleptslept usweep sweptswept u5.把-ell变为-old。utelltoldtold usellsoldsold u6过去式、过去分词都含有-elt或-ilt。usmellsmeltsmelt uspellspeltspelt uf
4、eelfelt felt uspillspiltspilt u7过去式、过去分词都在原形词尾加t。ulearnlearntlearnt umeanmeantmeant uspoilspoiltspoilt 8过去式、过去分词词尾去y变-id saysaidsaid paypaidpaid laylaidlaid hearheardheard9改变辅音字母。makemademade u10改变元音字母。umeetmetmet getgotgot usitsatsat findfoundfound uholdheldheld spitspatspat ushineshoneshone winwon
5、won uhanghunghung dig dugdug uloselostlost u11.改变元、辅音字母。uleaveleftleft ustandstoodstood uhave（has）hadhad uunderstandunderstoodunderstood 五.ABC型（动词原形、过去式与过去分词三者不同形）1.iau变化。beginbeganbegun drinkdrankdrunk sing sangsung ringrangrung swimswamswum sink sanksunk u2.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。ublow
6、blewblown udrawdrewdrawn ugrow grewgrown uknowknewknown uthrowthrewthrownu（show除外）u3.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）udrivedrovedriven uwritewrotewritten uride roderidden uriseroserisenu4.过去分词在过去式后加（e）n。ubreakbrokebroken uchoosechosechosen ufreezefrozefrozen uspe
7、akspokespoken uwakewoke woken u5.过去分词由过去式加-ten构成。forgetforgotforgotten u6.过去分词由原形加（e）n构成。ubewas（were）been eatateeaten ufallfellfallen givegavegiven useesawseen hidehidhidden（hid）u7.词尾为-ake时，过去式将其变为-ook，过去分词在原形词后加-n。utaketooktaken mistakemistookmistaken u8.原形、过去式和过去分词都不相同。udodiddone flyflewflown ugowentgone lielaylain ushowshowedshown wearworeworn
