动词的现在分词１. 一般直接在动词词尾加－ingSing-singing go-going pick-picking read-reading walk-walkingFly-flying eat—eating cook—cooking buy-buying wait-waitingPlay—playing sleep—sleeping visit-visiting ２. 以不发音字母 e 结尾的动词，去掉 e，再加－ing Leave—leaving take-taking arrive-arriving dance—dancing write-writingGive—giving bite—biting ３. 以一个辅音字母结尾的重读闭音节词，且它的前面是一个短元音，一般先双写最后一个辅音字母,再加 ing Sit—sitting put—putting get—getting shop-shopping swim-swimmingRun—running stop-stopping dig-digging 动词的过去式１. 一般直接在动词词尾加 ed Watch—--watched wash——-—washed clean--cleaned play———played visit--—-visited listen—listened walk-—-—walked jump———-jumped return----returned plant———planted visit－visited walk—--walked pick———picked help-—-helped relax—-—relaxed cook-—-cooked ask———asked climb———climbed look—-—looked enjoy—--enjoyed row—-——rowed answer—--answered water-—-watered want---wanted cross--—crossed shout-—-shouted fail—-—failed ２. 以不发音字母 e 结尾的动词直接加 d， prepare—-—prepared dance——-danced hope-hoped３. 以辅音字母 y 结尾的动词,变 y 为 i，再加 ed，Cry—cried study—--studied ４. 以一个辅音字母结尾的重读闭音节词,双写最后一个字母，再加 ed，Stop—stopped ５. 不规则变形： read-—--—read learn-—-learned/learnt sing-—-sang take——-took eat—-—ate buy-—-bought （一)不变的cut-—--cut let——-—let put—-— put read-——read must-———must（二)改成 acome———-came become———-became begin—-—began drink—-— drankhave—--had run-—--ransit-———- sat ring—--rang sing—--—sang swim—--swam give————-gave (三)改成 ghtThink-—-thought fight--—fought bring---—brought buy-—--bought catch--—-—caught teach-----taught（四）改成 tKeep—---kept sleep—-—-slept sweep-———swept feel—-- feltSpend-—-spent learn--—learnt mean----—meant （五）改成 ewBlow—--blew know---knew grow—-grew draw-——drewthrow—-—threw fly—-— flew （六)改成 oGet——-got forget—--forgot write-——-wrote ride---—rode Drive—---drove sell——-sold tell--——told stand-——stood understand-—-understood speak--—spoke hear—--heard take-—-—took (七)其他形式make--—made hear-—-heard eat—-—ate mean---—meantsay -—--said find—-——found meet—-—- met see--—- sawcan-—-could shall———should will--—would may——-mightgo—-——went see----saw wear-———-wore do——-did is—-—was am---was are--—were go—-—went
