1附录四 162 个动词的不规则变化表betbet/bettedbet/betted打赌broadcastbroadcastbroadcast广播;播送bidbid/badebid/bidden出价burstburstburst爆发;发生castcastcast投,掷;扔costcostcost花费cutcutcut切;割forecastforecast/forecastedforecast/forecasted预报hithithit打hurthurthurt伤害knitknit/knittedknit/knitted编织letletlet让putputput放quitquit/quittedquit/quitted停止readreadread读ridrid/riddedrid/ridded除去setsetset放;放置shutshutshut关闭spitspit/spatspit/spat吐2splitsplitsplit劈开;分开spreadspreadspread散布;传播sweatsweat/sweatedsweat/sweated出汗thrustthrustthrust刺;刺入upsetupsetupset颠覆;扰乱wedwedwed结婚wetwet/wettedwet/wetted打湿beatbeatbeaten打;击败;(心脏)跳动comecamecome来becomebecamebecome变成overcomeovercameovercome克服runranrun跑hearheardheard听见burnburnt/burnedburnt/burned燃烧learnlearnt/learnedlearnt/learned学dreamdreamtdreamt梦想meanmeantmeant意思是leanleant/leanedleant/leaned倾斜lea