動(dòng)詞的各種形式變化規(guī)則

letletting讓hithitting打、撞cutcutting切、割sitsitting坐forgetforgetting忘記 setsetting設(shè)置babysitbabysitting臨時(shí)受雇照顧嬰兒shopshopping購(gòu)物triptripping絆 stopstopping停止dropdropping放棄traveltravel(l)ing旅游swimswimming游泳runrunning跑步digdigging挖、掘beginbeginning開(kāi)始preferpreferring寧愿planplanning計(jì)劃hop-hopping單腳跳 set-setting設(shè)置 dip-dipping浸 mop-mopping用拖把拖洗,擦,抹 nod-nodding點(diǎn)頭 fit-fitting合適 kidnap-kidnapping綁架 nap-napping小睡，打盹 regret-regretting后悔 rot-rotting腐爛 spot-spotting玷污 slip-slipping滑倒 wrap-wrapping包裝 star-starring win-winning贏 shop-shopping購(gòu)物 stop-stopping停止 drop-dropping落下 dig-digging挖 step-stepping踩，踏 trip-tripping絆倒 rob-robbing搶劫 set-setting設(shè)置dip-dipping浸 mop-mopping用拖把拖洗,擦,抹 nod-nodding點(diǎn)頭 fit-fitting合適 kidnap-kidnapping綁架 nap-napping小睡，打盹 regret-regretting后悔 rot-rotting腐爛spot-spotting玷污 slip-slipping滑倒 wrap-wrapping包裝 以一個(gè)輔音字母結(jié)尾的重讀閉音節(jié)動(dòng)詞，雙寫(xiě)詞尾輔音字母，再加-ed，如：stoppedbeggeddragged droppedplanneddotted,starred以下動(dòng)詞加-ed或-ing要雙寫(xiě)最后一個(gè)字母1.regret(regretted,regretting)后悔2.control(controlled,controlling)控制3.admit(admitted,admitting)承認(rèn)4.occur(occurred,occurring)出現(xiàn)5.prefer(preferred,preferring)寧愿 6.refer(referred,referring)提到7.forget(forgetting)忘記8.permit(permitted,permitting)允許9.equip(equipped,equipping)裝備注意：quarrel,signal,travel中的l可雙寫(xiě)（英國(guó)英語(yǔ)）也可不雙寫(xiě)（美國(guó)英語(yǔ)）