1.规则动词在其原形后面加-ed:to work-worked 2.以字母e结尾的规则动词,只加-d:to love---loved 3.动词为单音节,以一个元音字母和一个辅音字母结尾 辅音字母双写,再加-ed Stop-stoppedAdmit—admitted 4.以y结尾的动...