1、一般情况下,动词词尾加-ed,如:workedplayedwantedacted
2、以不发音的-e结尾动词,动词词尾加-d,如:livedmoveddecideddeclinedhopedjudged
3、以辅音字母+y结尾的动词,把-y变为-i再加-ed,如:studiedtriedcopiedjustifiedcried
4、以一个辅音字母结尾的重读闭音节动词,双写词尾辅音字母,再加-ed,如:stoppedbeggedfretteddraggeddroppedplanneddotteddripped
5、另外还有个别动词的过去式比较特殊,需着重记忆:go-wentmake-madeget-gotbuy-boughtcome-camefly-flew