六．过去分词（直去双改特） 1、(1)直接加“ ed ”。 work---worked---worked ,visit---visited---visited (2)去“ e ”加“ed ”。 live---lived---lived , (3)重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加“ ed ”。 stop---stopped---stopped , drop---dropped--dropped (4)以“辅音字母 + y ”结尾的动词，将 "y" 变为 "i" ，再加“ ed ”。 study---studied---studied ,cry---cried---cried 2 、不规则动词： AAA型 原型 过去式 过去分词 burst burst burst hurt hurt hurt let let let cast cast cast cost cost cost cut cut cut hit hit hit put put put set set set shut shut shut spread spread spread read read read read原形发音为/ri:d/,过去式和过去分词发音为/red/ AAB型 beat beat beaten ABA型 become became become run ran run come came come 特殊情况 ABB型 bring brought brought buy bought bought build built built burn burnt burnt catch caught caught dig dug dug feel felt felt fight fought fought find found found hear heard heard hold held held keep kept kept lay laid laid lead led led lose lost lost make made made meet met met sell sold sold shoot shot shot sit sat sat stand stood stood sweep swept swept teach taught taught tell told told think thought thought win won won ABC型 begin began begun blow blew blown break broke broken choose chose chosen draw drew drawn drive drove driven drink drank drunk fly flew flown forgive forgave forgiven forget forgot forgotten freeze froze frozen give gave given grow grew grown know knew known ride rode ridden rise rose risen ring rang rung shake shook shaken sing sang sung sink sank sunk swim swam swum throw threw thrown write wrote written 本文来源：https://www.wddqw.com/doc/5e5e4b690975f46526d3e154.html