-- 现在分词变化 1）规则; V + ing 动词以不发音-e结尾，去e 加ing. take --taking 2) 不规则 重读闭音节的动词，双写词尾字母，再加ing. cut-- cutting 以ie结尾的动词，变成y再加ing. die — dying tie — tying lie -- lying 单三变化： （1）直接在动词词尾加-s. ask---asks work---works get---gets stay---stays （2）以字母s, x, ch, sh或o结尾的动词，在词尾直接加-es 1.规则变化 watch---watches wish---wishes fix---fixes do---does go---goes pass---passes （3）以“辅音字母加 - y”结尾的动词，要先变y为i再加-es. try---tries study---studies cry---cries fly---flies 2.不规则变化： be---- is are have----has 过去式、过去分词规则变化： 一般 V+ed work→worked look→looked 以不发音e结尾 V+d live→lived hope→hoped use→used 辅音字母+y结尾的 y→i+ed study→studied carry→carried worry→worried 以重读闭音节结尾的 双写最后的辅音字母+ed stop→ stopped plan→planned 以ic结尾的动词 ic→ick+ed picnic→picnicked traffic→trafficked 过去式、 过去分词 不规则变化： 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 beat beat beaten become became become run ran run come came come bring brought brought buy bought bought 1 -- build built built Burn burnt burnt catch caught caught dig dug dug feel felt felt fight fought fought find found found hear heard heard Begin began begun blow blew blown break broke broken choose chose chosen draw drew drawn drive drove driven drink drank drunk fly flew flown hold held held keep kept kept lay laid laid lead led led lose lost lost make made mademeet met metsell sold sold shoot shot shotsit sat satstand stood stood sweep swept swept teach taught taughttell told told think thought thoughtwin won won forgive forgave forgotten freeze froze frozen give gave given grow grew grown know knew known ride rode ridden rise rose risenring rang rungshake shook shaken sing sang sungsink sank sunkswim swam swum throw threw thrownwrite wrote written 2 本文来源：https://www.wddqw.com/doc/239d54299cc3d5bbfd0a79563c1ec5da51e2d6d9.html