动词的变化：
Be动词的变化为： be→was— ( am, is 的过去式 ) were— ( are 的过去式 )
实义动词的变化是：
1．直接加ed：work—— worked look——looked
2．以不发音e结尾的单词，直接加d：like——liked live ——lived hope——hoped use——used
3．以辅音字母+y结尾的，变y为i加ed：study——studied carry——carried worry——worried fly——flied try——tried
元音字母啊+y结尾的，直接加ed: play——played
4．以一个辅音字母结尾的，双写最后的辅音字母+ed：stop—— stopped plan——planned计划 重读闭音节体现形式为辅-元-辅结构，例如nod,n为辅音，o为元音，d为辅音。
6．不规则变化的动词过去式：
have---had are---were get---got say---said feel---felt do/does---did is---was go---went drink--drank eat--ate bring----brought think----thought buy----bought catch---- caught teach ---- taught sit----sat wear----wore cut----cut sweep----swept sleep——slept see----saw become----became[1] read——read
7以辅元辅结尾的加d
发音规则： ①在清辅音后面读/t/ passed /pa:st/ looked walked laughed ②在浊辅音和元音后面/d/
新版教材1—4单元不规则的动词
Unit1 The king’s new clothes
am/is---was are ---were can---could say—said
Unit2 What a day!
See-saw go---went become -----became bring---brought fly---flew take---took lose---lost find---found get---got come---came have---had do---did
Unit3 Holiday fun
catch---caught eat---ate wear---wore
Unit4 Then and now
write ---wrote read---read make---made buy---bought moved /mu:vd/ showed ③在t d后面 读 /id/ needed /’ni:did/ shouted pointed

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