原形、过去式、过去分词一样

cost cost cost cut cut cut hit hit hit hurt hurt hurt let let let put put put

read read read set set set shut shut shut

二、AAB型

过去式和原形一样

beat---beat----beaten 三、ABB型

原形不同、过去式、过去分词一样

1、过去式、过去分词是ought /aught 结尾

bring brought brought buy bought bought think thought thought catch caught caught

teach taught taught 注意：find found found 2、d改t 变过去式，过去分词

build built built lend lent lent send sent sent spend spent spent

3、ee组合加辅音字母构成的词，去掉一个e ,并在词尾加t 构成过去式和过去分词

feel felt felt keep kept kept sleep slept slept sweep swept swept 注意：leave left left

4、原形后加d/t构成过去式，过去分词

burn burnt burnt learn learnt leant mean meant meant spoil spoilt spoilt hear heard heard

5、重读音节中元音字母改o为过去式，过去分词

get got got shine shone shone win won won 注意：sell sold sold

6、i 改a 为过去式，过去分词

sit sat sat spit spat spat

注意：have had had

7、ay改aid 为过去式，过去分词

say said said lay laid laid pay paid paid

8、重读音节中元音字母改u 为过去式，过去分词

dig dug dug hang hung hung

四、ABA型 过去分词和原形一样

become became become come came come run ran run 五、ABC型

原形、过去式、过去分词都不一样

1、原形后加n 或en ,变过去分词，略有

变化： (1),加n;

blow blew blown draw drew drawn grow grew grown know knew known throw threw thrown show showed shown drive drove driven give gave given rise rose risen see saw seen