*规则动词过去分词和过去式变法一样

1.       + ed            clean --- cleaned

2.       + d              arrive --- arrived

3. 辅音字母+y结尾的

把y 变i + ed   empty --- emptied           

*不规则动词的过去式以及过去分词巧记规律

AAA

cost-cost-cost                   read-read-read

put-put-put                      cut-cut-cut

let-let-let                          set-set-set

beat-beat-beat                  hit-hit-hit                               

hurt-hurt-hurt                   spit-spit-spit                         

rid-rid-rid

一、原形、过去式和过去分词的词形和读音都相同的单词，结尾字母一般是t或d。

特殊：动词read的过去式和过去分词虽然词形与原形一致，read-read-read，但发音分别是[ri:d]-[red]-[red]。

ABA

有些动词的过去分词与原形是一样的:

run-ran-run

come-came-come    

become-became-become

overcome-overcame-overcome

ABB(含规则动词)

ABB(含规则动词)

1.另有一些其它形式的变化。

have (has)-had-had                         leave-left-left

lose-lost-lost                                   make-made-made

feel-felt-felt                                     spell-spelt-spelt

stand-stood-stood

2. 改变单词中间元音字母。

sit-sat-sat (babysit)                         win-won-won

shine-shone-shone                          hold-held-held

find-found-found                            hear-heard-heard

hang-hung (hanged)-hung (hanged)

ABC

有些动词的过去分词是在原形词尾加n或en，变成以en结尾的单词。                  

take-took-taken                 give-gave-given

fall-fell-fallen                    eat-ate-eaten
write-wrote-written           speak-spoke-spoken

freeze-froze-frozen            ride-rode-ridden

get-got-gotten (got)   forget-forgot-forgotten (forgot)

特殊：

am/is-was-been         are-were-been,

do (does)-did-done    go-went-gone

see-saw-seen             show-showed-shown (showed)

lie-lay (lied)-lain (lied)