1. A---A---A型(現在式、過去式和過去分詞同形)
cost cost cost 花費
cut cut cut 割，切
hit hit hit 打
let let let 讓
put put put 放下
read read read 讀
hurt hurt hurt 傷
2. A---A---B型(現在式和過去式同形)
beat beat beaten 打
3. A---B---A型(現在式和過去分詞同形)
come came come 來run ran run 跑
become became become 變
4. A ---B ---B型
(1)在動詞原形后加一個輔音字母d或t構成過去式或過去分詞。
burn burnt burnt 燃燒
learn learned/learnt learned/learnt 學習
mean meant meant 意思hear heard heard 聽見
(2)把動詞原形的最后一個輔音字母“d”改為“t” 構成過去式或過去分詞。
build built built 建筑lend lent lent 借給
send sent sent 送lose lost lost 失去
spend spent spent 花費
(3)其他
pay paid paid 付
lay laid laid 下蛋
say said said 說
bring brought brought 帶來
buy bought bought 買
think thought thought 想
sleep slept slept 睡
keep kept kept 保持
sweep swept swept 掃
stand stood stood 站
understand understood understood 明白
win won won 得勝
shine shone/shined shone/shined 發光
catch caught caught 抓住
teach taught taught 教
feel felt felt 覺得
fight fought fought 戰斗
find found found 發現get got got 得到
hang hanged/ hung hanged/ hung 絞死，掛
have had had 有
hold held held 盛，握
leave left left 離開
make made made 制造
meet met met 遇見
sell sold sold 賣
shoot shot shot 射擊
tell told told 告訴
smell smelt/smelled smelt/smelled 嗅，聞
sit sat sat 坐
dig dug dug 挖
5. A---B---C型(現在式、過去式和過去分詞都不相同)
(1)在動詞原形后加-n或-en構成過去分詞。
eat ate eaten 吃fall fell fallen 落下
steal stole stolen 偷
give gave given 給
freeze froze frozen 凍結
take took taken 拿
see saw seen 看見
write wrote written 寫
ride rode ridden 騎
drive drove driven 駕駛
throw threw thrown 拋，扔
blow blew blown 吹
grow grew grown 生長
know knew known 知道fly flew flown 飛
draw drew drawn 拉，繪畫
show showed shown 展示
(2)過去式加-n或-en構成過去分詞。
speak spoke spoken 說話
break broke broken 破碎，折斷
wake waked/ woke waked/ waken 醒
choose chose chosen 選擇
forget forgot forgotten 忘記
(3)變單詞在重讀音節中的元音字母“i”分別為“a”(過去式)和“u”(過去分詞)。
begin began begun 開始
ring rang rung 按鈴sing sang sung 唱
sink sank sunk 沉
swim swam swum 游泳sing sang sung 唱
(4)其他不規則動詞的變化。
be(am, is) was/ were been 是
be(are) were been 是
do did done 做go went gone 去
lie lay lain 躺wear wore worn 穿
