H组：其他变化形式。例如：
　　[原形 过去式 过去分词 汉语意思 spell spelt/spelled spelt/spelled 拼写 smell smelt smelt 闻;闻起来 hang hanged hanged 绞死;徘徊;逗留 hung hung 吊;悬 light lit/lighted lit/lighted 点燃;发光 lie lied lied 说谎 lay lain 躺;卧;位于 lead led led 领导;引导 mislead misled misled 误导 get got got/gotten 获得 forget forgot forgot/forgotten 忘记 stand stood stood 站立 understand understood understood 理解 sit sat sat 坐 babysit babysat babysat 照顾婴儿 agree agreed agreed 同意 disagree disagreed disagreed 不同意 sell sold sold 卖 make made made 让;使 have had had 吃;有;使;让 hear heard heard 听到 hold held held 举办;握住 leave left left 离开;遗忘 find found found 找到 lose lost lost 丢失 ]
　　三、ABC形（动词原形、过去式和过去分词各不相同）
　　A组：把动词原形中的i改为a和u，分别构成过去式和过去分词。例如：
　　[原形 过去式 过去分词 汉语意思 begin began begun 开始 sing sang sung 唱歌 ring rang rung 鸣叫;环绕 sink sank sunk 下沉 drink drank drunk 喝 swim swam swum 游泳 ]
　　B组：把动词原形中的aw或ow改為ew构成过去式，在动词原形后面加n构成过去分词。例如：
　　[原形 过去式 过去分词 汉语意思 know knew known 知道 grow grew grown 成长 blow blew blown 吹 throw threw thrown 掷;投;抛 draw drew drawn 绘画 show showed shown 展示 ]
　　C组：在动词原形后加en（以不发音的e结尾的动词原形后加n）构成过去分词。例如：
　　[原形 过去式 过去分词 汉语意思 take took taken 取走;花费 mistake mistook mistaken 犯错误 shake shook shaken 握手;振动 hide hid hidden 躲;藏 write wrote written 写 see saw seen 看见 rise rose risen 上升;增高 give gave given 给 be（is am） was been 是;在 be（are） were been 是;在 fall fell fallen 落下;跌落 eat ate eaten 吃 beat beat beaten 打败 forbid forbad/forbade forbidden 禁止;不许 ]
　　D组：以不发音的e结尾的过去式加n构成过去分词。例如：
　　[原形 过去式 过去分词 汉语意思 break broke broken 撕裂;弄碎 speak spoke spoken 讲;说 wake woke woken 醒来 choose chose chosen 选择 freeze froze frozen 冻结;结冰 ]
　　E组：其他无规律的变化形式。例如：
　　[原形 过去式 过去分词 汉语意思 do did done 做;干 go went gone 去;消失 fly flew flown 飞行 ]
　　四、ABA形（动词原形和过去分词形式相同）
　　[原形 过去式 过去分词 汉语意思 run ran run 跑 come came come 来 become became become 成为 ]
　　五、情态动词无过去分词
　　[原形 过去式 过去分词 汉语意思 can could 能;会;可能 will would 要 shall should 将要 may might 可能;可以 ]