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动词变过去时

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/04/29 22:15:49
不规则动词变过去时
解题思路: 见过程
解题过程:
A-A-A型   现在式、过去式和过去分词同形,保持不变,除进行式外 词例:
  
   动词原形 过去式 过去分词 意思 cost cost cost 花费 cut cut cut 割,切 hit hit hit 打 put put put 放下 read # read read 读 hurt hurt hurt 受伤 let let let 让
  # “Read” 的“过去式”和“过去分词”的读音和动词原型的不同。
A-A-B型   现在式和过去式同形 词例:
  
   动词原型 过去式 过去分词 意思 beat beat beaten 打
A-B-A型   现在式和过去分词同形 词例:
  
   动词原形 过去式 过去分词 意思 come came come 来到 become became become 变 run ran run 跑 overcome overcame overcome 征服,打败
A-B-B型   过去式与过去分词同形
  分为以下情形:
  ① 在动词原形后加一个辅音字母d或t。
  词例:
   动词原形 过去式 过去分词 意思 burn burnt burnt 燃烧 learn learned / learnt learned / learnt 学习 mean meant meant 含义 hear heard heard 听见
  ② 把动词原形的最后一个辅音字母“d”改为“t”。
  词例:
   动词原形 过去式 过去分词 意思 build built built 建筑 lend lent lent 借 send sent sent 传送 spend spent spent 花费
  ③ 其他不规则的各种变化。
  词例:
   动词原形 过去式 过去分词 意思 动词原形 过去式 过去分词 意思 pay paid paid 付钱 lay laid laid 下蛋 say said said 说 bring brought brought 带来 buy bought bought 买 fight fought fought 战斗 think thought thought 思考 sleep slept slept 睡觉 feel felt felt 感觉 keep kept kept 保持 sweep swept swept 扫 stand stood stood 站 understand understood understood 理解 win won won 胜利 catch caught caught 抓住 teach taught taught 教 find found found 发现 get got got 得到 hold held held 握 leave left left 离开 make made made 制造 meet met met 遇见 shoot shot shot 射击 dig dug dug 挖 smell smelt / smelled smelt / smelled 嗅,闻 shine shone / shined shone / shined 发光 sit sat sat 坐下 have had had 有
A-B-C型   三词不同形 分为以下情形:
  
  ① 在动词原形后加-n或-en 构成过去分词 。
   动词原形 过去式 过去分词 意思 动词原形 过去式 过去分词 意思 eat ate eaten 吃 fall fell fallen 落下 give gave given 给 take took taken 拿,记录,拍摄 see saw seen 看见 write wrote written 写 ride rode ridden 骑 drive drove driven 驾驶 throw threw thrown 抛,扔 blow blew blown 吹 grow grew grown 生长 know knew known 知道 show showed shown 展示 draw drew drawn 拉,绘画,抽签
  ② 过去式加-n或-en构成过去分词。
   动词原形 过去式 过去分词 意思 speak spoke spoken 说话 break broke broken 破碎 choose chose chosen 选择 forget forgot forgotten 忘记 freeze froze frozen 凝固
  ③ 把单词在重读音节中的元音字母“i”变成“a”(过去式)和“u”(过去分词)。
   动词原形 过去式 过去分词 意思 begin began begun 开始 ring rang rung 按铃 sing sang sung 唱 sink sank sunk 沉 swim swam swum 游泳 drink drank drunk 喝
  ④ 其他不规则动词的变化。
   动词原形 过去式 过去分词 意思 be (am, is) was been 是 be (are) were been 是 do did done 做 go went gone 去 lie lay lain 躺 wear wore worn 穿
最终答案:略