1、名词复数的不规则变化 ① 内部元音字母发生变化。如: foot—feet足 man—men 男人 mouse—mice鼠 woman—Women女人policeman—policemen警察 tooth—teeth牙齿 ② 词尾发生变化。如: ox—oxen 公牛 child—children孩子 ③ 有个别名词单复数形式一样。如: deer—deer鹿 fish—fish 鱼 s
2、heep—sheep羊means—means方法 works—works工厂 ④ 表示“某国人”的单、复数变化 单复数同形。如: Chinese—Chinese中国人 Japanese—Japanese日本人 Swiss—Swiss瑞士人 词尾加-s。如: German—Germans德国人 Russian—Russians 俄罗斯人 Roman—Romans 罗马人 American—Americans美国人 Australian—Australians 澳大利亚人 Indian—Indians印度人 变man为men。如: Frenchman—Frenchmen法国人
3、 Englishman—Englishmen英国人 ⑤ 复合名词的复数变化 把复合词中的主体变复数。如: a son-in-law sons-in-law 女婿 a passer-by passers-by 过路人 a looker –on lookers–on 旁观者 如没有主体名词,则在词尾加-s。如: a grown-up grown-ups 成年人 a go-between go-betweens 中间人 分开写者,通常在第二部分词尾加复数。如: a boy student boy st
4、udents 男学生 a girl friend girl friends 女朋友 但第一部分为,时,两部分皆变复数。如: a man teacher men teachers 男教师 a woman doctor women doctors 女医生或女博士 常用不规则动词过去式、过去分词表 am, is was been 是 give gave given 给 see saw seen 看 are were been 是 go went gone 去 sell sold sold 卖
5、beat beat beat, 战胜 grow grew grown 生长 send sent sent 送 b ecome became become 变成 have,has had had 有 set set set 设定 begin began begun 开始 hear heard heard 听到 shake shook shaken 握手 blow blew blown 吹 hide hid hidden 隐藏 shall should 将要 break bro
6、ke broken 打碎 hit hit hit 打击 shine shined shined 照耀 bring brought brought 带来 hold held held 保持 shoot shot shot 发射 build built built 建造 hurt hurt hurt 伤害 show showed showed, 显现 buy bought bought 买 keep kept kept 保持 shut shut shut 关闭 can could 可以 know knew known 知道 s
7、ing sang sung 唱 catch caught caught 抓住 lay laid laid 放置 sink sank,sunk sunk 沉没 choose chose chosen 选择 lead led led 带领 sit sat sat 坐 come came come 来 learn learned learned 学习 sleep slept slept 睡觉 cost cost cost 花费 leave left left 离开 smell smelled smelled 嗅 cut cut cut 剪切 lend lent lent 借给 spe
8、ak spoke spoken 讲 deal dealt dealt 经营 let let let让 spend spent spent 度过 dig dug dug 挖掘 lie lay, lied lain, lied 躺下 stand stood stood 站立 do/does did done 做 lose lost lost 丢失 steal stole stolen 偷 draw drew drawn 画 make made made 制造 sweep swept swept 打扫 dream dreamed, dreamed, 做梦 may might 能够
9、 swim swam swum 游泳 drink drank drunk 喝 mean meant meant 意思 take took taken 拿 drive drove driven 驾驶 meet met met 遇见 teach taught taught 教 eat ate eaten 吃 mistake mistook mistaken 误解 tell told told 告诉 fall fell fallen 落下 oversleep overslept overslept 睡过头 think thought thought 想 feel felt fel
10、t 感觉 pay paid paid 支付 throw threw thrown 扔 fight fought fought 战斗 put put put 放置 under- stand under- stood under- stood 懂 find found found 找到 read read read 读 wake woke, woken, 唤醒 flee fled fled 逃走 ride rode ridden 骑 乘 wear wore worn 穿戴 fly flew flown 飞 ring rang rung 包围 will would 将 forget
11、 forgot forgotten 忘记 rise rose risen 上升 win won won 赢 freeze froze frozen 冷冻 run ran run 跑 write wrote written 写 get got got, 到达 say said said 说 动词第三人称单数变化规则 1、大多数动词在词尾加―S‖在清辅音后发音为[s],在浊辅音及元音后发音为 [z]。如:①stop-stops [s] make-makes [s] 2、以辅音字母加―y‖结尾的,要先将―y‖变为―i‖,然后在加―es‖读[iz] 如:fly-flies [z];
12、carry-carries [z] 3、以―s, x, ch, sh‖结尾的,在词尾加―es‖,发音为[iz] 如:teach-teaches [iz]; watch-watches [iz] 4、以―o‖结尾的动词,加―es‖,读[z] 如:go-goes [z] 动词变现在分词的变化规则: 1. 直接在动词原形后面加-ing。如:read – reading cook – cooking talk– talking 2.以不发音的字母e结尾的动词把e去掉加-ing。如:write → writing make → making 3.以一个辅音字母加一个元音字母结尾的重读闭音节单词, 要双写最后一个辅音字母再加-ing。如: run → running cut → cutting swim → swimming 动词的过去式及过去分词的构成: ① 规则动词的变化: 一般动词 词尾加-ed look- looked, looked 以e结尾 词尾加-d live- lived, lived 以―辅音字母+Y‖结尾 变y为i,再加-ed carry-carried, carried 以重读闭音节或r音节结尾,且末尾只有一个辅音字母 双写该辅音字母,再加-ed stop- stopped, stopped






