一般过去式不规则变形

一般过去式不规则变形
一般过去式不规则变形

一般过去式不规则变形
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.如：
　　cut-cut-cut,hit-hit-hit,put-put-put,cost-cost-cost,let-let-let,shut-shut-shut,set-set-set,hurt-hurt-hurt,spread-spread-spread
　　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].
　　二、有些动词的过去分词与原形是一样的.如：
　　come-came-come,become-became-become,run-ran-run,overcome-overcame-overcome
　　三、有些动词的过去式和过去分词相同.如：
　　1.把单词结尾的字母d改为t.如：
　　lend-lent-lent,spend-spent-spent,send-sent-sent
　　2.改变单词中间元音字母.如：
　　sit-sat-sat,win-won-won,shine-shone-shone,hold-held-held
　　3.以eep结尾的动词,把eep改为ept.如：
　　keep-kept-kept,sleep-slept-slept,sweep-swept-swept
　　4.过去式和过去分词都以augh或ough结尾的动词.如：
　　buy-bought-bought,fight-fought-fought,think-thought-thought,bring-brought-brought,teach-taught-taught,catch-caught-caught
　　5.有的以ay结尾的动词,在过去式和过去分词中把ay变成aid.如：
　　say-said-said,lay-laid-laid,pay-paid-paid
　　6.另有一些其它形式的变化.如：
have-had-had,learn-learnt-learnt,leave-left-left,lose-lost-lost,make-made-made,meet-met-met,feel-felt-felt
　　四、有些动词原形中含有字母i,在过去式中变i为a,在过去分词中变i为u.如：
　　五、以字母ow或aw结尾的动词,在变成过去式时,通常把元音字母变成e,在变成过去分词时,通常只在词尾加n.如：
　blow- blew- blown,draw-drew-drawn,grow-grew-grown,throw-threw-thrown,know-knew-known
　　六、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.如：
　rise-rose-risen,give-gave-given,take-took-taken,fall-fell-fallen,drive-drove-driven,eat-ate-eaten
　　特殊：write-wrote-written,speak-spoke-spoken,ride-rode-ridden,get-got-gotten
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牛津英语书 7B 的后面不是有总结吗?
一 般过去式不规则变形中也规则可寻啊
比如:有些动词原形中含i的, 改i为a 变成相应的过去式 begin , drink , sit , give, swim,
再比如: know, grow , fly , draw , throw , 它们的过去式也有共性啊,
这些要靠自己去总结才会永不忘.
但愿有一点点的作...

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牛津英语书 7B 的后面不是有总结吗?
一 般过去式不规则变形中也规则可寻啊
比如:有些动词原形中含i的, 改i为a 变成相应的过去式 begin , drink , sit , give, swim,
再比如: know, grow , fly , draw , throw , 它们的过去式也有共性啊,
这些要靠自己去总结才会永不忘.
但愿有一点点的作用 !

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不规则变化见不规则变化表：
is\am = was; are = were;have\has = had;do\does = did……
3、用法：在过去某一时间用；
4、标志词：yesterday,the day before yesterday,just now,last week (month\year),in 1997……

pay paid paid 付
lay laid laid 下蛋
say said said 说
bring brought brought 带来
buy bought bought 买
think thought thought 想
sleep slept slept 睡
keep kept kept 保持
swee...

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pay paid paid 付
lay laid laid 下蛋
say said said 说
bring brought brought 带来
buy bought bought 买
think thought thought 想
sleep slept slept 睡
keep kept kept 保持
sweep swept swept 扫
stand stood stood 站
understand understood understood 明白
win won won 得胜
shine shone/shined shone/shined 发光
catch caught caught 抓住
teach taught taught 教
feel felt felt 觉得
fight fought fought 战斗
find found found 发现
get got got 得到
hang hanged/ hung hanged/ hung 绞死，挂
have had had 有
hold held held 盛，握
leave left left 离开
make made made 制造
meet met met 遇见
sell sold sold 卖
shoot shot shot 射击
tell told told 告诉
smell smelt/smelled smelt/smelled 嗅，闻
sit sat sat 坐
dig dug dug 挖
5. A---B---C型（现在式、过去式和过去分词都不相同）
（1）在动词原形后加-n或-en构成过去分词。
eat ate eaten 吃
fall fell fallen 落下
steal stole stolen 偷
give gave given 给
freeze froze frozen 冻结
take took taken 拿
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
fly flew flown 飞
draw drew drawn 拉，绘画
show showed shown 展示
（2）过去式加-n或-en构成过去分词。
speak spoke spoken 说话
break broke broken 破碎，折断
wake waked/ woke waked/ waken 醒
choose chose chosen 选择
forget forgot forgotten 忘记
（3）变单词在重读音节中的元音字母“i”分别为“a”（过去式）和“u”（过去分词）。
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 饮
（4）其他不规则动词的变化。
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

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