✅ 操作成功!

open过去式

发布时间:2023-06-04 作者:admin 来源:文学

open过去式

open过去式

-静悄悄的近义词

2023年2月15日发(作者:享优乐净水器)

不规则动词过去式和过去分词、动词过去式和过去分词的变化规则、不规则动词过去

式和过去分词归纳

(一)、不规则动词过去式和过去分词

动词的过去式和过去分词是初中英语教学中的重点,而有些动词的不规则变化是这些重点中的难点,但这些不规

则变化也不是毫无规律可循的。现将初中英语中一些常用的不规则动词变化介绍如下。

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

(二)、动词过去式和过去分词的变化规则

动词过去式和过去分词有规则变化和不规则变化两种。

1)规则变化

情况例词读音与说明

动词原形过去式过去分词

一般在动词原形后加-ed

look-looked-looked[lukt]

call-called-called[kC:ld]

open-opened-opened[5EupEnd]

need-needed-needed[ni:did]

①-ed在清辅音音素后发音为〔t〕,在浊辅音后发音为〔d〕,在元音后发音也为[d]

②-ed在〔t]、〔d〕后发音为[id]

③但fix的过去式和过去分词x不双写,为fixed.

以-e结尾的动词加-d

move-moved-moved[mu:vd]

phone-phoned-phoned[fEund]

hope-hoped-hoped[hEupt]

agree-agreed-agreed[E5^ri:d]

以辅音字母加y结尾的动词,变y为i,再加-ed

study-studied-studied[5stQdid]

carry-carried-carried[5kArid]

try-tried-tried[traid]

以原音字母加y结尾的词,直接加-ed

play-played-played[pleid]

enjoy-enjoyed-enjoyed[in5dVCid]

stay-stayed-stayed[steid]

末尾只有一个辅音字母的重读闭音节词,双写该辅音字母,再加-ed

stop-stopped-stopped[stCpt]

plan-planned-planned[plAnd]

fit-fitted-fitted[5fitid]

以-r音节结尾的词,双写r字母,再加-ed

prefer-preferred-preferred[prI`f:d]

refer-referred-referred[ri5fE:]

2)不规则变化

英语中有些动词的过去式和过去分词形式变化不规则,可分为五种情况。

1.动词原形、过去式和过去分词完全同形。

cut(切),hit(打),cast(扔),hurt(伤害),put(放),let(让)

shut(关),cost(花费),set(放),rid(清除),

2.过去式与过去分词完全同形。

例:

原形过去式过去分词

find(找到)

pay(支付)

leave(离开)

lend(借出)

meet(遇见)

keep(保持)

lose(丢失)

teach(教)

sit(坐)

lead(引导)

win(赢)除)

3.动词原形与过去分词同形

例:

原形过去式过去分词

come(来)-came-come

run(跑)-ran-run

become(成为)-became-become

4.动词原形、过去式、过去分词形式完全不同。

例:

原形过去式过去分词

give(给)-gave-given

fly(飞)-flew-flown

drink(喝)-drank-drunk

see(看见)-saw-seen

go(去)-went-gone

know(知道)-knew-known

wear(穿)-wore-worn

speak(说)-spoke-spoken

5.过去式和过去分词有两种形式

例:

原形过去式过去分词

burn(燃烧)--burned/burnt--burned/burnt

learn(学习)--learned/learnt--learned/learnt

smell(闻)--smelled/smelt--smelled/smelt

spell(拼写)--spelled/spelt--spelled/spelt

shine(照射)--shined/shone--shined/shone

leap(跳)--leaped/leapt--leaped/leapt

提示

的过去式与原形同形:

比:beat(打击)beat(过去式)beaten(过去分词)

有规则变化和不规则变化两种,含义不同

比:lielied,lied(说谎)

lay,lain(躺,位于)

有规则变化和不规则变化两种,含义不同

比:hanghanged,hanged(处绞刑)

hung,hung(挂,吊)

e(欢迎)一词是规则动词,不可误用为不规则动词

比:welcomewelcomed,welcomed(正)

welcome,welcome(误)

e.不要将不规则动词误用为规则动词

比:hit(打)hit,hit(正)

hitted,hitted(误)

(三)、不规则动词过去式和过去分词归纳

A.原形与过去式和过去分词完全相同.

cost----cost----costcut----cut----cutput----put----put

let----let----letset----set----sethit----hit----hit

shut----shut----shuthurt---hurt----hurtread---read----read读音/e/

lie---lied---lied说谎lay---laid---laid放置,下蛋lay---lain躺下,位于,平放

sdon’t_______eggsduringsuchcoldweather.

She_____herbooksonthetable.____

B.过去式与过去分词完全相同

1.过去式和过去分词中含有ought,aught,读音是[:t]

bright----brought----broughtthink----thought----thought

buy----bought----boughtcatch----caught----caught

teach----taught----taught

2.动词原形中的e为o,变成过去式和过去分词。

get----got----gotsell----sold----soldtell----told----told

3.动词原形中i为a,…

sit----sat----satspit----spat----spat

4.动词原形中i为o,…

win----won----wonshine----shone/shined----shone/shined

5.动词原形中an为oo,…

stand----stood---stoodunderstand----understood----understood

6.动词原形中的ay为ai,…

say----said----saidpay----paid----paid

7.a)动词原形中的d为t,…

send----sent----sentlend----lent----lent

spend----spent----spentbuild----built----built

b)动词原形最后一个字母改为t,…

smell----smelt----smeltlose----lost----lost

c)动词原形后加一个字母t,…

learn----learnt----learntmean----meant----meant读音/e/

d)动词原形中的ee去掉一个字母e,然后在词尾加t.字母e发音/e/

feel----felt----feltsleep----slept----slept

sweep---swept----sweptkeep----kept-----kept

其它

meet----met----methave----had----hadhold----held----held

make----made----madedig----dug----dughear----heard----heard

find----found----foundhang----hung----hung

C.原型与过去分词相同

come----came----comerun----ran----runbecome----became----become

D.原形,过去式,和过去分词完全不同

1.把动词原形中i改为a变成过去式,改成u变成过去分词.

begin----began-----begundrink---drank----drunkring----rang-----rung

swim----swam----swumsing----sang----sung

2.把动词原形中o改为e变成过去式,在原形词尾加n变成过去分词.

blow----blew----blowngrow----grew----grownknow---knew---known

throw----threw----thrownfly----flew/flu:/----flown(和以上相似)

3.以下动词的过去分词都以en结尾,故把它们分为一类.

a)把动词原形中i改为o变成过去式,在词尾加n变成过去分词.

drive----drove----drivenrise---rose---risenwrite---wrote---written(双写t)

ride----rode----ridden(双写d)

b)把动词原形中ea改为o,在词尾加e变成过去式,在过去式后加n变成过去分词.

speak----spoke----spoken

steal----stole----stolen

break----broke----broken

c)把动词原形中的个别字母或字母组合改为o变成过去式,在过去式后加n变成过去分词.

wake----woke----woken

freeze----froze----frozen

choose----chose----chosen

forget----forgot----forgotten(双写t,加en)

d)其它过去分词以en结尾的动词

eat----ate----eatenbeat----beat----beatenfall----fell----fallen

give----gave----givensee----saw----seentake----took----taken

mistake----mistook-----mistakenhide----hid----hidden(双写d)

E.没有过去分词的动词

can-----could-may----might-shall----should-will----would-

其它

am,is--was--beenare--were--beendo--did--done

draw-----drew-----drawngo-----went-----goneshow----showed----shown

wear---wore----worn

不规则动词的过去式

不规则动词的过去式是同学们学习的重点,也是一个难点。同学们应通过不规则动词的动词原形和它们的过去式

找出其变化规律,总结如下:

1.把动词原形中的o改为a,变成过去式。过去分词不变.如:

become—became,come—came

2.把动词原形中的i改为a,变成过去式。如:

begin—began,drink—drank,give—gave,ring—rang,sing—sang,sit—sat,swim—swam,sink—sank,

3.把重读开音节中的i改为o,变成过去式。如:

drive—drove,ride—rode,shine—shone,win—won,write—wrote

4.动词原形中的e改为o,变成过去式。如:

get—got,forget—forgot

5.动词原形中的eep改为ept,变成过去式。如:

keep—kept,sleep—slept,sweep—swept

6.动词原形中的an改为oo,变成过去式。如:

stand—stood,understand—understood

7.改动词原形中的aw/ow为ew,变成过去式。如:

draw—drew,grow—grew,know—knew,throw—threw(动词show除外,show—showed)

8.动词原形中的eak改为oke,变成过去式。如:

break—broke,speak—spoke

9.动词原形中的ell改为old,变成过去式。如:

sell—sold,tell—told

10.以ought和aught结尾,且读音是[:t]的过去式。如:

bring—brought,buy—bought,think—thought,catch—caught,teach—taught

11.以ould结尾且读音为[ud]的情态动词过去式。如:

can—could,shall—should,will—would

12.在动词原形后加d或t变成过去式,并且发生音变。如:

hear[hi]—heard[h:d],say[sei]—said[sed],

mean[mi:n]—meant[ment],dream—dreamt[dremt]

13.动词的过去式与动词原形一样。如:

cut—cut,hit—hit,hurt—hurt,let—let,must—must,

put—put,read—read[red],set—set

14.动词的过去式有两种形式。如:

dream—dreamed/dreamtlearn—learnt/learnedshine—shone/shined

smell—smelt/smelledwake—woke/waked

15.不符合上述规律的动词过去式。如:

am,is—was,are—were,build—built,do—did,eat—ate,fall—fell,

feel—felt,find—found,fly—flew,go—went,have/has—had,hide—hid,

hold—held,lay—laid,leave—left,lie—lay,lose—lost,make—made,may—

might,run—ran,see—saw,smell—smelt,take—took,wake—woke,

wear—wore

👁️ 阅读量:0