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不规则动词过去式和过去分词

发布时间:2014-04-30 13:37:10  

不规则动词过去式和过去分词

A. 原形与过去式和过去分词完全相同.

cost----cost----cost cut----cut----cut put----put----put let----let----let set----set----set hit----hit----hit shut----shut----shut hurt---hurt----hurt read---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

eg. The hens don’t _______eggs during such cold weather.

She _____ her books on the table. ____

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----brought think----thought----thought buy----bought----bought

catch----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----got sell----sold----sold tell----told----told

3. 动词原形中i为a, … sit----sat----sat spit----spat----spat

4. 动词原形中i为o, … win----won----won shine----shone/

shined----shone / shined

5. 动词原形中an为

oo, … stand----stood---stood understand----understood----understood

6. 动词原形中的ay为ai,… say----said----said pay----paid----paid

7. a)动词原形中的d为

t,… send----sent----sent lend----lent----lent

spend----spent----spent build----built----built

b ) 动词原形最后一个字母改为

t , … smell----smelt----smelt lose----lost----lost

c ) 动词原形后加一个字母

t, … learn----learnt----learnt mean----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----felt sleep----slept----slept sweep---swept----swept keep---- kept----- kept

其它

meet----met----met have----had----had hold----held----hel make----made----made dig----dug----dug hear----heard----heard find----found----found hang----hung ----hung

C.原型与过去分词相同

come----came----come run----ran----run become----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

-----begun drink---drank----drunk ring----rang-----rung

swim----swam----swum sing----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----blown grow----grew----grown know---knew---known throw ---- threw ---- thrown fly ----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----driven rise---rose---risen write---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----eaten beat---- beat ----

beaten fall----fell----fallen

give----gave----given see----saw----seen take----took----taken mistake---- mistook----- mistaken hide----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----- been are-----were-----

been do-----did----- done

draw-----drew----- drawn/ :/ go-----went-----

gone show----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/ dreamt learn—learnt/ learned shine—shone/ shined smell—smelt/ smelled wake—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

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