动词的变化规则

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动词变三单:

动词第三人称单数的变化规则:

①、一般情况下,词尾加s,如;like----likes, want----wants.

②、以s, x, ch, sh, o结尾的加es,如,watch---watches, go---goes。

③、以y结尾的归两大类:

★元音+y要加s,如play----plays

★辅音+y要变y为i+es如study---studies

动词进行时

1.通常在动词后加ing。如play→playing

2.以不发音的e结尾的动词,去e加ing。如make→making

3.以辅元辅结尾的动词,双写末尾字母,再加ing。如run→running

4.以ie结尾的动词,变ie为y,再加ing。如lie→lying

注:travel / quarrel可双写l,也可不双写。如travel→travelling / traveling

动词过去式规则变化大全:

[1] e结尾的情况:

e结尾的动词, 直接加d: smile--smiled; hope--hoped.

ie结尾动词,直接加d: died;tied.

[2] 双辅音结尾的情况:

两个辅音字母(consonant)结尾的, 直接加ed: helped; learned. [3]两个元音+一个辅音结尾的情况:

两个元音(vowels:a,e,i,o,u)加一个辅音字母结尾的动词,直接加ed: rained; heated.

[4] 一个元音+一个辅音结尾的情况:

一个元音(vowel)加一个辅音字母结尾的动词:

(1) 对单音节(one-syllable)单词,双写最后一个辅音字母加ed.

. stopped; planned;

(2) 对双音节(two-syllable)单词,如果重读在第一个音节处,不双写加ed. 如: visited(重读在vis前); offered(重读在of前);

(3) 对双音节(two-syllable)单词,如果重读在第二个音节处,双写词尾辅音字母加ed. 如: preferred(重读在fer前); admitted(重读在mit前); referred; deferred;

[5] y结尾的情况:

元音+y结尾动词,直接加ed: played; enjoyed.

辅音+y结尾动词,y变i加ed: worried;studied.

1.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

2.把重读开音节中的i改为o,变成过去式。如:drive—drove,ride—rode,write—wrote

3.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)

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ee改为e,变成过去式。如:feed—fed,meet—met 6.动词原形中的eep改为ept,变成过去式。如:keep—kept,sleep—slept,sweep—swept

7.动词原形中的eak改为oke,变成过去式。如:break—broke,speak—spoke

8.动词原形中的ell改为old,变成过去式。如:sell—sold,tell—told 9.动词原形中的an改为oo,变成过去式。如:stand—stood,understand—understood

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.把动词原形中的o改为a,变成过去式。如:come—came,become—became

13.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〕

14.动词的过去式与动词原形一样。如:

let—let,must—must,put—put,read—read〔red〕

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,hold—held,leave—left,make—made,may—might,run—ran,see—saw,take—took

名词复数变化规则

一、可数名词都有单数和复数之分。

A: 规则的可数名词的复数变化规则:

1.一般情况加s :book-- books mouth---mouths

house---houses girl---girls

2.以s 、sh 、ch 、x结尾的加es :class--- classes

box----boxes match----matches

3.辅音字母+ y结尾的变y为i加es:city---cities

country----countries party----parties factory----factories

4.以o 结尾的词+es的只有以下词:heroes Negroes tomatoes potatoes zeroes/zeros

以o 结尾并且词尾有两个元音字母+s radios, zoos,

bamboos ,(pianos ,kilos photos)

5.以f,fe 结尾的变f或fe为v +es :

thief wife life knife wolf half leaf shelf

The thief’s wife killed three wolves with some leaves and knives in half of her life.

B: 名词词尾的读音规则:

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