完整word版动词第三人称单数变化规则如下

1、动词第三人称单数变化规则如下高三英语复习动词第三人称单数变化规则1) 一般情况下，动词后面直接加-S.例如： works gets says reads-es。2)以ch,sh,s,x或o结尾的动词,在后面加例如：7 / 6go-goesbrush-brushes3）以辅音字母study- studiesteach-,teache,catch-catches ,do-does+ y结尾的动词，把y变为try-tries carry-carrieswash-washes,fix -fixes再加-es.例如：,fly-flies cry-cries现在分词变化规则1. 直接 + ing(例: s

2、leep+ing sleeping)2. 去 e+ing(例: bite-e+ing biting)3重读闭音节，且末尾只有1个辅音字母，双写辅音字母+ing(例：sit+t+ingsitti ng)4.特殊变化：die-dying,lie-lying，tie-tying3、现在分词的变化规则：(1) 一般情况下，直接在动词后加ingwork - worki ngslee p slee pingstudy study ing(2) 动词以不发音的一e结尾，要去一e加一ingtake tak ingmake maki ngdance dancing(3) 重读闭音节的动词，要双写词尾字母，再加i

3、ngcut cutt ingput pu tt ingbeg inbeg inning(4) 以一ie结尾的动词，把变成y再加一 inglie lyi ngtie tyi ng die dying形容词的比较级和最高级变化形式规则如下构成法原级比较级最高级一般单音节词末尾加er和eststro ngstron gerstro ngest单音节词如果以e结尾，只加 r和ststra ngestra ngerstra ngest闭音节单音节词如末尾只有一个辅音字sad big hotsadder bigger hottersaddest biggest hottest母，须先双写这个辅音字母，再加

4、er和 est 少数以 y, er（或 ure）,ow, ble结尾的双音节词，末尾加 er和 est（以/结尾的词，女口y前是辅音字母，把y变成，再加 er和 est，以 e结尾的词仍加r 和 st）an gry clever n arrow noblean grier cleverer n arrower n obleran grest cleverest n arrowest n oblest其他双音节和多音节词都在前面加单词more 和 mostdiffere ntmore differe ntmost differe nt比较级最咼级important difficultmore i

5、mp orta ntmore difficultmost imp orta ntmost difficultin teresti ngusefulmore in terest ingmore usefulmost in terest ingmost usefulI.学会下列形容词的比较级和最高级: 原级比较级最咼级1. talltallertalleststro ng oldstro ngerolderstron gestoldest2. largefinelargerfinerlargestfin estb.其他词都在前面加more, most构成比较级及最高级: 原级latelaterla

6、test3. bigbiggerbiggesthothotterhottestthinthinnerthi nn est4. easyeasiereasiestbusybusierbusiesthappyhapp ierhapp iest5. valuablemore valuablemost valuabledan gerousmore dan gerousmost dan gerouscomfortablemore comfortable most comfortable1.有几个形容词有特殊的比较级和最高级形式:原级比较级最咼级goodwell betterbestbadill wors

7、eworstmanymuch moremostlittlelessleastfar fartherfurther farthestfurthestold olderelder oldesteldester,le结尾的词,2.双音节词除了以“辅音+ y”结尾的词外，还有以ow, 和个别其他双音节词，可以用加词尾的办法构成比较级和最高级:原级比较级最咼级n arrown arrowern arrowestclevercleverercleverestsim piesim piersimp lestcom moncom monercom monest3.也有少数单音节词可以加more和most的办法

8、构成比较级和最高级:原级比较级最咼级P leasedmore pl easedmost p leasedtiredmore tiredmost tiredgladmore gladmost glad名词的复数形式例词构成方法在词尾加-s1. 以 S、X、sh、ch 结尾的名词后加-es2. 如词尾是e只加-s如词尾为-或-e，则一般变为 -es以辅音+y结尾的名词，变 y为i再力卩-es以元音+y结尾的名词，加-s以辅音+0结尾的名词，加-es以元音+0结尾的名词，加-S以-th结尾的名词，力卩-s英语里有一些名词的复数形式不是以词尾-s或-es构成,构成方法例词变内部元音foot u fee

9、ti: man men e mouse au mice ai woma n wome n e 词尾加-enox oxe n（公牛）child ai childre n i 形式不变（通形名词-单、复数同形）dee deer fishfish sheep shee p集合名词（只有复数，没有单数。）trouserspeople （人，人民）glasses （眼镜）名词做定语1. 只在后面名词加复数2. man, woma n随之后面的名词1. apple tree apple trees2. man doctor men doctors3. sp orts sho psp orts shoes而

10、变化，后单其单，后复其复。3. sport作定语永远用作复数。表示国籍的名词（中日不变，英法变，其余词后加 s）Chin ese Chin eseJapan es Japan eseEn glishman En glishme nFren chmar Fren chme nAmerica nAmerica ns其它名词复数的规则变化1）以y结尾的专有名词，或元音字母+y结尾的名词变复数时，直接加s变复数:女口：two Marys the Henrysmon key-mon keys holiday-holidays比较： 层楼：storey -storeys story-stories2）以o

11、结尾的名词，变复数时：a. 力卩 s，如：photo-photos piano-pianos力卩 es,如：potato-potatoes tomato-tomatoes 均可，如：zero-zeros / zeroes 以f或fe结尾的名词变复数时：力卩 S, 如：belief-beliefs roof-roofsradio-radios zoo-zoos；C.3)a.b.safe-safes gulf-gulfs；b.去 f,fe 力卩 ves,如：half-halvesknifekni ves leaf-leaves wolfwolves wife-wives life-lives th

12、ief-thieves ；c.均可，如：han dkerchief:han dkerchiefs / han dkerchieves动词变名词1.在词尾加er,r ,双写加er或or:A. p lay _ p layer, sing _ sin ger, wait _ waiter , find _ fin der, thrill _ thriller， hunt-hunterB. write _ writer, drive _ driver, come _ comer, explore _ explorer dance _ dancerC. run _ runner, win _ winn

13、er, rob _ robber, traval _ travallerD. visit _ visitor, i nvent _ inven tor,act-actor,advise-advisor2. 在词尾加ing:build _ buildi ng, draw _ draw ing, end _ ending, beg in _ beg inning, swim _ swimming , skate _ skating, feel _ feeling, say _ saying, mean _ meaning, cross _ cross ing , surf _ surfi ng,

14、paint _ pain ti ng3. 在词尾加ion或去e加ion:A. decide _ decisi on, describe _ descri pti on, p roduce _ p roduct ion, celebrate _ celebrati on,pronounce _ pronun ciatio n, decorate _ decoratio n graduate _ graduati on, frustrate - frustrati on,p ollute _ p olluti oncon tribute _ con tributi on, con gratulat

15、e _ con gratulati on, educate _ education , organize _ orgnization,donate _ donation, app reciate _ app reciati on , op erate _ op erati on, in vite _ in vitati onB. discuss discussi on, invent inven tio n, attract attract ion imp ress _ imp ressio n,inject _ injectio n,i nstruct _ in structio n4.其它：know _ kno wledge, pl ease _ p leasure