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12一、可数名词单复数变化规则规则举例1、一般情况,在名词后直接加sbag--bagsbook--books2、以“s/x/ch/sh”结尾的名词,加esbus--busesbox--boxeswatch-watchespeach-peaches3、以辅音母字加y结尾的名词,去y变i加esbaby-babiesstory-storiesfamily-families4、以o字母结尾的名词,有生命的加es,无生命的加shero-heroesnegro-negroespotato-potatoestomato-tomatoeszoo-zoos3一、可数名词单复数变化规则规则举例5、以“f”或“fe”结尾的名词,去“f”或“fe”加“ves”wife-wiveswolf-wolvesknife-kniveslife-lives6、单复同形,即单数复数形式一样。sheep、deer、fish、peopleasheeptwosheep7、特殊变化man-menwoman-womenfoot-feettooth-teeth8、表示“国家人”的词(1)单复同形中(Chinese)日(Japanese)瑞(Swiss)(2)把“a”变成“e”英(Englishman-Englishmen)法(Frenchman-Franchmen)(3)直接加“s”的德(German-Germans)美(American-Americans)4二、动词“单三”变化规则规则举例1、一般情况在动词后直接加slike-likesmeet-meetslook-lookswant-wants2、以“s/x/ch/sh”结尾的动词,加espass-passesmix–mixesteach-teachespush-pushes3、以辅音母字加y结尾的动词,去y变i加esfly-fliescarry-carries4、特殊变化do-doesgo-goeshave-hasbe-is5三、动词ing变化规则规则举例1、一般情况,在动词后直接加inglook-lookingdo-doingplay-playinggo-going2、重读闭音节,以一个元音加一个辅音结尾的动词,一般要双写尾字母加-ingsit-sittingget-gettingswim-swimming3、去掉词尾的不发音的“e”再加-ingtake-takinggive-givingcome-coming4、特殊变化lie-lying说谎tie-tying系(鞋带/领带等)die-dying死6四、动词过去式变化规则规则例子1、一般情况,在动词后直接加edwant—wantedlook—looked2、以不发音的“e”结尾的动词,直接加“d”like—likedlove—loved3、以辅音字母加“y”结尾的动词,改“y”为“i”加“ed”carry—carriedcry—cried4、重读闭音节中,以一个元音加一个辅音字母结尾的动词,双写辅音字母加“ed”stop—stoppedplan—planned7四、动词过去式变化规则5、不规则变化无法无天只变单元音am/is-wasare-weredo-didhave-hadlearn-learntsee-sawgo-wentspend-spenteat-atemeet-metsay-saidfly-flewrun-ransit-satsing-sangdrink-drankcome-camegive-gavebegin-begandraw-drewknow-knewaught和ought变成“o”了teach-taughtcatch-caughtthink-thoughtbuy-boughtstand-stoodtake-tookget-gotwrite-wroteride-rodetell-toldspeak-spoke去“e”加“t”永远不变sleep-sleptfeel-feltsweep-sweptkeep-keptlet-letput-putread-read8五、形容词副词比较级、最高级规则原级比较级最高级1、一般情况直接在词尾加“er”、“est”tallsmalltallersmallertallestsmallest2、以不发音的“e”结尾的词,直接加“r”、“st”nicebluenicerbluernicestbluest3、重读闭音节中,以一个元音加一个辅音字母结尾的单音节词,双写该字母加“er”、“est”bigthinbiggerthinnerbiggestthinnest4以辅音字母加“y”结尾的单音节词,去“y”为“i”加“er”、“est”busylazybusierlazierbusiestlaziest5双音节或多音节词前,加more、themostbeautifulmorebeautifulthemostbeautiful9五、形容词副词比较级、最高级6、不规则变化原级比较级最高级goodbetterbestwellbad/badlyworseworstillmanymoremostmuchlittlelessleastfarfartherfarthest10
本文标题:初级英语语法第12讲--小学词类变化总结-王衡英语-小升初英语四轮复习法
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