名词复数的加法和动词三种形式加法

1、名词复数的加法：1.直接加 s如： ball sboy s birds studentsteachers officers drivers2. 词尾辅音字母加 y iesstorystor iesbabybabiesfactory factoriessecretarysecretaries3.词尾为 s ， x ， ch ，sh 后 + es如： glass esbox es watchesdish es brushes4.Nigroes , heroes ,potatoes , tomatoes其余的 o 结尾 + s5.词 尾 为 f ves 如 ： shelf shelvesleaf l

2、eaveshandkerchiefhandkerchie fs/ves词尾为 -fe ves如： knife kniveslife liveswifewives但： roofs 屋顶 chiefs 首领 proofs证据 serfs农奴gulfs海湾特殊 ：foot tooth bison sheep deer Chinese man woman (German) child mouse oxfeet teeth bison sheep deer Chinese men women ( Germans) children mice oxen脚牙齿野牛绵羊鹿中国人男人女人德国人孩子老鼠公牛名词所

3、有格有生命的所有格构成：名's或 名 -s'无生命物体名词所有格：of +名词girl'schildren'sman'sa legof the chair,boss'the smiths'the gateof our school特殊： the keyto the door用法：1.可带名词。 China's population； This is Lucy's cat.2.也可不带名词。 This cat is Lucy's.3.表示节日：Children'sDay Women's Day Tea

4、chers'Day AprilFoolsDay4.twenty minutes' walka twenty-minute walktwo months' holidaya two-monthholiday5.表示共同拥有：Lucy and Lily 's father表示各自拥有：Lucy 's and Lily's hands6.表示地点：注意： 1、 the +at the doctor's姓的复数表示一家人：，在诊所go to the barber'sthe Reads , the Smiths去理发店作主语时谓语用复数2、

5、 带有连接符号的作定语的名词不能加s 或es：some 16-year-old boys ,3、作定语的名词一般不用复数形式two banana trees some girl students除 a man teachertwo men teachers ,a woman teacher three women doctors外修饰可数名词和不可数名词：只修饰可数名词复数：只修饰不可数名词：somemanymuchanyfewlittlelots of = a lot ofa fewa little= a bit oflarge quantities ofa number ofa great

6、 deal ofa large quantity ofa large number ofa large amount ofplenty ofthe number ofthe amount ofa mass of = masses of 动词 一般现在时第三人称单数的变化规则（动词三单式）1.一般在动词结尾直接加shelp - helps climb - climbs talk - talks sing - sings live stay ss2.以 s, x, ch, sh, o结尾的动词加es；guess - guesseswash - washesteach - teacheswatch

7、- watcheswish- wishesgo-goesdo-does3. 以辅音字母 + y 结尾的动词 , 变 y 为 i 后 , 加 esstudy-studieshurry-hurriescarry-carries try-triesfly- flies4. 特殊： have- hasbe- is动词 现在分词 变化规则（ doing 形式）1.一般在动词结尾直接加inghelp helpingclimb-climbingsing-singinglook lookinggo goinglisten- listening buy-buyingstay- stayingfly flying

8、2. 去掉词尾不发音的 e 后 加 ingtake - takingcome - coming shave - shaving give giving type-typingshine shining live-livingarrive-arriving (但：seeing， being)3.重读闭音节，一元音字母+一辅音字母结尾的，双写这个辅音字母后加 ingrun runningsit sittingput puttingshutshuttingswim swimmingget gettingset settingdrop droppingstopstoppingshop -shoppin

9、ghit hittingplan planning step- steppingbegin beginning4.特殊 3 个： lie （ 躺，位于，说谎） lyingdie死 -dyingtie系上帮上 tying规则动词的 过去式 和过去分词 的加法1.一般情况下，动词词尾加-edwork edtalkedwalledplayed stayedwant ed watched wash ed need ed2. 以不发音的 -e 结尾动词，动词词尾加 -dlikedlivedtyped shave dmove d raiseddecide d3. 以辅音字母 + y 结尾的动词，把 -y

10、变为 -i 再加 -ed ，study- stud iedcarry-carr iedhurry hurr iedtry-tr iedcopy-cop iedcry- cried4.重读闭音节，一元音字母+ 一辅音字母结尾的 ，双写词尾辅音字母，再加-edstoppedbeggeddroppedplanneddripped 使滴下dropped丢下 , 扔下 ; 降低step pedprefer red写出下列动词的三单式、现在分词，过去式和过去分词1. stand9. look25. put33. hope2. sit10. see18. help26. ask34. think19. gi

11、ve27. tell35. eat4. take12. feel28. say36. live5. come13. borrow21. get29. speak37. work6 go14. lend22. buy30. talk38 . learn7. leave15. keep23. sell31. catch39. rest8. run16. carry24. turn32 .make40. sleep不可数名词液体、饮料肉类修饰词watermeat肉soapsometeabeef牛肉tobaccoanycoffeelamb羔羊肉paperplenty ofScotch Whiskysteak牛排writing paper信纸muchwinemince肉馅chalka great deal ofbeerchicken鸡肉worklittlemilkfish鱼肉homeworka littlebutterdu