7（3）名词单复数

名词单复数,变化规则,一、绝大多数的可数名词的复数形式，是在该词末尾加上后辍-s。例：friendfriends;catcats;stylestyles;sportsports;piecepieces二、凡是以s、z、x、ch、sh结尾的词，在该词末尾加上后辍-es构成复数。例：busbuses;quizquizzes;foxfoxes;matchmatches;flashflashes,三、以辅音字母+y结尾的名词，将y改变为i，再加-es。例：candycandies;daisydaisies;fairyfairies;ladyladies;storystories四、以-o结尾的名词，加-es或加-s构成复数。例：tomatotomatoes;potatopotatoes;反例：pianopianos;photophotos;macromacros（缩写词）,五、以-f或-fe结尾的名词，多为将-f或-fe改变为-ves，但有例外。例：knifeknives;lifelives;leafleaves;反例：roofroofs六、部分单词的复数形式不变。例：fishfish;sheepsheep;cattlecattle;deerdeer,七、极少数单词，其复数形式没有任何规律。例：manmen;womanwomen;childchildren;personpeople;goosegeese,专项练习,写出下列名词复数leaf_box_knife_fox_bus_dish_ruler_glass_pencil_boy_zoo_man_sheep_key_story_bamboo_family_day_fish_goose_Chinese_deer_foot_child_tooth_hero_boss_monkey_,用所给的单词的复数的正确形式填空：1Ihavetwo_(pencil-box).2Therearethree_(chair)intheclassroom.3These_(tomato)arered.4_(hero)aregreat.5Mybrotherlooksaftertwo_(baby)6Therearesome_(deer)eatingthegrass.7Myfatherlikestoeat_(potato).8Chinese_(people)liketoeatnoodles.9Ihavealotof_(toy)inmybedroom.10Ihelpmymotherwash_(dish)inthekitchen.,选出正确形式1Icanseethree_inthezoo.AmonkeysBmonkeysCmonkey2.Thepighasfour_.footB.feetC.foots3.Mytwobrothersareboth_.policemanB.policemansC.policemen4.Therearefour_intheclass.JapaneseB.JapanesesC.Japan5.Icanseeten_inthepicture.A.sheepB.dogC.pig,6.The_hasthree_.boys,watchesB.boy,watchC.boy,watches7.Canyousee_ontheplate?A.breadB.breadsC.breades8.Thegirloftenbrushesher_beforeshegoestobed.toothB.toothsC.teeth9.MrBlackoftendr