名词单复数变形及练习

.名词单复数变化规则1、规则变化1)一般情况直接加s，如photophotoscarcars2)以s,sh,ch,x等结尾的词加es，如busbuseswatchwatches注意：四个以o结尾加es变复数的单词：黑人negroes,英雄heroes,土豆potatoes,西红柿tomatoes 口诀：“黑人英雄爱吃土豆西红柿”3)以ce,se,ze,(d)ge等结尾的词加s，如licenselicenses4)以辅音字母+y结尾的词变y为i再加es，如babybabies注意：以元音字母+y结尾的词直接加s变复数，如 boyboys; keykeys5）以“f”,fe结尾，把f或fe改成v+es，如wifewives2、不规则变化1)childchildrenfootfeettoothteethmousemicemanmenwomanwomen注意：与man和woman构成的合成词，其复数形式也是-men和-women。2）单复同形如deer，sheep，fish，Chinese，Japanese但除人民币元、角、分外，美元、英镑、法郎等都有复数形式。如:adollar,twodollars;ameter,twometers；apound，twopounds3）集体名词，以单数形式出现，但实为复数。如：peoplepolicecattle等本身就是复数，不能说apeople，apolice，acattle，但可以说aperson，apoliceman，aheadofcattle（一头牛）。theEnglish，theBritish，theFrench，theChinese，theJapanese等名词，表示国民总称时，作复数用。如：TheChineseareindustriesandbrave.中国人民是勤劳勇敢的。4）以s结尾，仍为单数的名词，如：maths，politics，physics，news，theUnitedStates，theUnitedNations是单数。如：TheUnitedNationswasorganizedin1945.联合国是1945年组建起来的。5)表示由两部分构成的东西，如：glasses(眼镜)，trousers,clothes若表达具体数目，要借助数量词，如apairofglasses;twopairsoftrousers；a piece of clothes.其他需要借助数量词表达具体数目的名词短语：a cup of tea/coffee/water; a bottle of milk/ juice/ ink; a piece of advice/suggestion/ bread/ cake/ paper/news; two drops of ink(两滴墨水)。练习1. 写出下列名词复数形式 leaf_box_knife_fly_fox_ bus_ beach_ brush_ kiss_ church_ dish_ ruler_ peach_ glass_ pencil_ boy_ zoo_ man_ roof_ sheep_ knife_ lady_ key_ story_ watch_ bamboo_ city_ family_ day_ apple_ eraser_ speech_ thief_ mouse_ fish_ goose_ people _ ox_ Chinese _ deer _ foot_ child_ tooth_ guy_ hero_ spy_ boss_ monkey_ city _ goat _ radio _ horse _ dog _ 2.用括号里单词的正确形式填空1There are so many_(wolf)in the forest. 2There are three _(chair) in the classroom. 3These_(tomato)are red. 4_(hero) are great. 5My brother looks after two_(baby) 6There are some _(deer) eating the grass. 7My father likes to eat _(potato). 8Chinese _(people)like to eat noodles . 9I have a lot of _(toy) in my bedroom. 10I help my mother wash _(dish) in the kitchen.11I have two _(pencil-box). 12There are some _(bus)in the street. 13Peter has eight _(foot).14Linda has three _(tooth). 15There are some _(child) in the garden.16Michael likes the _(mouse). 17There are some _(goose)in the river.18My uncle and father are _(man). 19Tom and King are _(boy).20Linda has three _(toot