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    考查名词的单数形式转换成复数形式 (1).名词的单数形式转换成复数形式 ①一般情况下直接在单数名词之后加-s变为复数名词.例如:desk→desks, key→keys, monkey→monkeys, boy→boys等 ②以-x,-s,-ch,-sh,结尾的单数名词变为复数名词时.在单数名词之后加-es.例如:fox→foxes, boss→bosses, bus→buses, class→classes, dress→dresses, witness→witnesses, address→addresses, beach→beaches, coach→coaches, couch→couches,inch→inches,sandwich→sanwiches, church→churches,watch→watches,match→matches,speech→speeches, witch→witches,dish→dishes,brush→brushes,goldfish→goldfish, fish→fishes, toothbrush→toothbrushes等. ③以o结尾的单数名词变为复数名词时.在单数名词之后加-s的有:zoo→zoos,radio→radios,photo→photos,piano→pianos,kilo→kilos, mango→mangos,bamboo→bamboos,kangaroo→kangaroos. 加-es有:tomato→tomatoes, potato→potatoes, dodo→dodoes/s, hero→heroes. ④以辅音字母+y结尾的单数名词变为复数名词时.先变y为i.再加-es.例如:family→families,lady→ladies,baby→bibies,copy→copies, body→bodies,century→centuries,diary→diaries,dictionary→dictionaries,factory→factories,library→libaries,battery→batteries, documentry→documentries,buddy→buddies,ability→abilities,country→countries,butterfly→butterflies,enemy→enemies,memory→memories, balcony→balconies,laboratory→laboratrories,beauty→beauties, charity→charities,comedy→comedies,industry→industries, quallity→quallities,reply→replies,difficulty→difficulties, theropy→theropies, mystery→mysteries, hobby→hobbies, story→stories,city→cities,laundry→laundries,activity→activities等. ⑤以f或 fe结尾的单数名词变为复数名词时.先变f或 fe为v.再加-es.例如:half→halves, knife→knives,wife→wives,leaf→leaves, shelf→shelves,herself→themseves,scalf→scalfs/scalves,wolf→wolves等. 考例1:[2005年镇江市] Look! There are some flying in the sky. 分析:所给的词bird是可数名词的单数形式.根据主谓一致可知.应填名词的复数形式.bird的复数形式是birds.因此应填birds. 考例2:[2005年泰州市] Your present is in one of the . Can you guess? (box) 分析:所给的词box是可数名词的单数形式.根据习惯表达 “one of the +可数名词复数 可知.应填名词的复数形式.box的复数形式是boxes.因此应填boxes. 考例3:[2004年淮安市] Newspaper reports say that some more have become E.U.members this year. 分析:所给的词country是可数名词的单数形式.根据主谓一致可知,应用可数名词的复数形式.因此应填countries. 考例4:[2003年济南市] The earthquake rocked the cities in the north of Algeria. Many people lost their . 分析:所给的词life是可数名词的单数形式.根据句意可知.应用名词的复数形式.life的复数形式为lives.因此应填lives. (2).名词的单数形式转换成复数形式 foot→feet,tooth→teeth,child→children,man→men,woman→women, policeman→policemen,policewoman→policewomen, Frenchman→Frenchmen,snowman→snowmen,businessman →businessmen,Englishman→Englishmen,gentleman→gentlemen, salesman→salesmen, mouse→mice/mouses, sheep→sheep, Chinese→Chinese, Japanese→Japanese, fish→fish等. 考例1:[2004年无锡市] It’s good for us to brush our after meals. 分析:所给的词tooth是可数名词的单数形式.根据句意可知.应用名词的复数形式.而tooth的复数形式是不规则的.为teeth.因此应填teeth. 【查看更多】

     

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    小博士：细心的同学们肯定发现了有些名词有单数(singular)和复数(plural)两种形式，而有些名词只有单数形式，这是怎么回事呢？让我来告诉你吧。英语中，名词按其所表示的事物的性质，可分为可数名词(countable noun)和不可数名词(uncountable noun)，可数名词有复数形式，不可数名词一般没有复数形式。名词单数变复数的变化规则见下表。

    比一比，看谁写的单词多！

    1　　直接加-s的单词有：________________________________.

    2　　加-es的单词有：___________________________________.

    3　　变y为i再加-es的单词有：__________________________.

    4　　不规则变化的单词有：_______________________________.

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    写出下列名词的复数形式。
    1. desk        
    2. eraser      
    3. friend      
    4. boy          
    5. box          
    6. class        
    7. watch        
    8. wish        
    9. leaf        
    10. family      
    11. wife        
    12. dictionary  
    13. man        
    14. woman      
    15. child      
    16. foot            		 _____        
    _____        
    _____        
    _____        
    _____        
    _____        
    _____        
    _____        
    _____        
    _____        
    _____        
    _____        
    _____        
    _____        
    _____        
    _____        

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    名词的复数形式
    1. woman _________
    2. tomato _________
    3. family _________
    4. knife _________
    5. child _________
    6. foot _________
    7. watch _________
    8. class _________

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    写出下列名词的复数形式:
    1. hamburger_____________
    2. tomato_______     ______
    3. orange___________   ___
    4. banana___________ ____
    5. strawberry___________ _
    6. pear__________          __

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    写出下列名词的复数形式。
    1. life _______    
    3. leaf _______   
    5. half _______    
    7. thief _______        		 2. knife _______
    4. shelf _______                                  
    6. wife ________
    8. wolf ________

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