名詞變復(fù)數(shù)及練習(xí)題.ppt

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1、名詞單數(shù)變復(fù)數(shù)口訣(一)規(guī)則變化　　名詞單數(shù)變復(fù)數(shù)，直接加-s占多數(shù)；s,?x,??ch,?sh來(lái)結(jié)尾，直接加上-es；　　詞尾是f或fe，加-s之前先變ve；　　輔母+?y在詞尾，把y變i再加-es；　　詞尾字母若是o，常用三個(gè)已足夠，　　要加-es請(qǐng)記好，hero,?tomato,?potato。1.英語(yǔ)名詞有單數(shù)和復(fù)數(shù)的區(qū)別，單數(shù)表示“一”，復(fù)數(shù)表示“多于一?！泵~由單數(shù)變復(fù)數(shù)，多數(shù)是規(guī)則的變，直接加-s，例如：book?→?books,??girl?→?girls。但以-s,?-z,?-x,?-ch,?-sh結(jié)尾的名詞，變成復(fù)

2、數(shù)時(shí)加-es,例如：bus?→?buses,??buzz?→?buzzes,?box?→?boxes,watch?→?watches,??brush?→?brushes2.?-f(e)結(jié)尾的名詞單數(shù)變復(fù)數(shù)歌訣：①?樹(shù)葉半數(shù)自已黃，妻子拿刀去割糧，架后竄出一只狼，就像強(qiáng)盜逃命忙。例如：leaf?(樹(shù)葉，葉子)，half?(一半)，self?(自已)，wife?(妻子)，knife?(刀子)，shelf?(架子)，wolf?(狼),??thief?(竊賊，強(qiáng)盜)和life?(生命)，這些名詞變成復(fù)數(shù)時(shí)，都要改-f?(e)為v，再加-es。4.輔音字

3、母+?y結(jié)尾的名詞，把y變i加-es。例如：baby?→?babies,?country?→?countries,family?→?families；而-y前是元音時(shí)，-y不變，直接加-s。例如：day?→?days,?boy?→?boys5.以-o結(jié)尾的名詞變復(fù)數(shù)時(shí)，多數(shù)直接加-s。例如：radio?→?radios,??piano?→?pianos,kangaroo?→?kangaroos；有的須加-es，中學(xué)課本中有幾個(gè)這樣的單詞，可以通過(guò)一句口訣來(lái)記憶：黑人英雄愛(ài)吃西紅柿和土豆。即Negro?→?Negroes,?hero?→?hero

4、es,tomato?→?tomatoes,?potato?→?potatoes；(二)不規(guī)則變化　　男人女人a變e，鵝足牙oo變ee；　　老鼠虱婆也好記，ous變ic；　　孩子加上ren，魚(yú)鹿綿羊不用變。6.名詞復(fù)數(shù)的不規(guī)則變化需要特別記憶。例如man?→?men,?woman?→?women,goose?→?geese,??foot?→?feet,?tooth?→?teeth,mouse?→?mice,?louse?(虱子)?→?lice,child?→?children,?fish?→?fish,deer?(鹿)?→?deer,?sh

5、eep?→?sheep等。寫(xiě)出下列名詞的復(fù)數(shù)形式1、orange??????????2、class3、text???????4、monkey5、piano6、child7、shelf????????????8、bed9、country????????10、family11、toy??????????12、foot13、Japanese?????14、radio15、photo??????16、army17、tomato??????18、fox19、woman????????20、knife22、sheeporangesclassestextsm

6、onkeyschildrenshelvesbedscountriesfamiliestoysJapaneseradiosphotostomatoesfoxespianosfeetwomenknivessheeparmies二、用所給的單詞的復(fù)數(shù)的正確形式填空：1．Therearesomany________(wolf)intheforest.2.Therearethree______(chair)intheclassroom.3.These_______(tomato)arered.4.______(hero)aregreat.5．Mybrot

7、herlooksaftertwo______(baby)6．Therearesome____(deer)eatingthegrass.7．Myfatherlikestoeat_______(potato).8Chinese______(people)liketoeatnoodles.9．Ihavealotof______(toy)inmybedroom.10．Ihelpmymotherwash______(dish)inthekitchen.wolveschairstomatoesHeroesbabiesdeerpotatoespeopleto

8、ysdishes11．Ihavetwo______(pencil-box).12．Therearesome______(bus)inthestreet