可數(shù)名詞變復(fù)數(shù)及練習(xí)

可數(shù)名詞變復(fù)數(shù)的變化規(guī)則導(dǎo)學(xué)案名詞在英語(yǔ)學(xué)習(xí)中是非常重要的，它分為可數(shù)名詞和不可數(shù)名詞。不可數(shù)名詞可以簡(jiǎn)單地理解為無(wú)法用數(shù)計(jì)算的名詞，比如肉類(lèi)meat、chicken等,液體water，juice，orange，milk等?？蓴?shù)名詞分單數(shù)和復(fù)數(shù)，單數(shù)常和a, an, the冠詞連用，如 a dog, an apple, 但是可數(shù)名詞變復(fù)數(shù)是同學(xué)們?cè)趯W(xué)習(xí)時(shí)接觸過(guò)的語(yǔ)法現(xiàn)象，也是比較難以掌握的，同時(shí)也是每次考試涉及到的重要知識(shí)點(diǎn)，本節(jié)課我們一起總結(jié)可數(shù)名詞變復(fù)數(shù)的規(guī)則。一、名詞復(fù)數(shù)的規(guī)則變化1) 一般的名詞在詞尾加-Sstudents, apples, bags, trees, books, brothers. 2) 以s、x、sh、ch結(jié)尾的名詞加-esglasses, boxes, brushes, matches.3) 以輔音字母加y結(jié)尾的名詞，變y為i加es cities, babies, cherries，countries4) 以f或fe結(jié)尾的名詞，多數(shù)變f為v加es half-halves knife-knivesleaf-leaves wolf-wolves wife-wives life-lives thief-thieves； 5) 以o結(jié)尾的名詞，有些加es Negroes, heroes, tomatoes, potatoes（黑人英雄愛(ài)吃土豆和西紅柿），其它加s: radios, zoos, pianos, photos,二、名詞復(fù)數(shù)的不規(guī)則變化1)改變內(nèi)部的元音字母：foot feet, tooth teeth, mouse mice，man men, woman women2)單復(fù)數(shù)同形：sheep sheep, deer deer, Chinese Chinese, 3）加renchild children3）集體名詞， people ,class, police 等本身就是復(fù)數(shù)三、復(fù)數(shù)的發(fā)音一般情況 加 -s 清輔音后讀/s/ map-maps 濁輔音和元音后讀 /z/ bag-bags /car-cars 以s, sh, ch, x等結(jié)尾 加 -es 讀 /iz/ bus-buses/ watch-watches 以ce, se, ze,等結(jié)尾 加 -s 讀 /iz/ license-licenses 以輔音字母+y結(jié)尾 變y 為i再加es 讀 /z/ baby-babie名詞單數(shù)變復(fù)數(shù)測(cè)試題一: 名詞單數(shù)變復(fù)數(shù)填空1：orange text bed computer .apple house plane tree lesson shirt month 2：piano photo radio zoo tomato .potato 3：class fox watch glass dress c.brush box bus 4：shelf knife wife life .leaf thief 5：family country army .city story baby butterfly country 6：toy .play day key boy 二：把下列的單詞變?yōu)閺?fù)數(shù)形式key boy family case backpack dictionary watch computer game notebook bag math alarm video tape hat pear egg apple carrot vegetable star sock shirt shoe skirt sweater clerk store shop_三：句子單數(shù)變復(fù)數(shù)1：This is a book. . _2: That is an eraser. _3: It is a red apple. _4: I am a boy. _5: He / She is a teacher. _6: Whats this? _四：名詞復(fù)數(shù)變單數(shù)練習(xí)1：Those are my friends._2: They are English boys. _3: They are some erasers. _4: These are dictionaries. _5: we are students. _6: what color are your books ? _五：根據(jù)句意及所給單詞填空。1：_(this) are my English books.2: The two boys are my _(cousin)3: - _those your parents? -Yes, they _.4: -Who are the man and the woman in the picture? -They are my _父母.5: My aunt Jane and my mother are _.6: They are my _(姨)。7: I have two _(watch). They are on the desk.8: I have some _(photo) of my family.9: Do you like these _(d