《可数名词变复数的变化规则》

可数名词变复数的变化规则导学案名词在英语学习中是非常重要的，它分为可数名词和不可数名词。不可数名词可以简单地理解为无法用数计算的名词，比如肉类meat、chicken等,液体water，juice，orange，milk等。可数名词分单数和复数，单数常和a, an, the冠词连用，如 a dog, an apple, 但是可数名词变复数是同学们在学习时接触过的语法现象，也是比较难以掌握的，同时也是每次考试涉及到的重要知识点，本节课我们一起总结可数名词变复数的规则。一、名词复数的规则变化1) 一般的名词在词尾加-Sstudents, apples, bags, trees, books, brothers. 2) 以s、x、sh、ch结尾的名词加-esglasses, boxes, brushes, matches.3) 以辅音字母加y结尾的名词，变y为i加es cities, babies, cherries，countries4) 以f或fe结尾的名词，多数变f为v加es half-halves knife-knivesleaf-leaves wolf-wolves wife-wives life-lives thief-thieves； 5) 以o结尾的名词，有些加es Negroes, heroes, tomatoes, potatoes（黑人英雄爱吃土豆和西红柿），其它加s: radios, zoos, pianos, photos,二、名词复数的不规则变化1)改变内部的元音字母：foot feet, tooth teeth, mouse mice，man men, woman women2)单复数同形：sheep sheep, deer deer, Chinese Chinese, 3）加renchild children3）集体名词， people ,class, police 等本身就是复数三、复数的发音一般情况 加 -s 清辅音后读/s/ map-maps 浊辅音和元音后读 /z/ bag-bags /car-cars 以s, sh, ch, x等结尾 加 -es 读 /iz/ bus-buses/ watch-watches 以ce, se, ze,等结尾 加 -s 读 /iz/ license-licenses 以辅音字母+y结尾 变y 为i再加es 读 /z/ baby-babie名词单数变复数测试题一: 名词单数变复数填空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：把下列的单词变为复数形式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：句子单数变复数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：名词复数变单数练习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：根据句意及所给单词填空。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 _.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