英语语法名词单数变复数PPT学习教案

1、会计学1英语语法名词单数变复数英语语法名词单数变复数-What are these?-Whats this?-Its a pen.-They are pens.第1页/共21页-What are those?-Whats that?-Its an English book.-They are English books.第2页/共21页bagswatchesorangespens-Whatre these ?-Theyre .第3页/共21页mapscaseskeys-Whatre those ?-Theyre .第4页/共21页名词单数变复数名词单数变复数( (一一) )规则变化规则变化:

2、:1.1.加加s s 2.2.加加s, x, ch, shs, x, ch, sh结尾的名词加结尾的名词加eses3.3.以辅音字母加以辅音字母加y y结尾的名词结尾的名词, ,先改先改y y为为i, i, 再加再加eses (mothers, fathers, sisters, brothers)( buses, boxes, watches )( family - families dictionary - dictionaries ) 区别区别 key keys boy - boys第5页/共21页( (二二) )不规则变化不规则变化: :4.单复数同形单复数同形(不变不变): shee

3、p(绵羊绵羊) deer(鹿鹿) fish(鱼鱼) 2.man, woman men, women1.加加es:potatoes (土豆土豆) tomatoes (西红柿西红柿)Chinese(中国人中国人) Japanese(日本人日本人) 6. oo ee： foot(脚脚) tooth(牙齿牙齿) goose(鹅鹅)5. 以以 f / fe结尾的结尾的,变变f为为v, 再加再加eswife(妻子妻子) knife (小刀小刀) shelf (架子架子) leaf (叶子叶子) wolf (狼狼)3. child（孩子）孩子） children（男人，妇女）男人，妇女）第6页/共21页名词

4、单数变复数后名词单数变复数后s / es 的读音的读音1.在清辅音后读在清辅音后读 / s /2.在元音和浊辅音后读在元音和浊辅音后读 / z /3.在在/ s / / z / / / / / t / / d /后后 读读 / iz /4.在在/ t /后读后读/ ts /，在在 / d /后读后读 / dz /desks mapsbrothers pensclasses, watches, orangescats, friends 第7页/共21页pen desk key box knife card orange boy friend parent mother father sister

5、 brother son daughter cousin family child man pencil case sheepssssesknivessssssssssssfamilieschildrenmenssheep第8页/共21页句子单数变复数句子单数变复数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 ? These are books.Those are erasers.They are red app

6、les.We are boys.They are teachers.Whatre these ?第9页/共21页this that I you he / she / it am / is thesethoseweyoutheyare 单数单数 复数复数第10页/共21页一、写出下列单词的复数一、写出下列单词的复数1. I- 2.am- 3.he 4.pencil- 5.watch- 6.dictionary- 7. man- 8.it- 9. parent - 10.boy wearetheypencils watchesdictionaries men they parentsboys第11

7、页/共21页二、句型转换二、句型转换1.This is my mother. 1）变否定句）变否定句 2）变一般疑问句，并作肯定回答）变一般疑问句，并作肯定回答This is not my mother.Is this your mother ?Yes, it / she is.第12页/共21页2.That is a car.1）变否定句）变否定句 2）划线提问）划线提问3) 变复数句变复数句That is not a car.Whats that?Those are cars.第13页/共21页3.Thats an English dictionary.1）变否定句）变否定句 2）变一般疑

8、问句，并作否定回答）变一般疑问句，并作否定回答Thats not an English dictionary.Is that an English dictionary?No, it isnt.第14页/共21页4.Her family names Smith.5.My jacket is light blue.6. is, that, brother, my, Dave 组词组词成句成句划线提问划线提问划线提问划线提问Whats her family name?What color is your jacket?That is my brother , Dave.第15页/共21页句型转换句

9、型转换1.1.WhatWhats this ? s this ? 复数复数 Whatre these ?2.He2.Hes a Chinese boy. s a Chinese boy. 复数复数Theyre Chinese boys.第16页/共21页 3.This is a bike. 3.This is a bike. 否定句否定句复数句复数句一般疑问句，并作肯定回答一般疑问句，并作肯定回答This is not a bike.These are bikes.Is this a bike ?Yes, it is.第17页/共21页4.4.That is my brother.That is my brother. 否定句否定句一般疑问句，并作否定回答一般疑问句，并作否定回答That is not my brother.Is that your brother ?No, it / he isnt.第18页/共21页5.5.These are These are dictionari