新目标英语七年级上册名词单数变复数

1、名词单数变复数-What are these?-Whats this?-Its a pen.-They are pens.-What are those?-Whats that?-Its an English book.-They are English books.backpackswatchesorangespens-Whatre these ?-Theyre .mapscaseskeys-Whatre those ?-Theyre .名词单数变复数(一)规则变化:1.加s 2.加s, x, ch, sh结尾的名词加es3.以辅音字母加y结尾的名词,先改y为i, 再加es (mothers

2、, fathers, sisters, brothers)( buses, boxes, watches )( family - families dictionary - dictionaries ) 区别 key keys boy - boys(二)不规则变化:4.单复数同形(不变): sheep(绵羊) deer(鹿) fish(鱼) 2.man, woman men, women1.加es:potatoes (土豆) tomatoes (西红柿)Chinese(中国人) Japanese(日本人) 6. oo ee： foot(脚) tooth(牙齿) goose(鹅)5. 以 f /

3、 fe结尾的,变f为v, 再加eswife(妻子) knife (小刀) shelf (架子) leaf (叶子) wolf (狼)3. child（孩子） children（男人，妇女）名词单数变复数后s / es 的读音1.在清辅音后读 / s /2.在元音和浊辅音后读 / z /3.在/ s / / z / / / / / t / / d /后 读 / iz /4.在/ t /后读/ ts /，在 / d /后读 / dz /desks mapsbrothers pensclasses, watches, orangescats, friends pen desk key box kni

4、fe card orange boy friend parent mother father sister brother son daughter cousin family child man pencil case sheepssssesknivessssssssssssfamilieschildrenmenssheep句子单数变复数This is a book. That is an eraser.It is a red apple. I am a boy.He / She is a teacher.Whats this ? These are books.Those are eras

5、ers.They are red apples.We are boys.They are teachers.Whatre these ?this that I you he / she / it am / is thesethoseweyoutheyare 单数 复数一、写出下列单词的复数I- 2.am- 3.he 4.pencil- 5.watch- 6.dictionary- 7. man- 8.it- 9. parent - 10.boy wearetheypencils watchesdictionaries men they parentsboys二、句型转换1.This is my

6、 mother. 1）变否定句 2）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.2.That is a car.1）变否定句 2）划线提问3) 变复数句That is not a car.Whats that?Those are cars.3.Thats an English dictionary.1）变否定句 2）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.4.H

7、er family names Smith.5.My jacket is light blue.6. is, that, brother, my, Dave 组词成句划线提问划线提问Whats her family name?What color is your jacket?That is my brother , Dave.句型转换1.Whats this ? 复数 Whatre these ?2.Hes a Chinese boy. 复数Theyre Chinese boys. 3.This is a bike. 否定句复数句一般疑问句，并作肯定回答This is not a bike.These are bikes.Is this a bike ?Yes, it is.4.That is my brother. 否定句一般疑问句，并作否定回答That is not my brother.Is that your brother ?No, it / he isnt.5.