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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 a book.-They are books.Are they English books?Yes, they are.What are they?No, they arent.Are those oranges?They are apples.toysorangesapples-Whatre these ?-Theyre .mapsschoolbagskeys-Whatre those ?-Theyre
2、 .1b Complete the conversations and then practice with your partner.A: what are these? B: _ _ schoolbags. A: Thank you . B: Thats OK.A:_ _ _ ? B: They are books. A: Thanks . B: Youre welcome.A: Are those apples?B: _ _ _ ?A: What are they?B: They are _.A: Thanks.B: Youre welcome.A: Are _cakes?B: _ ,
3、_ _ .A: Thank you.B:_ _.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(desks, maps, pencils, teachers)( buses, boxes, watches )( family - families dictionary - dictionaries )区别 key keys boy - boys(二)不规则变化:3.单复数同形(不变): sheep(绵羊) deer(鹿) English(英国人) 1.man, woman men, womenChine
4、se(中国人) Japanese(日本人) 6. oo ee： foot(脚) tooth(牙齿) goose(鹅)5. 以 f / fe结尾的,变f为v, 再加es wife(妻子) knife (小刀) shelf (架子) leaf (叶子) wolf (狼)2. child（孩子） children（男人，妇女）pen desk key box knife card orange boy friend cars parent mother father sister brother son daughter cousin family child man pencils sheepss
5、s ses -knivess ss sss ssss sfamilies -children-men -sheepthis that I you he / she / it am / is thesethoseweyoutheyare 单数 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 watches dictionariesmen they parentsboys句子单数变复数1. This is a book. 2
6、. 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 apples.We are boys.They are teachers.Whatre these ?句型转换1.Whats this ? 复数Whatre these ?2.Hes a Chinese boy. 复数Theyre Chinese boys.5.These are oranges.单数一般疑问句,并作肯定回答This is a dictionary.Are these dictionaries ? Yes, they are.
