Unit2 This is my sister.
单词
sister /'sistə/ n. 姐；妹
mother /'mʌðə/ n. 母亲；妈妈
father /'fa:ðə/ n. 父亲；爸爸
parent /'peərənt/ n. 父（母）亲
brother /'brʌðə/ n. 兄；弟
grandmother /'grænmʌðə/ n.祖母；奶奶
grandfather /'grænfa:ðə/ n. 祖父；爷爷； 
grandparent/'grænpeərənt/ n.祖父（母）；
cousin /'kʌzn/ n. 堂兄（弟、姐、妹）；表兄
grandpa /'grænpa:/ n.（外）祖父；爷爷；外公
mom /mɔm/, /ma:m/ n. (=mum)妈妈
aunt /a:nt/ n. 姑母；姨母；伯母；婶母；舅母
grandma /'grænma:/ n.祖母；奶奶；外婆；
dad /dæd/ n. 爸爸
uncle /'ʌŋkl/ n. 舅父；叔父；伯父；姑父；
daughter /'dɔ:tə/ n. 女儿
son /sʌn/ n. 儿子
family /'fæməli/ n. 家；家庭
here /hiə/ adv. (用以介绍人或物)这就是；
在这里
photo /'fəutəu/ n. 照片
of /ɔv, əv/ prep. 属于(人或物)；关于(人或物)
next /nekst/ adj.&n. 下一个（的）；接下来（的）
picture /'piktʃə/ n. 照片；图画
girl /gə:l/ n. 女孩
dog /dɔg/ n. 狗
who /hu:/ pron. 谁；什么人
these /ði:z/ pron. 这些
they /ðei/ pron. 他（她、它）们
well /wel/ interj. 嗯；好吧
have /hæv/ v. 经受；经历
Have a good day! (表示祝愿)过得愉快！
bye /bai/ interj. (=goodbye)再见
those /ðəuz/ pron. 那些

短语
have a good time 过得愉快
a photo of my family 一张我的家庭照片
family tree 家谱
in the first shop 在第一张照片里
in the next picture 在下一张照片里
the name of my dog 我的狗的名字

two nice photos of my family我的两张漂亮的家庭照片 You, too. 你也是。

句型
This is my sister Kate. 这是我的妹妹凯特。
That is my grandfather. 那是我的爷爷。
These are my brothers. 这些是我的兄弟。
Those are my parents. 那些事我的父母。
Here are two nice photos of my family. 这是我的两张漂亮的家庭照片。
Here is a photo of my family. 这是我的全家福照片。
Who’s she? 她是谁啊？
—Is he your father? 她是你的爸爸吗？
—No, he isn’t. He is my uncle. 不，他不是。她是我叔叔。
9. —Are those your parents? 那是你的父母吗？—Yes, they are.是的，他们是。
语法
（一）指示代词：this,that,these,those
1. this和these指说话人较近的人或物，that和those指说话人较远的人或物．
this和that指单数，连系动词be动词用单数形式is,同时后面的名词用单数形式；
This is a computer. 这厮一台电脑。（在近处）
These are books. 这些是书。（在近处）
That is a bike. 那是一辆自行车。（在远处）
Those are cars. 那些事小汽车。 （在远处）
在回答主语this或that的一般疑问句或特殊疑问句时，在答语中用it代替句中this或that；
在回答主语these或those的一般疑问句或特殊疑问句时，在答语中用they代替句中these或those。
Is this/that a car? 这厮一辆小汽车吗？—Yes, it is. /No, it isn’t.
Are those your family? 那些是你的家人吗？— Yes, they are.
在介绍某人时，用this或that，而不用he或she。
This is Liu Mei. That is Han Ying. 这位是刘梅，那位是韩英。
打电话时，说自己是谁用This is...，问别人是谁用Who’s that?
—Hello, is that Wei hua? —No, that is Lucy. 不是，我是Lucy.
陈述放在一起的两样东西时，应先说this,后说that; 多样东西放在一起陈述时，先用these，后用those.
This is a book. That is a pen. 这是一本书，那是一支笔。
These are pencils. Those are bags. 这些是铅笔，那些是包。
测试题
写出下列单词的复数形式、1．this ________ 2. that __________ 3. it_______ 4. he_________5. brother ______ 6. friend ________ 7. box___________8. watch ________ 9. family______ 10. boy______二. 单项选择：（20分）( ) 1. Thanks ______your birthday presents. A. of B. from C. for D. to( ) 2. -Is Ann a student or a teacher? _________ . A. Yes, she is a student B. She’s pupil C. She’s a teacher D. Yes, she’s a teacher( ) 3.______ are my sisters. A. This B. That C. She D. These( ) 4. Jim and Tim are good _________ . A. brother B. friend C. friends D. brother and sister
( ) 5. -Are those cars? -Yes,_______. A. they are B. those are C. they’re D. these are( ) 6. Is this a picture your family?　　A. in B. of C. at D. for( ) 7. That is a woman. is our English teacher.　　A. He B. I C. She D. You( ) 8. My grandmother has(有) eight .　　A. parent B. daughter C. parents D. sons( ) 9. Those my .　　A. are; cousins B. is; brother　　C. are; cousin D. is; brothers( ) 10.- Is she your aunt?____________.　　A. She’s my aunt B. Yes, she is C. No, she is D. Yes, she’s( ) 11. His mother’s is his grandmother.　　A. grandfather B. grandmother　 C. grandparents D. mother( ) 12. Is your brother?　　A. the boy B. a boy C. the girl D. a girl( ) 13. My uncle and aunt teachers.　　A. is B. are C. am D. be( ) 14. This is family photo.　　A. Kay’ B. Kay’s C. of Kay D. of Kay’s( ) 15. Here is my family.　　A. a photo of B. photo of C. a photo at D. photo at( ) 16. This is my uncle this is my aunt.　　A. and B. but C. in D. on( ) 17. I know your brother. Name is Tom.　　A. Her B. Your C. My D. His( ) 18. Jim, my friend, his brother.　　A. are B. is C. am D. do( ) 19. Is this your father? Yes, is .　　A. this B. that C. he D. it三. 句型转换（5分）1. This is my cousin. (改为复数形式) my cousins.2. Those are his parents. ( 改为一般疑问句) his parents?3. He is Dave. (改为否定句) He Dave.4. Is Anna your sister? (做出否定回答) _______________________（二）名词复数

1.规则变化
词性特点




大多数可数名词
在词尾加-s.
book— books dog — dogs
tree — trees
在浊辅音和元音后面读[z],在清辅音后面读[s]

以s,sh,ch,x结尾的名词
在词尾加-es
glass — glasses
watch — watches 
读[iz]

以o结尾的名词
加-es或加-s.
tomato — tomatoes potato — potatoes photo — photos
读[z]

以f 或fe 结尾的名词
先把f 改为v,再加–es
knife — knives
leaf — leaves
thief — thieves
读[vz]

以辅音字母加y 结尾名词
先把y 改为i,再加-es
story — stories
city — cities baby — babies 注意：boy — boys toy — toys
key — keys
读[z]

不规则变化
man — men 男人 woman — women 妇女 tooth — teeth 牙齿 foot — feet 脚有些名词的单复数形式相同deer — deer 鹿 sheep — sheep绵羊Chinese — Chinese 中国人 Japanese — Japanese 日本人3.注意
1) 有些学科名词虽以s 结尾,但通常都做单数名词看待.例如：physics 物理 maths 数学 politics 政治 news 新闻2) 有些单数形式的名词具有复数的含义,要当作复数看待.例如：people 人们,人民 police 警察 public 公众
3) b表示由两部分构成的事物，如：glasses眼镜，trousers裤子，clothes衣服等，若表达具体数目，要借助量词 pair对/双，suit套等。
This pair of glasses is mine. 这副眼镜是我的。
My glasses are expensive. 我的眼镜很贵的。
单数句变复数句的规则
I am a student. → We are students.
This is a nice key. →These are nice keys.
What’s that? →What are those?.
练习：
一、根据句意及所给单词填空。
1. ________(this) are my English books.
2. My aunt Jane and my mother are ___________.
3. I have two ___________(watch). They are on the desk.
4. I have some __________(photo) of my family.
5. Do you like these ____________(dictionary)?
6. Are those your _________(bus)?
二、单项选择
1．I can see three ________ in the zoo.
A monkeys    B monkeys    C monkey
2.The pig has four ______.　A. foot　 B. feet 　C. foots
3.My two brothers are both ______.
A. policeman　 B. policemans　 C. policemen
4.There are four ___________ in the class.　A. Japanese　 B. Japaneses　 C. Japan5.I can see ten _____ in the picture.　A. sheep　 B. dog 　C. pig