Unit 2 知识总结 人教版七年级英语上册
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Unit 2 This is my sister.
Language Goals(语言目标):①Introduce people. (介绍他人)
②Identify people.(辨认人物)
Lesson 1 (Page 7)
一.认识家庭成员及称呼。
二.句型:
1. This is my friend Jane.
That’s my grandfather.
2. These are my brothers.
Those are my parents.
3. ① -Who’s he?
-He’s my brother.
② -Who’s she?
-She’s my cousin Jane.
试着翻译:“那个男孩是谁?”
4. -Who are they?
-They are my grandparents.
试着翻译:“这些男孩是谁?”
三.对话。
A: Cindy, is this your family photo?
B: Yes, it is, Alan.
A: You have a big family. Are these your parents?
B: Yes, they are. This is my mother, Jenny, and this is my father, Tom.
A: Oh, who’s she?
B: She’s my sister, Mary.
A: Who’re they?
B: They’re my grandparents, Linda and Bob.
A: And who’s the boy?
B: He’s my brother, Jack.
四.语法:可数名词的复数
可数名词的单数变复数的规则
1. 一般情况在名词后加-s.
e.g. book----books, pen----pens, sister----sisters
2. 以s, x, sh, ch结尾的名词,在后面加-es.
e.g. class----classes, box----boxes, watch----watches, dish----dishes。
3. 以辅音字母+y结尾的名词,改y为i,然后再加-es。
e.g. baby----babies, family----families,party----parties, dictionary----dictionaries 4. 部分以f或fe结尾的名词, 把f或fe改为v, 再加-es。
e.g. knife----knives, wife----wives
5. 以o结尾的名词,一般情况下有生命的加-es,无生命的加-s.
tomato---tomatoes, potato---potatoes. photo---photos , radio---radios,
★ 还有少数名词的单数变复数时没有规则的。
man-----men(男人),woman-----women(女人),foot-----feet(脚),tooth-----teeth(牙齿),
child-----children(孩子),sheep-----sheep(绵羊),Chinese-----Chinese(中国人),Japanese-----Japanese(日本人)
练习:将下列名词变成复数。
1. watch_________ 2. boy _______ 3. photo_______ 4.
key_______ 5. bus________
6. child__________ 7. zoo(动物园)__________ 8. case_________ 9.
thief________________
★ 单数句子和复数句子的相互转换。
单数 复数
am/is are
I we
he/she/it they
this these
that those
例题1:将下列单数句子变为复数句子。
1. I am a Chinese boy.
2. This is a big box.
3. That’s my cousin.
4. It is an English book.
5. She is Tom’s sister.
例题2:将下列复数句子变为单数句子。(一空一词)
1. They are orange jacket. __________ ___________ ____________
_______________.
2. Those are black watches. __________ ____________ _____________
_______________.
3. These are my pencils. _________ __________ ___________ ______________.
4. They are English boys. __________ __________ ____________ ___________.
5. We are teachers. __________ ____________ _________________.
Lesson 2 (Page 8-9) 一. 重点句型。
1. -Are these your parents?
-Yes, they are. / No, they aren’t.
2. -Are those your cousins?
-Yes, they are. / No, they aren’t.
3. Oh, I see. 哦,我明白了。
see v.(动词) 看见;明白
e.g. -What can you see in the picture?
-I can see a cat in the picture.
e.g. I can’t see why he is not friendly to me.
4. -Well, have a good day!
-Thanks! You, too. =(Have a good day, too).
have a good day!用于表达祝愿,祝愿对方一天里有好的心情和运气。类似的祝福语还有:
have a good morning/ afternoon/ evening
have a good time
e.g. Have a good evening, you two! (祝你们俩晚上玩个痛快!)
二. 语法。
语法一:肯定句变否定句和一般疑问句。
★肯定句变否定句在be动词后加not。
1. I am Mike.(肯定句)
I’m not Mike. (否定句)
2. Tom and Mary are good friends. (肯定句)
Tom and Mary aren’t good friends. (否定句) are not =aren’t
3. Eric is an English boy. (肯定句)
Eric isn’t an English boy. (否定句) isn’t =is not
★ 肯定句变一般疑问句时,将be动词提到句首,并将第一人称变为相应的第二人称。
my(我的)/ our(我们的)---------your(你的 /你们的), I ----you
1. Lucy is my sister. (肯定句)
Is Lucy your sister? (一般疑问句)
2. Tom and Mary are good friends. (肯定句)
Are Tom and Mary good friends? (一般疑问句)
3. I am Mike.(肯定句)
Are you Mike? (一般疑问句)
4. We are in No. 3 Middle School. (肯定句)
Are you in No. 3 Middle School? (一般疑问句)
语法二:一般疑问句及其回答。
人称代词的主格
I
(我) you (你,你们) he
(他) she
(她) it
(它) we
(我们) they
(他们)
一般疑问句:以yes或no回答的问句叫一般疑问句,翻译为“…吗?”
例1 :Tom 是你的哥哥吗?
-Is Tom your brother? (一般疑问句)
-Yes, he is. (肯定回答)
-No, he isn’t. (否定回答)
例2: Lucy 是你的妹妹吗?
一般疑问句:
肯定回答:
否定回答:
例3:这是你的铅笔吗?
一般疑问句:
肯定回答:
否定回答:
例4:Tom 和 Mike 是弟兄吗?
一般疑问句:
肯定回答:
否定回答:
例5:你是Tom的妹妹吗?
一般疑问句:
肯定回答:
否定回答:
例6:那是你的父母吗?
一般疑问句:
肯定回答: 否定回答:
例7:你们是好朋友吗?
一般疑问句:
肯定回答:
否定回答:
练习一:将下列句子变成一般疑问句并进行肯定和否定回答。
1. My parents are in China now.
2. I’m in Class 4, Grade 7.
3. We are in the same class.
4. Tom and Mary are good friends.
5. Tom’s mother is a teacher.
6.Tom’s pen is here.
7. Her friends are in the school.
8. Mary’s father is friendly.