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知识点梳理
（一）核心词汇
mine whose bike cat our banana their baby bag shirt jacket think new classmate clothes find help us him
常用词组
help sb do sth
（二）重点句子
-Is this your cap,Jane? -No, it’s not mine.
-Whose cap is it,then? -It’s Sally’s.
-Whose banana are these? -They’re their bananas/theirs.
I think it’s Kangkang’s/Li Ming’s.
We look the same, but we are in different clothes.
His pants are blue and mine are white.
This man is from Canada.
（三）交际用语
Guess！Who is he ?
Please help us find him.
（四）语法精粹
形容词性物主代词和名词性物主代词
They are our shoes. They are ours.
’s 表示名词的所有格 This is Li Ming’s shirt.
重点知识讲解
1．-Whose bike is this? 这是谁的自行车？
-It’s his bike./ It’s his.是他的（自行车）。
第一个his是形容词性物主代词，相当于形容词。置于名称之前，用来修饰，限定名词；第二个his等于his bike,是名词性物主代词，其后不加名词。如：
Our books are new.= The new books are ours.
His bag is green.=The green bag is his.
Their desks are all here.= The desk here are all theirs
2．–Whose cat is that?那只猫是谁的？
-It is her cat./It’s hers.是她的（猫）。
（1）whose 疑问代词，意为“谁的”，其后加名词，再加一般疑问句，或whose加一般疑问句。如：
Whose computer is that?= Whose is that computer?
那是谁的电脑？
（2）hers 为名词性物主代词，意为“她的（猫）”，其后不在加名词。
3．I think it’s Li Ming’s.我认为（想）是李明的。
（1）I think 可作为插入语，通常放在句尾或句首。
如：-What’s that? 那是什么？
- A plane, I think.我想是飞机。
（2）当不能简单的用Yes 或No回答的时候，可用I think 来表达。
如：-Can you spell it? 你会拼写（它）吗？-I think so.我想我会。
（3）Li Ming’s 是名词所有格，意为“李明的”。 名词所有格一般表示所有或所属关系，意为: “……的，在名词后加上’s.
如： Maria’s book is here.玛利亚的书在这里。
【拓展】1) 单数名词词尾加’s. 复数名词词尾没有s 的，也要加’s,表示所有格。
如：the boy’s food 男孩的食物 men’s room 男厕所
2）名词已有复数（即词尾已有s）,则只加“”，表示所有格。
如：a girls’ school 女子学校 Teachers’ day
3)如果两个名词并列并且分别有’s,则表示分别拥有；如果只是最后一个名词后有’s，则表示共有。
如：John’s and Mary’s room 约翰和玛丽各自的房间。（各有一个房间）John nd Mary’s room 约翰和玛丽共同的房间。（共有一个房间）
【链接】前面我们已经学习了加’s 的缩写形式。如：he’s, what’s, that’s 等。是所有格还是缩写形式必须根据具体的语境来判断。如： That’s a book.那是一本书。（that’s 是that is的缩写形式，意为“那是”。）
翻译短语。
1.玛利亚的书___________________
2.两位女教师______________________________
3.男式服装_____________________
4.吉姆和汤姆共有的房间_____________________________________
5.我妈妈的房间__________________________________________
4.We look the same, but we are in different clothes.我们看起来很像，但我们穿着不同的衣服。
Clothes总以复数形式出现，统称各种衣服，包括上衣、裤子、裙子、帽子和鞋等，不指单件衣服，也不和具体数字的数词连用。它作主语时，谓语用复数。如：My new clothes are from Guangdong. 我的新衣服产自广东。 Don’t judge a person by the clothes he wear. 不要以貌取人。
【链接】我们已学过关于服装的名词有：dress女服，连衣裙；cap 帽子；shoes 鞋，coat 外套，大衣；skirt 短裙； shirt(男士)衬衫； T-shirt T恤衫；pants裤子
5.This man is from Canada.这位男子来自加拿大。Man （男人）的复数形式是men; woman(女人)的复数形式是women,注意 women 的读音是/’wimin/.
【拓展】当man, woman 作定语修饰名词时，如果名词是复数，那么man 和 woman也用复数形式。如：men teachers 男教师， women doctors 女医生
6.Please help us find him.请帮我们找到他。
（1）注意此句中动词help的句型。“帮助某人做某事”可以是help sb do sth,也可以是help sb to do sth.或 help sb with sth. 如：She help me (to) learn English.=She helps me with my English.她帮我学英语。
（2）此句中的us, him分别是we,he 的宾格。动词和介词后面的人称代词要用宾格的形式，I can help him.我能帮助他。I go to school with her.我和她去上学。
例题讲解
1.用所给词的适当形式填空
⑴Whose dress is this? ------- It’s________ (I)
⑵This bike isn’t Mary’s.____ (she) is over there.(在那边)
⑶Are those ________ (you) apples?
⑷These are our oranges. Those are _______ (their).
⑸Those apples are not _______ (our).
⑹Mr.Gao is _______ (he) teacher.
2.句型转换
⑴ This is my book. That is yours. (同义句)
This is _______. That is _____ _______。
⑵They are Sally’s pants.(对划线部分提问)
_____ _______ are they?
⑶ Whose jacket is this ? (同义句)
_____ is ______ _______ ?
3.翻译
⑴ 这是谁的夹克？_________________________________
⑵这些书是你的吗？_________________________________
⑶A: What color is Kangkang’s T-shirt? ______________________
B: It’s blue and white. ____________________________
⑴ 棕色的头发 _____________
⑵ small eyes __________
⑶ 大嘴 __________
⑷ 帮助我们找他 _______________
⑸ He is in black. _______________________
当堂练习
1.句型转换
⑴ This big apple is my sister’s. (对划线部分提问)
_______ is this big apple?
⑵ This is my coat.(同义句)
The coat is _______ 。
⑶ Is that cat yours? (同义句)
Is that _____ ______ ?
⑷ Those toys are theirs. (同义句)
Those are ______ ________ .
⑸ I have a blue knife. He has a red knife.(同义句转换)
The blue knife _____ ______ and the red _____ is _____.
⑹ The bag under the tree is yours. (对划线部分提问)
______ ______the bag under the tree?
2.选择恰当的单词，并用其正确形式填空
look find give help come
1.The old man is very poor(可怜). Let us _____ him.
2. David Beckham _____ from England.
3. He ____ like his father.
4. These photos are ours. Please ____ them to us.
5. I can’t ____ my pen, Where is it?
3.根据句意及首字母填空。
⑴ I can’t f______ my pen. _______ you help me ?
⑵ Those photos are ours. Please give them to _____.
⑶ The boy is lost(迷路).The p______ can help them.
⑷ He is a good student. We like _____ very much.
作业题
1.用所给单词的正确形式填空。
⑴ This is not _____ book. _______ is new. (I)
⑵ A: Are these ______ pens? (you)
B: No, they are not _____(we). They are ______ (their).
⑶ A: Whose shirt is this ?
B: I think it’s ________ (Jane).
⑷ I have a friend. ____ name is Wang Mei. ___ is from Shandong. (she)
⑸ Please help us find _____.( he)
2.句型转换
⑴ These shoes are green. (对划线部分提问)
____ _____ are these shoes?
⑵ John is tall and strong. (对划线部分提问)
_____ ______ John _____ ______ ?
⑶ What color are these trousers?(用blue回答)
_____________________________________
⑷ This apple is red. (同义句)
This is a ______ _______ 。
⑸ This is my book. (对划线部分提问)
________________________
3.连词成句
1. are, whose , those , books.
2. mine, bike , is , the.
__________________________________________________
3. cat, black , Mr.Li’s , is , the.
________________________________________
4.句型转换
1. Is this apple Lily’s? (做肯定回答) _____,___ is Lily’s.
2. Those shoes are mine. (对划线部分提问)
_____________ shoes ______ those?
3. Whose T-shirt is this?
_________ ___________. (它是我的T恤衫)
5.翻译下列句子
⑴这是谁的帽子？____ ___ ___ ___?
⑵Is this cap yours?_____________________________
⑶它是我的。谢谢。__ ____ . ____ ______.
⑷你的自行车是白色的，我的是蓝色的。
_____ _____ _____ _____ , _____ _____ _____.
⑸ Whose bananas are these?
______________are__________ (我的香蕉)。
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