2．当我们得到别人的帮助时，要及时表示谢意。如：
A: You must look after your clothes.
B: Yes, thank you, Mr. Mu.
背景材料分析
1．在英语当中，有一些词的用法和我们汉语的习惯是不同的，例如，我们汉语可说一条裤子，做为单数。而在英语当中，如trousers做主语，谓语必须用复数形式。
2．在英语里表示一家人可以在姓前面加the, 后面加family. 如the Green family. 除了这种表达方法之外，比较常用的还可表示为the Greens. 即在姓氏前面加the, 在后面加s.
形容词性物主代词和名词性物主代词用法上的区别
（1）形容词性物主代词相当于形容词，在句中只可作定语，修饰名词。如：Their teacher is Miss Gao.
（2）名词性物主代词相当于一个名词短语，在句中可作主语、宾语等成分。如：
This is your bike, mine is under the tree. （作主语）
这是你的自行车，我的在树下。
I like my pen, I don’t like hers（作宾语）
我喜欢我的钢笔，我不喜欢她的。
That bag isn’t mine, its yours. (作表语)
那个书包不是我的，是你的。
（3）名词性物主代词作主语时，谓语动词的单、复数形式取决于它所替代的名词的数。如：
My trousers are long, hers are short. 我的裤子长，她的裤子短。
Your school is big, ours is small. 你们的学校大，我们的学校小。
（4）形容词性物主代词不可单独使用，其后必须有被修饰的名词。如：
那是他的椅子，我的在那儿。
误 Thats his chair, my is over there.
正Thats his chair, mine is over there.
正Thats his chair, my chair is over there.
Whose用法
whose不等于whos。Whose是who的所有格形式，意为“谁的”，而whos是who is的缩略形式，意为“谁是”。但whose与whos同音，都读作[hu:z]。
whose在句中可作表语、定语等。如：
Whose is that computer? 那台电脑是谁的？（作表语）
Whose sweaters are these? 这些是谁的毛衣？（作定语）
whose用来对物主代词及名词所有格进行提问：
1．提问形容词性的物主代词。如：
These are my bananas. →Whose bananas are these?
2．提问名词性的物主代词。如：
That bedroom is mine. →Whose is that bedroom?
Hers are in the classroom. → Whose are in the classroom?
3．提问名词所有格（不包括of构成的所有格）。如：
Those are the twins’ bags. → Whose bags are those?
Toms mother is a good teacher. → Whose mother is a good teacher
课文“淘金”
1. clothes是穿在身上的各种服装的总称.包括上衣、裤子和内衣等。它不单指一件衣服，不能与数词连用，所以无单数形式。例如：
What color are your clothes? 你的衣服是什么颜色的？
2. trousers通常用作复数。trousers作主语时，谓语动词也用复数。要表示“一条裤子”可用a pair（双、对）of trousers，此时谓语动词用单数。
3. shoes常用作复数。用法同trousers，但也可以单数形式shoe出现，表示“一只鞋”。
4. the Green family指“格林一家”，表示“一家人”除此种表示方法外，还可表示为the Greens。
5. Whose 可针对my, your, our, their, Kates等形容词性物主代词提问，其语序为：
These are their sweaters. 这些是他们的运动衫。
Whose sweaters are these? 这些是谁的运动衫？
（针对定语提问）
whose 也可针对mine, yours, ours, theirs, Kates等名词性物主代词或名词所有格提问。
This shirt is his. 这件衬衫是他的。
Whose is this shirt? 这件衬衫是谁的？
（针对表语提问）
对画线部分提问
Those are her trousers.
Whose trousers are those? （提问表语的定语）
That cup is mine.
Whose is that cup?（提问表语）
Lesson 53-54 教学设计方案
Teaching Objects
1.Learn new words about clothes.
2.Teaching the expression of objects’ possession by using possessive pronouns.
Teaching Aids
objects, record, cards, clothes
Teaching Procedures
Step I Revision:
First revise the content about last unit, like ask and answer What color is your pencil-box? It is white. What color is your bag? It is black. What about your hat? It is black, too. The teacher can lead the Ss to the topic of this unit clothes.
Step II Presentation:
Go on with the question about color of the clothes, like ask the Ss What color is the dress by pointing to a picture of a dress, the Ss can answer the right color, and get the meaning of the word dress, other new words of clothes as sweater, shirt , skirt, blouse, trousers and gloves can also be taught in this way.
Step III Practice:
Let the students practice in pairs upon the easy sentence structure: What color is A’s sweater? It’s light brown. What color are B’s trousers? They are dark blue. Remind the students pay attention to the using of light and dark.
Step IV Act
Let the Ss act before the class about the color of their clothes, like Part 2, lesson 53 in pairs. Be sure they can use the possessives correctly, and encourage them as much as possible. In this way the Ss practice the new words and can keep them in mind easily at the same time.
Step V Presentation
The teacher practice with the Ss on dialogues first about clothes then discuss about the possession of the clothes like:
T: Hello A, what color is your shirt?
S: It’s white.
T: Then what color is B’s blouse?
S: It’s yellow.
T: Whose blouse is red?
S: C’s (blouse) is red…
And the other Ss begin to practice this dialogue in pairs, teacher can check them by acting in front of the class.
Step VI Presentation
After the practice of the key sentences, the teacher change the sentence Whose is this shirt into Whose shirt is this. Tell the Ss Whose can be either followed with a noun or nothing, but the meanings are the same, that is to say it is used first as an adjective or then a noun.
Step VII Listen, read and say
Play the tape about Part 2, make the Ss repeat and after that, let them answer some easy questions about the dialogues, like Whose is this shirt? Is it Li Lei’s? Whose shirt is this on earth? Be sure the Ss grasp the point view of the dialogue, and let them practise it in pairs, then get several groups of the Ss to act before the class. Encourage the Ss who act well.
Step VIII Listen, read and say
SB Page 67, Part 2, do the same as Step VII. Add a new content, that is the use of the phrase put … on, a noun can be use either before on or after on, but a pronoun can only be used before the word on
Step IX Practice and act
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