Unit 4 Where’s my schoolbag?Section A 1a-1c 公开课(41p)

Unit 4
Where’s my schoolbag?

学习目标:
1.能正确使用下列单词:
table, bed, bookcase, sofa, chair.
2.能够正确使用 where 引导的特殊疑问句。
3. 能够正确使用介词 in, on, under描述物品所在的位置。
4.掌握下列句型：
Where’s my schoolbag？It‘s under the table.
Where are my books？They’re on the sofa。
pencil box
telephone
schoolbag
baseball
watch
dictionary
eraser
notebook
ring



Where’s the pen?
It’s under the notebook.
Where’s the eraser?
It’s in the schoolbag.
Where’s the key?
It’s on the dictionary.
Where’s the baseball?

It’s on the notebook.
Where’s the clock?

It’s in the backpack.
Where are the books?

They’re under the dictionary
Where are the CDs?

They’re on the computer game.
Where are the baseballs?

They’re in the pencil case.
Where are the keys?

They’re on the bookcase.
Where are the rulers?

They’re in the schoolbag.
bookcase
sofa
chair
desk
bed
table
room
classroom
clock



Where’s the dictionary?
It’s on the chair.
It’s the table.
under
Where’s the dictionary?
Where’s the schoolbag?
It’s on the .
sofa
Where’s the book?
It’s in the bookcase.
Where’s the book?
It’s in the bookcase.
Where’re the books?
They’re in the bookcase.
where’re = where are
Where are the cats?
They are under the table.
Where’re the baseballs?
They’re under the bed.
schoolbags?
on
Where are my books?
They’re on the sofa.
Where’s my pencil box?
It’s in your schoolbag.
Where’s my computer game?
It’s under your bed.
A: Where’s the …?
B: It’s …
Where’s the pencil?
It’s in the pencil box.
…
…
…
…
…
…
Where are the …?
They are …
Where are the keys?
They are on the table.
…
1. on prep. 在……上
【语境领悟】
*They’re on the sofa.
它们在沙发上。
*It’s in your schoolbag.
它在你的书包里。
*It’s under your bed.
它在你的床底下。
Language points
【自主归纳】介词on的用法
　　on是介词, 意为“在……上”, 强调一物在另一物的表面上, 其反义词为under“在……下”。常见的词组有:
on the table/desk在桌子/书桌上
on the chair在椅子上
on the bed在床上
【妙辨异同】方位介词 in, on与under
in “在……里”
on “在……上”
under “在……下”
on 意为“在......上面”，指一个物体在另一个物体的上面，两个物体相互接触。
如：Mary’s schoolbag is on the big chair.
2. in意为“在......里面”，常指某人或某物在某范围空间里。
如：There’s a desk in my room.
3. under意为“在......下面”，指一个物体在
另一个物体的正下方。
如：Two boys are playing
under the tree.
【图解助记】
【学以致用】
—Where is the basketball?
—It’s　　　　　the floor (地板) , ____the bed.
A. on; on　　　　　　　　B. on; under
C. under; on D. under; under
Where’s the schoolbag? 书包在哪里?
【句型剖析】
(1) 这是由where引导的询问某物或某人在哪里的特殊疑问句, 其结构为: Where +be (is, are) +主语?
(2) 句中的be动词要由主语来确定, 当主语是第三人称单数时be动词用　　 , 当主语是第二人称或第三人称复数时, be动词用　　　 。
is
are
——Where + is +单数主语+...？
——It is+地点表语。
——Where + are +复数主语+...？
——They are +地点表语。
【归纳拓展】
where引导的特殊疑问句的答语
　　where引导的特殊疑问句的答语为“主语+be+表示位置关系的介词短语”。
——Where is your basketball?
你的篮球在哪里?
——It’s under the desk. 在书桌下面。
方位介词（in, on, under…）+名词
典例
（南宁中考改编）—Excuse me,_____?
— It's next to(紧邻）Wanda Cinema.
A. when is the movie on
B. what is your mother
C. who is the girl under the tree
D. where is the nearest bookshop
解析：
从答语“它紧挨着万达影院”可推断出，上句询问的是地点。故选D。
三、按要求转换句型。
1. The baseball is under the chair. (改成一般疑问句）
__ ___ ________ under the chair?
2. The keys are on the table. (改成一般疑问句）
____ ____ ____ on the table?
Is the baseball
Are the keys
3. Are the pencils in the backpack? (否定回答）
___, ____ _______.
4. The backpack is under the table. （对划线部分提问）
______ ___ the backpack?
No they aren’t
Where is