人教版七年级英语上册《Where's my schoolbag?》SectionA PPT课件(第2课时)，共16页。
Warming up
Please make conversations according to the pictures.
Grammar Focus
Where's the map?
It's in your grandparents' room.
Where are my books?
They're on the sofa.
Where's his pencil box?
It's in his schoolbag.
Where's your ruler?
It's under the chair.
Where are their keys?
They're on the table.
Student A, look at the picture on page 19. Student B, look at the picture on the right. Ask and answer questions to find the differences.
A: Where's the schoolbag? Is it under the table?
B: No, it isn't. It's on the table.
语法拓展
一、where引导的特殊疑问句
1.用法：该特殊疑问句用来询问人或物所在的位置，其结构为“where is +单数名词？”或“where are+复数名词？”。也就是说where后面be动词是用is还是are取决于be动词后面的名词或代词的单复数。单数用is,复数用are。
Where’s my hat?
Where are your parents?
2.答语：where引导的特殊疑问句答语有以下三种形式。
（1）用It’s+介词短语（对应Where is...?）或They’re+介词短语（对应Where are...?）。
—Where’s my hat?
—It’s on your head?
（2）可直接回答物品所在地点，省略it’s或they’re。
—Where are your parents?
—(They are) In the room.
（3）当你不知道在哪里，可用“I don’t know”来回答，意为“我不知道”。
—Where’s my bag?
—I don’t know.
注意：don’t=do not,其中do是助动词，当主语为第三人称单数时，助动词应用does,与not缩写为doesn’t。
She doesn’t know.
二、介词in,on与under的用法
1.in意为“在……里面，在……内”通常表示在某一空间里。
My ring is in the bag.
【拓展】in还可以表示地点、在某年、月、世纪、早上、晚上等及使用什么语言。
如：in Wuhan；in the morning；in 2014；in English
2.on意为“在……上面”，表示物体间有面的直接接触。
A cup is on the desk.
【拓展】on也可表示时间（后接具体某一天）。如：on Monday在星期一
3.under意为“在……下面”。
如：under the desk在课桌下
Homework
1.Read the tape script of Activity 2a and 2b.
2.Recite Grammar Focus.
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