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1、Unit 4Wheres my schoolbag?,第一课时Section A (1a1c),where的用法：where意为“在哪里”，作疑问副词，可引导特殊疑问句，用来询问地点、位置、处所，句型结构为：Wherebe动词主语(人或物)？意为“某人或某物在哪儿？”，如果主语是单数，be动词用is，主语是复数时，be动词用are，where和are一般不缩写，此句型不用yes或no来回答，而要根据实际情况来回答，并用人称代词he/she/it/they来代替问句中的主语。如：Where is my key？我的钥匙在哪儿？Its on the desk.在书桌上。,Its under you
2、r bed.它在你的床下面。Its in your schoolbag.它在你的书包里。Theyre on the sofa.它们在沙发上。这些句子中包含了介词under，in，on，它们的用法如下：under意为“在下面”，指一个物体在另一个物体正下方，两物体不接触。in意为“在里面”，常指某人/物在某范围空间里。on意为“在上面”，指两个物体相互接触。它们常用来构成介词短语，表示“某物在某地”。句型结构为：主语be动词介词短语某地。,一、根据句意及图片提示填写单词。1Where is the _？2My jacket is on my _.3Whats this in English?It
3、s a _.4His books are _ the bookcase.5Alices schoolbag is _ the sofa.,chair,bed,table,in,on,二、用方框中所给单词的适当形式填空。6My book is _ the chair.7Your pen is on the _8_ are your books?They are on the desk.9Is this your dictionary?No，it isnt.Its _10Wheres my pencil box?_ in your schoolbag.,under,sofa,Where,hers,
4、Its,三、根据短文内容和所给中文提示，在空白处写出单词的正确形式。每空限填一词。 This is the bedroom (卧室) of Alan. Its very nice. There are 11._ (一些) pictures on the wall. There is a 12._ (套)of keys and a 13._ (词典) on the desk. His schoolbag is on the 14._ (椅子). His baseball is 15._ (在下面) the bed. 16._ (在哪里) are his toys 17._ (和) books? Oh, 18._ (他们) are in the desk.,some,set,dictionary,chair,under,Where,and,they,