人教版七年级英语上册U.ppt

Unit 3 Is this your pencil？ Period 1 (1a-1c),-Whats this ? -Its a/an . Is this your? Yes ,it is. Its my,一、Lead-in(3),1.Whats this? Its a pencil. Is this your pencil? Yes, it is. Its my pencil.,2.Whats that ? Its an eraser. Is that your eraser? No, it isnt. Its her eraser.,3.Are these your dictionaries? No, they arent. Theyre his dictionaries.,= Its mine.,=Its hers.,=Theyre his.,1b,words,三、Discussion(9),Check your answers.,2. Make a conversation like this: Is this your? Yes, it is. Its mine. Is that your ? No, it isnt. Its his. Are these your? No, they arent. They re hers. （可以拓展）,四、Showtime(8),1.Show your answers.,2. Show your conversations.,1. 含有be动词的一般疑问句 含有be动词的一般疑问句是由be动词（am, is, are）+主语+其他成分+？”构成的，用来询问某事物或某种情况是否属实，需要对方做出肯定或否定回答的一种疑问句。回答时先说Yes或No，再给出简略回答。因此也叫Yes/No疑问句。,That is your ID card. They are teachers. I am at home.,五、Explanation(9),答语： 肯定回答：Yes，主语+be（am, is, are） 否定回答：No，主语+be （am, is, are）not.,1）.-Is he your brother? -Yes, he is./No, he isnt. 2）.-Are you a teacher? -Yes, I am./No, Im not.,注意：（1）在肯定的简略回答中，主语不能与be动词缩写在一起， （2）在否定的简略回答中，be动词常与not 缩写在一起。 （am 和not不能缩写） （3）两个缩写词不能同时使用。 They are not my ruler. 不能缩写成 Theyrent.,This,is,my,pencil.,Is,this,your,pencil?,含有be动词的陈述句变为一般疑问句的步骤,2.物主代词,形容词性物主代词,名词性物主代词,my your his her,mine yours his hers,物主代词是表示所有关系的词。 形容词性物主代词相当于形容词，后面要跟名词。 名词性物主代词相当于名词，后面不能再跟名词。,例如：1).This is my eraser. This eraser is mine.,后一句中的mine就相当于_.,2). That is her jacket. That jacket is hers.,此句中的hers就相当于_.,即：名词性物主代词相当于形容词性物主代词+名词。,2.物主代词,形容词性物主代词,名词性物主代词,2.物主代词,形容词性物主代词,名词性物主代词,2.物主代词,形容词性物主代词,名词性物主代词,形容词性物主代词,六、Self Check,用所给代词的适当形式填空，补全句子,This isnt _ (I) dictionary. _ (I) is white. _ (she) watch is red, and _ (he) is green. This book is _ (I), and that one is_(you). -Is this _ (you) book, Henry? -Yes, it is. 5. This is not_(he) ruler . I think it is (she).,my,Mine,Her,his,mine,yours,your,his,hers,单选 （ ）1. -Is this _ ruler? -No._ is over there. A. her, Her B. her, Hers C. hers, Hers D. hers, Her （ ） 2. -Is this _ notebook? -No, it isnt _. A. theirs, their B. hers, his C. your, mine D. your, my （ ）3. This is my book. are over there. A. Your B. Yours C. You D. Mine （ ）4. bag is new and is new, too. A. Your, he B.