人教版七年级英语上册U(1).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),Its an eraser. Its her eraser. Its hers. (hers= her eraser),Its a pencil box.,Its my pencil box.,Its mine.,mine = my pencil box,Its a pencil. Its your pencil. Its yours.,yours=your pencil,Its a schoolbag. Its his schoolbag. Its his. (his=his schoolbag),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,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 no