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1、Unit3语法篇 _1.熟练掌握含有be动词的一般疑问句的用法2.熟练掌握名词性物主代词的用法一、含有be动词的一般疑问句1. 将含有be动词的陈述句转换为一般疑问句将be动词提到句首，首字母大写，句末用问号，句子就变成了一般疑问句。如果原来句中的主语是I，变为一般疑问句要改为you；原来句中有形容词性物主代词my，变为一般疑问句时要改为your。I am Zhang Yang. Are you Zhang Yang?That is my bike. Is that your bike?2. 含有be动词的一般疑问句的肯定回答和否定回答肯定回答：Yes, 主语+be（am, is, are）.
2、否定回答：No, 主语+be（am, is, are）not.3. Is this/that?结构的一般疑问句的答语要用Yes, it is.或No, it isnt.而不用Yes, this/that is.或No, this/that isnt。另外，Are these/those ? 结构的一般疑问句的答语要用Yes, they are.或No, they arent.而不用Yes, these/those are.或No, these/those arent. Is that your ruler? 那是你的尺子吗？Yes, it is./No, it isnt. 是的，它是。/不，它
3、不是。Are those his dictionaries? 那些是他的词典吗？Yes, they are./No, they arent. 是的，它们是。/不，它们不是。二、名词性物主代词1. 英语中的物主代词分为形容词性物主代词和名词性物主代词，其中名词性物主代词起名词的作用。单复数单数复数人称第一人称第二人称第三人称第一人称第二人称第三人称名词性物主代词mine我的yours你的his他的hers她的its它的ours我们的yours你们的theirs他/她/它们的2. 名词性物主代词在句中独立使用，其后不接名词；名词性物主代词相当于“形容词性物主代词+名词”。Look at the t
4、wo pencils. The blue one is yours and the green one is mine.看这两只铅笔，蓝色的是你的，绿色的是我的。3. 名词性物主代词用作主语时，谓语动词的数应随所指者的数而定。 Is this ruler yours or hers? Its mine. Hers is in her bag.(Hers=her ruler) Whose books are these? They are his. Yours are over there.(Yours=Your books)单项选择1.（2015河北涉县索堡中学期中）This isnt pen
5、cil. is in my pencil box.A. my, Mine B. mine, MyC. my, MyD. mine, Mine2.（2015浙江金华新世纪学校期中）-Are those your boxes?-.A. Yes, they arent B. No, these arentC. No, they arentD. Yes, these are3.（湖南中考模拟）-Is that your schoolbag?-. Its his schoolbag.A. Yes, it is B. Yes, it is a schoolbagC. No, it isntD. No, i
6、t isnt s schoolbag4.（浙江宁波中考改编）-Is this your notebook?-No, it isnt. Ask Bill. He is looking for(在寻找).A. mine B. yoursC. hersD. his5.（2014甘肃白银中考）Mr. Black is a teacher of . She and her classmates like him very much.A. my sister B. my sistersC. my sistersD. my sisters6.（宁夏银川中考模拟）-Is this his ruler?-, i
7、ts my ruler.A. Yes B. NoC. NotD. Dont7.（2014四川成都中考）Alice has a red pen, and the blue one is , too.A. his B. herC. hers解析及答案：1. 第一个空格后有名词pencil，说明缺少限定成分，用形容词性物主代词；第二句缺少主语，名词性物主代词可以作主语。故答案为A。2. 问句主语是复数形式，答语的主语必须是they，be动词用are。排除B、D。选项A自相矛盾，不符合一般疑问句的回答习惯。因此选。3. 含有be动词的一般疑问句常用“Yes，主语+be.”或“No，主语+be+ not
8、.”来简略回答。由答语第二句“它是他的书包”可知做否定回答，故选C。4. 句意：“这是你的笔记本吗？”“不，他不是。问问比尔。她正在找。”根据语境可知“比尔正在找他的（笔记本）”，故选D。5. 句意：布莱克先生是我姐姐的一个老师。她和她的同学都非常喜欢她。由此可知，此处为单数名词my sister的所有格，直接在词尾加s。故选B。6. 由句中的his和答语中的my可知应做否定回答。Is this.?的否定回答只能用no；not不能单独使用；dont不能对be动词进行否定。故选B。7. 句意：爱丽丝有一支红色的钢笔，那支蓝色钢笔也是她的。Alice是女名，可排除his，空格后无名词，应用名词性物
9、主代词作表语，故选C。基础演练一、适当形式填空(单句适当形式)1. Pauls jacket is black. What about _ (you)？2. Is that _ (she) pencil box? Yes, its _ (her). 3. _ (he) name is Dale. _ (he) is a teacher.4. Is this _ (you) dog?No, _ (my) is white.5. Are these _ (you) pens?Yes, they are _ (ours) books.答案：1. yours2. her; hers3. His; He
10、4. your; mine5. your; our二、连词成句1. is , my , this, jacket, lost._ .2. is , it ,his , not, notebook._ .3. that, your, game, is, computer, the, in ,lost, found, and, case._?答案：1.This is my lost jacket. 2.It is not his notebook.3.Is that your computer game in the lost and found case? 巩固提高三、翻译(根据中文提示完成句子
11、) 1. 那是你的书包吗？是的。 _ _ your notebook?Yes, _ _.2. 这些是琳达的书吗？_ these _ books?3. 他的橡皮是什么颜色？_ _ _ his eraser?4. 他是玛丽的爸爸吗？不，他不是。 _ _ Marys father?No, _ _.5. 那个盒子不是他的。 That box _ _. 答案：1. Is that; it is2. Are; Lindas3. What color is 4. Is he; he isnt 5. isnt his 21cnjycom四、按要求转换句型1. These books are his. (改为一
12、般疑问句) these books ?2. This is my pencil box. (改为否定句)This my pencil box.3. Is this your eraser? (作否定回答) , it .4. That is her pen. (改为同义句)That pen .5. Those are Helens rulers. (对划线部分提问) those?答案：1. Are, his2. is, not3. No, isnt4. is, hers5. What are一、单项选择1. This is my pen. And that ruler is , too. A. IB. myC. mineD. me2. - these your cousins?- . They are my brothers. A. Is; YesB. Is; NoC. Are; YesD. Are; No3. - this book?- It is g
