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be 动词专练be 动词用法歌： 我用 am,你用 are，is 连接他，她，它。单数名词用 is，复数名词全用 are。变疑问，往前提，句末问号莫丢弃。变否定，更容易，be 后 not 莫忘记。 疑问否定任你变，句首大写莫迟疑。解析: I am; You are; He is; She is; It is; We are; You are; They are.用 am, is, are 填空 1. I _ a boy. _ you a boy? 2. The girl_ Jacks sister. 3. The dog _ tall and fat. 4. The man with big eyes _ a teacher.5. _ your brother in the classroom? 6. Where _ your mother? 7. How _ your father? 8. Mike and Liu Tao _ at school. 9. That _ my red skirt. 10.The jeans _ on the desk. 11. Some tea _ in the glass. 12. Gao Shans shirt _ over there. 13. My sisters name _Nancy. 14._you American? 15. He _ in Class 4, Grade 1. 16.It_ a car. 28. They _ cars .17. _ your mother in China? 18. What _her name? 19.Those _oranges. 20. Where _ her mother? 21. How old _your teacher? 22.What class _ you in? 23. _ your brother in the classroom? 含be动词的否定句和一般疑问句【练习】 按要求完成下列各题。1. She is my sister. (改为否定句)_2. These are my books. (改为否定句) _3. That is Annas eraser. (改为一般疑问句) _4. They are my parents. (改为一般疑问句) _5. I am Jane. (改为一般疑问句) _【总结】含be动词的否定句和一般疑问句都是在肯定句的基础上变换而来的。【否定句】变否定句时，在be动词(am, is, are)后面加否定词not即可。如：Im Linda. Im not Linda. Her name is Jane. Her name is not / isnt Jane. 【一般疑问句】变一般疑问句时，把be动词(am, is, are) 提到句首，首字母大写，句末加问号。肯定回答用Yes，否定回答用No。如：Tom is my cousin. Is Tom your cousin?【特别提醒】Im 变一般疑问句时，通常为Are you ?主谓一致法练习在一般现在时中，当主语是第三人称单数时，谓语动词要用第三人称单数形式，即常在动词原形后加-s或-es。但有些同学们对于哪些主语是第三人称单数还不十分清楚，现归纳总结如下： 一、人称代词he, she, it是第三人称单数。如： He likes watching TV. 他喜欢看电视。 She has lunch at twelve. 她十二点吃午餐。 It looks like a cat. 它看起来像只猫。 二、单个人名、地名或称呼作主语；是第三人称单数。如： Han Mei looks like her mother. 韩梅看起来像她的母亲。 Beijing is in China. 北京在中国。 Uncle Wang often makes cakes. 王叔叔经常做蛋糕。 三、单数可数名词或this / that / the+单数可数名词作主语时，是第三人称单数。如： A horse is a useful animal. 马是有用的动物。 This book is yours. 这本书是你的。 That car is red. 那辆小汽车是红色的。 The cat is Lucys. 这只猫是露茜的。 四、不定代词someone, somebody, nobody, everything, something等及指示代词this, that作主语时，是第三人称单数。如： Everyone is here. 大家到齐了。 There is something wrong with the watch. 这块手表有毛病。 This is a pen. 这是一支钢笔。 That is an eraser. 那是一块橡皮擦。 五、不可数名词作主语时为第三人称单数。如： The milk is in the glass. 牛奶在玻璃杯里。 The bread is very small. 那面包很小。 六、当数字或字母作主语时，看作第三人称单数。如： 6 is a lucky number. 6是个吉利数字。 I is a letter. I是个字母。 巩固练习题： I.写出下列动词的相应形式： 1. 第三人称单数： watch_ listen _ guess_ study_ do_ go_ like _ carry_ II. 用所给动词的适当形式填空： 1I _(write) to my sister every week. 2. _ Jerry _(do) homework every day? 3. Grandpa _(like)_(play) chess. 4. Toms family_(watch) TV every night. 5. It _(take) me two hours to finish my homework. 6. What _ your mother usually _(do) in the evening? She usually _ (wash) clothes. 7. There _ (be) a football match on TV this evening.8. I _ (know) the boy.9. They _(go) to work on Saturdays.10. He usually _(come) to school early.11.I often _(have) rice, meat and vegetables.12. My grandfather _(play) sports in the park.13. Miss Li _(teach) English in our school.14. Alicia and Jerry _ (do) homework after school.15.Her sister _(have) Chinese every day.单数句变复数句，复数句变单数句1It is a bus._2This is my sister._3He is his friend ._4That is her dictionary._5Those are boxes._6They are teachers._7These are desks ._8We are boys. _名词所有格的构成及用法名词在句中表示所有关系、所属关系、动作执行者及动作承受者等意义时常需用所有格形式。名词所有格也称为属格、主格，它主要包括s所有格、of所有格和双重所有格三种表现形式。定义：表示有生命的东西的名词及某些表示时间、距离、星球、世界、国家等无生命的东西的名词后加 s来表示所有关系，叫做名词所有格。名词所有格的用法：一、名词+ s （主要用于有生命的事物）1、单数名词和不以-s结尾的复数名词在词尾加s构成所有格 例如：Jimmys book（吉米的书）Janes schoolbag（简的书包）Marks room （马克的房间）Qianqians mother （倩倩的妈妈）Childrens Day(儿童的节日、六一儿童节)Wuhans summer is very hot.(武汉的夏天非常热。)Qianqian s math is very good.(倩倩的数学很好。)2、复数名词以-s结尾的只需要加 构成所有格。例如：Twins father is Mr. Brown. (双胞胎的爸爸是布朗先生。)Girls favorite food is ice-cream. (女孩们最喜欢的食物是冰激凌。)二、名词 +of +名词如果名词是无生命的，我们通常就要用名词+of +名词的结构来表示所有关系。 例如：A bag of mine= my bag (我的书包)The name of the girl =the girls name (女孩的名字)The window of the bedroom = the bedrooms window(卧室的窗户)三、特殊所有格若一样东西为两人共有，则后一个人名用所有格；如果不是两人共有，而是各有各的，则两个名词都用所有格，且其后名词应为复数。例如：This is Tom and Jims room. 这是汤姆和吉姆共有的房间。These are Toms and Jims rooms. 这些是汤姆和杰森各自的房间。 5
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