七年級上冊英語專項練習be 動詞用法歌： 我用 am,你用 are,is 連接他,她,它。單數名詞用 is,復數名詞全用 are。變疑問,往前提,句末問號莫丟棄。變否定,更容易,be 后 not 莫忘記。 疑問否定任你變,句首大寫莫遲疑。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動詞的否定句和一般疑問句【練習】 按要求完成下列各題。1. She is my sister. (改為否定句)_2. These are my books. (改為否定句) _3. That is Annas eraser. (改為一般疑問句) _4. They are my parents. (改為一般疑問句) _5. I am Jane. (改為一般疑問句) _【總結】含be動詞的否定句和一般疑問句都是在肯定句的基礎上變換而來的。【否定句】變否定句時,在be動詞(am, is, are)后面加否定詞not即可。如：Im Linda. Im not Linda. Her name is Jane. Her name is not / isnt Jane. 【一般疑問句】變一般疑問句時,把be動詞(am, is, are) 提到句首,首字母大寫,句末加問號?？隙ɑ卮鹩肶es,否定回答用No。如：Tom is my cousin. Is Tom your cousin?【特別提醒】Im 變一般疑問句時,通常為Are you ?主謂一致法練習在一般現在時中,當主語是第三人稱單數時,謂語動詞要用第三人稱單數形式,即常在動詞原形后加-s或-es。但有些同學們對于哪些主語是第三人稱單數還不十分清楚,現歸納總結如下： 一、人稱代詞he, she, it是第三人稱單數。如： He likes watching TV. 他喜歡看電視。 She has lunch at twelve. 她十二點吃午餐。 It looks like a cat. 它看起來像只貓。 二、單個人名、地名或稱呼作主語；是第三人稱單數。如： Han Mei looks like her mother. 韓梅看起來像她的母親。 Beijing is in China. 北京在中國。 Uncle Wang often makes cakes. 王叔叔經常做蛋糕。 三、單數可數名詞或this / that / the+單數可數名詞作主語時,是第三人稱單數。如： A horse is a useful animal. 馬是有用的動物。 This book is yours. 這本書是你的。 That car is red. 那輛小汽車是紅色的。 The cat is Lucys. 這只貓是露茜的。 四、不定代詞someone, somebody, nobody, everything, something等及指示代詞this, that作主語時,是第三人稱單數。如： Everyone is here. 大家到齊了。 There is something wrong with the watch. 這塊手表有毛病。 This is a pen. 這是一支鋼筆。 That is an eraser. 那是一塊橡皮擦。 五、不可數名詞作主語時為第三人稱單數。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、當數字或字母作主語時,看作第三人稱單數。如： 6 is a lucky number. 6是個吉利數字。 I is a letter. I是個字母。 鞏固練習題： I.寫出下列動詞的相應形式： 1. 第三人稱單數： watch_ listen _ guess_ study_ do_ go_ like _ carry_ II. 用所給動詞的適當形式填空： 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.1011.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.單數句變復數句,復數句變單數句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. _名詞所有格的構成及用法名詞在句中表示所有關系、所屬關系、動作執行者及動作承受者等意義時常需用所有格形式。名詞所有格也稱為屬格、主格,它主要包括s所有格、of所有格和雙重所有格三種表現形式。定義：表示有生命的東西的名詞及某些表示時間、距離、星球、世界、國家等無生命的東西的名詞后加 s來表示所有關系,叫做名詞所有格。名詞所有格的用法：一、名詞+ s （主要用于有生命的事物）1、單數名詞和不以-s結尾的復數名詞在詞尾加s構成所有格 例如：Jimmys book（吉米的書）Janes schoolbag（簡的書包）Marks room （馬克的房間）Qianqians mother （倩倩的媽媽）Childrens Day(兒童的節日、六一兒童節)Wuhans summer is very hot.(武漢的夏天非常熱。)Qianqian s math is very good.(倩倩的數學很好。)2、復數名詞以-s結尾的只需要加 構成所有格。例如：Twins father is Mr. Brown. (雙胞胎的爸爸是布朗先生。)Girls favorite food is ice-cream. (女孩們最喜歡的食物是冰激凌。)二、名詞 +of +名詞如果名詞是無生命的,我們通常就要用名詞+of +名詞的結構來表示所有關系。 例如：A bag of mine= my bag (我的書包)The name of the girl =the girls name (女孩的名字)The window of the