1、Unit 8 Is there a post office near here?,第三课时 Grammar Focus单元同步语法精讲精练,there be句型 there be句型的定义 there be句型也称为“存在句”,表示“某地有某人/物”。 句式结构及用法 there be句型的肯定句结构为:There be名词(主语)地点副词/介词短语(表示地点)。there be句型属于倒装句,主语通常放在谓语后面,动词be为谓语。be动词应根据主语的单复数而变化,主语是单数或不可数名词,用there is;若主语是复数用there are。 eg:There are 50 students
2、in our class.我们班有50个学生。,there be句型中的谓语应和后面的主语保持一致,若有两个或两个以上的主语,动词be的形式应由最近的那个主语的数决定,即遵循“就近原则”。 eg:There is a pencil and two books on the desk. There are two books and a pencil on the desk.课桌上有一支铅笔(两本书)和两本书(一支铅笔)。,there be句型的否定句,直接在be动词后加not;其一般疑问句,要将be动词放在句首。肯定回答为“Yes,there is/are.”;否定回答为“No,there i
3、snt/ arent.”。 【注意】如果在there be句型的否定句和一般疑问句中有some,则应将some改为any。 there be句型一般现在时的特殊疑问句由“特殊疑问词is/arethere地点状语”构成,有时地点状语可省略。答语不能用Yes或No,需根据情况直接回答。 eg:How many apples are there in the bag?包里有多少苹果? Five.五个。,there be与have/has的区别 there be结构表示客观存在,意为“某地有某物(人)”;have/has表示所属关系,意为“某人拥有某物”。 eg:There is a TV in ou
4、r classroom.在我们的教室里有一台电视机。 We have a TV in our classroom.我们有一台电视机在教室里。,一、用be动词的适当形式填空。(必要时可加not) 1There _ a boy under the tree. 2How many books _ there in the city library? 3There _ some bread on the plate. 4There _ a chair and three desks in the classroom. 5There _ two boys and a teacher in the cla
5、ssroom.,is,are,is,is,are,6_ there any pens in the pencil box? No,there _ 7There _ a police station on New Street. 8There _ lots of hospitals in the city. 9There _ some people on the bus. 10_ there a car or any buses in front of the market?,Are,arent,is,are,are,Is,二、用 there be 或 have 的正确形式填空。(必要时可加 n
6、ot) 11_a tall building across from the park. 12She _ a pet dog called Lazy. 13_ any food in the fridge (冰箱)? No,there isnt. 14A year _ twelve months. 15_ any students in the school because today is Sunday.,There is,has,Is there,has,There arent,三、句型转换。 16There are some hotels around here.(改为一般疑问句) _
7、_ _ hotels around here? 17There is a pen and two erasers in the pencilbox.(改为否定句) There _ a pen _ two erasers in the pencilbox. 18There are some_birds in the tree.(对画线部分提问) _ in the tree?,Are there any,isnt,or,Whats,19The pay phone is next to the school.(改为同义句) _ _ a pay phone next to the school. 20I have two computers in my room.(改为同义句) _ _ two computers in my room.,There is,There are,