2022新人教版八年级上册《英语》语法 there be句型 （共20张ppt）ppt课件.pptx

1、There be 句型目录 content目录 contentDefinition1Structure2Transformation of sentence3Differences4Exercise5Homework6Definition1There be 句型表示某处存在某物或某人。DefinitionDefinition存在句Structure2There be+某人（某物）+某处StructureStructure其中There是引导词，没有词义；be是谓语动词，在一般现在时中be只用is和are两种形式。是be后面的名词隔壁老王家口诀：“There be 放句首，主语跟他后。地、时放句

2、末，强调置前头。”主语There is a man(Lao Wang)in the next door.有个男人（老王）在隔壁。StructureStructure隔壁老王家口诀：“There be 放句首，主语跟他后。地、时放句末，强调置前头。”In the next door，There is a man(Lao Wang).For example:There be 句型中的be动词如何确定呢？StructureStructureBe动词只有is，are及其变化形式（was，were）要用is还是are？需看其后面的名词是单数还是复数。若是单数或者不可数名词用is，否则用are。There

3、 is a cat on the floor.There is some water in the bottle.There are three men in the car.就近原则AttentionAttention当主语是两个或两个以上的名词时，谓语动词要跟它最近的那个名词一致。单/不可数则is，复则are。就近原则There is a laptop and some books on the desk.桌子上有一台电脑和一些书本。There are some books and a laptop on the desk.Transformation of sentence3Transf

4、ormation of sentenceTransformation of sentence a handsome man in this room.1.变成否定句There be+某人（某物）+某处not There is isnt Transformation of sentenceTransformation of sentence注意：当肯定句中有some时，要将其改为any（否定变化也一样）2.变成一般疑问句There+某人（某物）+某处?There is some water in the bottle.be there Be 注意：当肯定句中有some时，要将其改为any（否定变

5、化也一样）Is there any water in the bottle?There isnt any water in the bottle.Differences4There be表示“存在”；have/has表示“拥有”。DifferencesDifferences2.区别：。1.There be句型与have/has句型都表示“有”的含义。3.当have/has表示“存在”、“包括”时，两者可以互换。A week has seven days.=There are seven days in a week.I have a handsome English teacher.DifferencesDifferencesthere be和have是不可能同时出现的；在there be句型中be的形式不能用have/has代替；there不能和have(has)连用。Exercise5书本P12第一题P13第四题。ExerciseExerciseHomework6书本P13第一题P17。HomeworkHomework谢谢大家Thank You！