Unit 8 语法课件 2023-2024学年人教版七年级下册英语

初中英语人教版七年级下册 Unit8 语法专项课件 （There be句型） there be句型定义 there be 构成的句子称为“存在句”。此句型构成形式一般为 “there be + 某人/物 + 地点/时间”，意为：在某地有某物（或某人）。 There is a cat under the tree. 树底下有一只猫。 There are two students in the classroom. 教室里有两个学生。 there be句型定义 there be句型结构 肯定句：there be + 其他 否定句：there be + not + 其他 疑问句：be + there + 其他 There is a bag on the desk. There isn’t a bag on the desk. Is there a bag on the desk? there be句型结构 “What’s + 表示地点的介词短语”用there be句型来回答。 —What’s on the desk? —There are 5 eggs on the desk. 注意：询问的时候，be动词只能用单数is， 而回答时需视情况而选用单复数。 易错点1 a. There is +单数可数名词\不可数名词 There is a book on the desk . 桌子上有一本书。 There is some water in the bottle. 瓶子里有些水。 用法 There are some pictures on the wall. 墙上有些图画。 易错点1 b. There are +复数名词 用法 b. There are +复数名词 There are two apples in the basket. 篮子里有两个苹果。 易错点2 There be句型的就近原则 There be 就近原则：若句子中有几个并列主语时，be动词的形式要与离其最近的一个主语在人称和数上保持一致。 1.There is a girl and two boys under the tree. 2.There are two boys and a girl under the tree. 易错点3 have/has与主语是 “所属关系”，强调的是 “拥有，占有” 。 there be表示“存在关系”，强调某地“有”某物， （某地存在） There be与have的区别 I have many friends. 我有很多朋友。 There is a book on the desk. 桌子上有一本书。 (拥有） （某地存在） 【典例1】—What______ on the shelf? —There are some books. A. be B. am C. are D. is 考查be动词。句意：—架子上有什么？—有几本书。 What be + 表示地点的介词短语提问，be动词只能用is。 【典例2】—Is there a garden in the yard? —Yes, there is. And there ______ beautiful flowers in it. A. is so much B. are so many C. is so many D. are so much 考查there be句型。句意：—院子里有一个花园吗？—有，并且里边有很多漂亮的花。flowers为可数名词单数，选用are和many来限定，故答案选B。 【典例3】There ______ an eraser, two pencils and a knife in the box. A. are B. is C. have D. has 考查there be句型。句意：盒子里有一个橡皮，两支铅笔，一个小刀。“某地有某物”选用there be句型；根据“就近原则”，an eraser为单数，选择is。 （二）问路和指路 1. 常见的问路句式 Is there ...near there? Where is ...