七年级英语下册Unit6_topic1教材解答.doc

Unit 6 Our Local Area Topic 1 Is there a computer in your study? 重难点讲解 There is / are… （1） 用法：There be 有，其确切含意为某处或某时存在某人或某物。其结构是：There be + 某人或某物 + 表示地点或时间的状语。There be 后面的名词实际上是主语，be 动词的形式要和主语在数上保持一致，be动词后面的名词是单数或不可数名词时用is，名词是复数时用are。 There is a book and two pens on the desk. 桌上有一本书和两支笔。 There are two pens and a book on the desk. 桌上有两支笔和一本书。 There isn’t a book on the desk. 桌上没有一本书。 There aren’t two pens on the desk. 桌上没有两支笔。 Is there a book on the desk? Yes, there is. No, there isn’t. 桌上有一本书吗？是的，有。不，没有。 Are there two pens on the desk? Yes, there are. No, there aren’t. 桌上有两支笔吗？是的，有。不，没有。 （3）与have的区别： 类型 There be Have 涵义不同 侧重 存在关系，表示某地或某时间存在某人/某物，there只是引导词，无意义。如：There is a boat in the river.河里有一条船。 侧重 所属关系，示属于……所拥有的东西，第三人称用has。如： I have a nice watch.  我有一块好看的手表。  She has a new computer.  她有一台新电脑。 句型不同 1.肯定式：There is/are+主语+其它。 2.否定式：There is/are+ not+主语+其它。 3.疑问式：--Is/Are there+主语+其它？ --Yes, there is/are. --No, there isnt/arent 1.肯定式：主语+have/has+其它。 2.吉伯定式：a)主语+dont/doesnt have+其它； b)主语+havent/hasnt+其它。 3.疑问式：a)--Do/does+主语+have+其它？ --Yes,主语+do/does./No,主语+dont/doesnt. b)--Have/Has+主语+其它？--Yes,主语+have/has./No,主语+havent/hasnt. 主谓一致不同 1.There is +单数主语/不可数主语…如： There is some milk in hte bottle. There is a hat on the desk. 2.There are+复数主语…如：There are some flowers in the basket. 3.There is +单数主语+and+复数主语…如： There is a mouse and two pens on the deak. 4.There are+复数主语+and+单数主语…如：There are two pens and a mouseon the desk. 1.主语（第三人称单数）+has+…如： She has many new clothes. Tom has a nice feather.  2.第一、二人称单数和复数主语+have+…如:You have some good firends but they have few. 划线提问不同 1.对主语提问一律用Whats+某地/某时？结构，其中谓语动词须用is，且there要省略。如：There are some pictures on the wall.---Whats on the wall? 2.对地点提问要用Where is/are there…?如：There is a black car under the tree.--Where is there a black car? 3.对主语的数量提问要用How many+主语（复数）+are there…?/How much+主语（不可数）+is there…? 如： Therere three people in my family. --How many people a