人教版英语七年级上册 第七单元知识点总结.doc

人教版英语七年级上册 第七单元知识点总结Unit 7 How much are these socks?1. how much 的用法 对价格提问：How much +be(is/are)+主语（单数/复数）？某物多少钱？例如：1.How much_(be)the sweater? _8 dollars. 2.How much_(be)the shorts? _12 dollars. How much+be+主语?的同义句：Whats the price of+主语？Its 12 dollars.例如：How much are the socks?=Whats the price of the socks? How much还可以对不可数名词的数量提问：How much+不可数名词+其他？例如：How much milk do we need?我们需要多少牛奶？注：How many对可数名词的数量提问：How many+可数名词复数+其他？ 例如：How many bananas do we need?我们需要多少个香蕉？2. Can I help you?的同义句：What can I help you?Is there anything I can do for you?May I help you?3. need的用法:need+名词 例如：I need a pen.Need to do sth 例如：You need to finish the job on time.4. Look的用法： 可以单独使用,表动作。Look!What is he doing? 短语：Look like看起来像。He looks like his father. 看一看have a look at. Let me have a look at the map. have Look at+宾语 Look at the map.5. take的用法: 买下.相当于buy. Ill take it/them. 拿走,带走.take sth to sb/sp. Please take the book to your classroom.6. Here /There+主语（代词）+谓语动词！Here it is! Here you are!Here/There +谓语动词+主语（名词）！Here is a book!7. buy的用法： buy sth for sb.为某人买某物。I buy a skirt for my daughter. buy sth from sp.从某地买某物。I buy a book from the bookstore.8. Sell sth to sb把某物卖给某人He sells a book to me.9. Sale名词 销售。 on sale 正在销售 These clothes are on sale. at our great sale 在我们大降价时10. at a good price./at good prices.以优惠的价格。At a high price.以高价 at a low price.以低价.11. in+颜色。表示穿某种颜色的衣服例如：The woman in red is my sister.穿红衣服的这个女人是我的妹妹。 We have skirts in purple.我们有紫色的裙子。12. 对比以下两个句子