人教版英语七年级上册第七单元知识点Unit 7 How much are these socks？1. how much 的用法① 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。② How much+be+主语？的同义句：—What’s the price of+主语？—It's 12 dollars.例如：How much are the socks？=What’s the price of the socks?③ 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：① 可以单独使用,表动作。Look！What is he doing？② 短语：Look like 看起来像。He looks like his father。③ 看一看 have a look at。。. Let me have a look at the map. have a look Please come and have a look.④ Look at+宾语 Look at the map。5. take 的用法:① 买下。相当于 buy。 I’ll take it/them。② 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： ① buy sth for sb.为某人买某物。I buy a skirt for my daughter。② 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。① on sale 正在销售 These clothes are on sale.② at our great sale 在我们大降价时 Come and buy clothes at our great sale。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：We have white sweater for 20 dollars. Our white sweater is 20 dollars。
