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.
