人教版英语七年级上册---第七单元知识点总结.docx

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。