七年级上英语|Unit 7 How much are these pants?|知识点

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Unit7
cloth clothes clothing dress
Cloth 指布，布料 是不可数名词
She bought some cloth to make herself a dress.
但表示用作某种特殊用途的布时是可数名词
Clean the windows with a soft cloth.
Clothes 泛指身上穿的衣裳（包括上衣，裤子，内衣等）是复数名词，不能与数词连用
Most of her clothes are red.
Clothing 是衣服的总称，除衣裤外海包括帽子，鞋袜，手套之类的 它是一个物质名词没有复数形式
This shop sells woman’s clothing.
Dress 范围比clothes和clothing都窄，指穿在外面的衣服，尤指社交场合穿的衣服作不可数名词用 national dress 民族服装 evening dress晚礼服
My sister wears a blue dress.
Put on more ___ , or you’ll catch a cold.
A cloth B clothing C clothes D cloths
Put on one’s clothes 穿上衣服 take off one’s clothes 脱下衣服
常以复数形式出现的名词
Socks pants trousers shorts shoes…
1 当此类词作主语时，谓语动词用复数形式 My socks are blue.
要表示一双，一副，一条的时候用 a pair of a pair of shoes 一双鞋
一套衣服 a suit of clothes a piece of clothing
2 当此类词作主语时，谓语动词用单数形式
--- Mum, I like this pair of pants.
--- Of course, but it’s too expensive.
How to buy
How much后的be动词由主语来定
回答用it’s/they’re+货币数量
How much is the T-shirt
It’s sixty yuan. It’s 5 dollars.
Yuan dollar
Yuan 元，是人民币单位 没有复数形式 人民币用英语表示时只有元yuan 和
分fen 没有角jiao it’s 10 yuan.
Dollar 美元， 美元单位，是可数名词有复数形式 美分 cent
They are 75 dollars.
When you want to buy something, which words you have to use
Buy sale price want
Buy v. 购买，买
Buy something in/from someplace.从某处买东西
Buy somebody something=buy something for somebody给某人买……
He wants to buy a present for his mother.他想给他妈妈买件礼物
Buy…for+钱数 以…价格买下
Want v. 需要，想要
want+名词 表示“想要……” I want a new jacket.
want+不定式(to do something)表示“想要做某事” She wants to go to the party.
Want somebody to do something 表示“想要某人做某事” He wants me to go.
Sale n. 出售，卖出
For sale 待售 有……卖 the house is for sale.
On sale 表示“削价出售” I got this hat on sale. It was very cheap.
Price n. 定价，价格 the price of the rice 大米的定价
At a+形容词+price 以…..价格 they want to buy the house at a low price.
At the price of 表示“以……价格(出售)
数词
基数词的词形表示及特点
1-12是独立的单词 13-19以teen结尾 30-90以ty结尾 几十几要用连词符
24 twenty-four 三位数词需注意百位和十位之间加and 148 one hundred and
Forty-eight 206 two hundred and six
#用数词的复数形式修饰名词时，要用“复数数词+of+复数名词”这一格式
Hundred of young people.数以百计的年轻人
#基数词可以和名词构成合成词，但要用单数，并且中间要用连字符连接
A five-year-old boy 一个5岁的男孩 an 800-meter-long bridge 一座800米长的桥
Two ___ are here.
A hundreds old people B hundred old people
C hundreds old peoples D hundred old peoples
_____ child can read English.
A Ten years old B A ten- year-old
C A ten-years-old D A ten year old
--- _____
--- I’d like to buy a dictionary.
A Can I help you B What do you want to buy
C How can I do for you D Something you want to buy
Help v.n. 帮助
口: help! 救命Help yourself! 请自便
Help somebody do something帮助某人做某事
I help them clean the floor. 我帮他们扫地
Help somebody with something 帮助某人做某事
My teacher helps me with my homework. 我的老师帮我辅导家庭作业
Also too
She also likes watching TV.她也喜欢看电视
My sister likes English, and I like English too. 我妹妹喜欢英语，我也喜欢英语
Also 与too 都用于肯定句中，位置有所不同，also一般放在主要动词的前面，be
动词，助动词以及情态动词的后面，而too一般放在句子的末尾
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