Section A
1，许多 many+可数名词复数 many friends 许多朋友 much+不可数名词 much homework 很多作业
2，how much 多少钱 用来询问物品的价格
How much is that brown sweater (主语) ? It’s eight dollars.
How much are those black trousers (主语) ? They’re nine dollars.
What’s the price (主语) of those black trousers? It’s nine dollars.
3,how much + 不可数名词 提问不可数名词的数量 How much water do you need?
how many + 可数名词复数 提问可数名词的数量 How many glasses of water do you need?
4，Can I help you? (购物时)您想买点儿什么吗？ You are welcome.不用谢
I need a sweater for school. 我需要为上学买毛衣。 two dollars for one pair 两美元一双
What color do you want? 您想要什么颜色 I'll take it them. 我买下了。 Here you are. 给你。
How about this one? 这个怎么样？ How about + 名词/代词/动名词
5，常以复数形式出现的单词：shoes socks shorts trousers glasses（1，直接做主语谓语动词用复数。2，前有a pair of 修饰，pair是中心词）
Clothes 复数概念 无单数形式
Section B
1，clothes store 服装店 at our great / big sale在我们大促销时 Come and buy your clothes!快来买衣服吧！
sell all our clothes at very good prices 以非常优惠的价格出售衣服 for boys / girls 对于男孩 / 女孩
We have skirts in purple for only 20 yuan. 紫色的裙子 a pair of white socks 一双白袜子 Do you sell bags ? 你卖包吗？
buy sb sth. = buy sth. for sb sell sb sth. = sell sth. to sb need +n.pron.to do sth
基数词表达
1) zero ，one到twelve，拼写和读音无规律。
2) thirteen到nineteen, “十几”, 在个位数后加后缀-teen, 注意thirteen, fifteen和eighteen。
3) twenty到ninety, “几十”, 以ty结尾, 注意twenty, thirty, forty, fifty, eighty。
4) 21~29直到91~99, “几十几”, 用整十位数加个位表示, 中间用连字符“-” 把十位和个位连接起来。
5) one hundred “一百”, 也可说 a hundred, 可加具体数字, 如nine hundred (900)。
