Unit7基础词法用法语法知识点汇总 语法练习人教版英语七年级上册.doc

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1、人教版七年级上册Unit7基础词法用法语法知识点素材短语：1.how much多少钱 2. seven dollars 7美元 3. white bag白色的包 4. clothes store服装店 5. at very good price以很低的价格 6. for boys对于男孩子 shirts in red红色的裙子 8. twenty-eight dollars 28美元 9. On Sale！(正在)出售 10. twenty yuan 20元 11. a pair of black shoes一双黑色的鞋子 12. for sale待售语法：how much 通常用来对价格进行

2、提问，意为“多少钱”。常构成句式“How much is/are+物品?”，回答用“Its /Theyre+价格”。/ 直接用价格来回答。How much is your sweater?How much are these trousers?Its 123 dollars./123 dollars. /Theyre 130 yuan.对价格进行询问时，还可用：Whats the price of ?使用 这一句型时，无论被询问的商品是单数还是复数，be动词都用 is，不能用are；其答语为Its.价格是Whats the price of the book?Whats the price o

3、f these books?Its five yuan .Its ten yuan .need用法1） 当实义动词时， need + n. / prep. /to do sth.构成否定句和疑问句时需借助助动词do/does.I need a hat.Does your mother need any help？2） 当情态动词时，need + v.原形。变否定句时要在need后加not，变疑问句时，要把need提到主语 前。You neednt do it again.Need he do his homework first?buy用法buy 及物动词，“买”，反义词为sell（卖）buy

4、 sb. sth.= buy sth. for sb.给某人卖某物I want to buy my father some presents.I want to buy some presents for my father.sale n.“出售，销售”，其动词形式sellThe sale of his old house will make him sad.at great sale 在大减价期间Come and buy your clothes at our great sale.on sale (正在)出售，减价销售= at a saleThe books are on sale。for

5、 sale 待售，The house is for sale.on sale for 以.价格出售The hat is on sale for 8 dollars.price的介词搭配at a good price./at good prices.以优惠的价格。at a high price.at a low price.1）at .price 以的价格 price n. “价格、价钱”与介词of常构成短语：the price of“.的价格”2）询问价格且句中有price时，疑问句通常用what ，不用how much3)表示价格“高低”时，常用high和low，不用expensive或ch

6、eap。I buy it at a very good price,3 yuan.基数词的表达法1）1-12，无规律，one，two，three, four, five, six, seven, eight ,nine, ten, eleven , twelve;2)13-19,表示“十几”，在个位数后加后缀-teen，读/ti:n/。 其中应注意thirteen，fifteen和eighteen的拼写。thirteen，fourteen，fifteen，sixteen，seventeen， eighteen，nineteen3）20-90的整十数词，都以-ty结尾；twenty，thirty

7、，forty，fifty，sixty，seventy，eighty， ninety；4）21-99的非整十数词表达为：整十数词 + 连字符 + 个位数词21 twenty-one 23 twenty-three 35 thirty-five 56 fifty-six5）100用one hundred/ a hundred 表示，要表示200-900， 用“具体数字 + hundred”。200 two hundred 900 nine hundred练习：用适当的介词填空 1.They have lots of balls _very good prices in the ir store.2

8、.The shorts are only ￥5 _ two pairs.3._ boys and girls,we have lots of hamburgers and ice-cream.4.He wants two pairs _ socks.5.The computers and TV are _ sale.根据句意及汉语提示完成单词1.I like these _(裤子).They look nice. 2.Ill _ (买下)this T-shirt. 3.Marys _ (裙子)looks very nice.4.Do you like these blue _ (短裤)? 5.

9、How much are these black _ (包)? 用方框中适当的 单词或短语填空T-shirt,small,shorts,how much,need1.Do you _ bags for school?2.What are these?They are blue _.3.Is this your _, Jane?Yes,it is.4. _ is the big red hat?15 dollars.5.This jacket is too big for my daughter. Do you have any_ ones?用括号中所给单词的适当形式填空1.This green sweater _ (look) nice on you.2.I need _ (buy)a new T-shirt.This one is too small for me.3.How much _(be)the blue trousers?4.The_(woman)in the ph oto are my aunts.5.The socks are ten yuan for three _ (pair).