2022年人教版七年级上册英语知识点全第七单元unit知识点.docx

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1、精选学习资料 - - - - - - - - - Unit 7 谈论物品的价格教学重、难1、会用英语谈论物品颜色、价格及对服装的好恶；汇 2 、把握购物时的点礼貌用语；：点词1、 重much,sock,T-shirt,shorts,sweater,trousers,shoe,skirt,dollar,big,small,short,long,woman, need,look,pair, take, ten-thirty, price, buy, sale, sell, clothes. 2、 短语归纳：1.how much 多少钱2. seven dollars 7 美元3. white ba

2、g 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7. shirts in red 红色的裙子8. twenty-eight dollars 28 美元9. Big Sale！大降价10. twenty yuan 20 元11. a pair of black shoes 一双黑色的鞋子3、How much is this T-shirt. how much 通常用来对价格进行提问,意为“ 多少钱” ；常构成句式“How much is/are+ 物品 .” ,回答用“Its /Theyre+价格” ；

3、 / 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,仍可用：What s the price of .使用这一句型时,无论被询问的商品是单数仍是复数,be 动词都用 is,不能用 are；其答语为Its.价格是 What s the price of the book. What s the price of these books. Its five yuan . Its ten yuan

4、 . 】辨析 how much 和 how many 表示“ 多少” ,都是对名词的数量进行提问,两者区分如下: + 一般how much 后接不行数名词,用于提问不行数名词的数 量或价格句式： How much + 不行数名词疑问句？how many 后接可数名词复数,用于提问可数名词的数 量句式： How many + 可数名词复数+ 一般疑问句 . 4、像 socks, shoes, trousers, glasses, shorts,等都是成双成对的物品,一般以复数的形式出现；1） 这类名词作主语时,谓语动词一般用复数形式；e.g. How much are these shorts.

5、 / How much are these socks. 这双短袜多少钱？饰 2 如表示“ 一双,一副,一条” 时就要用 a pair of,但谓语动词用单数形式；e.g. The pair of trousers is 98 yuan. a pair of / two pairs of socks/shorts 也可以用 some, many, these, those 等词修5、dollar 可数名词,“ 美元” ,其符号为$,其复数形式为dollars；中国的货币单位是元,其符号为￥,为不行数名词；名师归纳总结 - - - - - - -第 1 页,共 4 页精选学习资料 - - - -

6、 - - - - - 1） 表价格时,用单词就放在数字之后,用符号就放在数字之前；e.g. 20 dollars =$20 .货币符号没有复数形式 2） 全部的钱数同时间、距离一样,无论多少,在句中作主语时,谓语动词都用单 数形式；e.g. 5,000 dollars is quite a lot of money for me. Five weeks is quite a long time.五周是相当长的一段时间；6、 Can I help you. 我能帮您吗？=May I help you . / What can I do for you. / Is there anything I

7、 can do for you. Thank you,I want / Yes,please. Id like / No, thanks. I m just looking around. / Just a look. 这一句主要是英语国家里,服务员招呼客户的常用语,以表示客气和礼貌,而不说“ What do you want. ” ； Can I help you. _.I want to buy some T-shorts for my children. A.Yes, please. B. No, thanks. C. It doesn t matter D. Of course I c

8、an 7、need “ 需要”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. e.g. I need a hat./ Does your mother need any help ？2） 当情态动词时, need + v 原；】变否定句时要在 要把 need 提到主语前；need 后加 not,变疑问句时,e.g. You neednt do it again. / Need he do his homework first. 8、How about this one ？one,代词,此处用于指代上文提到的

9、e.g. I have some apples. Do you want one？】 one 和 it 均指上文显现过的名词,但其用法不同；sweaters 中的一件；one it 指代“ 同名异物” ,即指代与前面事物同属一类的事物,并不是指同一个事物；假如指代同类事物中的一些,要用ones 指代“ 同名同物” ,即指代上文显现过的同一事物e.g. This apple is small. Please give me this one. 这个苹果小,请给我一个大的；These books are mine. Those ones are lilys. 这些书是我的,那些（书）是莉莉的；Wh

10、eres my pen . I cant find it. 9、look 1系动词,“ 看上去,看起来” ,+ adj. e.g. You look very healthy. / The teacher looks very happy. 2作不及物动词,“ 看” ,加宾语时要与at 连用,即look at. e.g. Look. Here comes the bus. / 10、 Ill take it. 我买了；Look at the picture, please. 此句是选好的商品并打算购买时的常用语；假如选定的物品是单数时,说“Ill take it. ” ；假如选定的物品是复数时

11、,应说“Ill take them. ” ；1） Ill = I will, will 是助动词,表“ 将要” ,用于表示将来发生的动作；2） Take “ 买” ,相当于buy/get/have ；在口语中,买东西常用take. e.g. The coat is very cheap. Ill take it. 名师归纳总结 - - - - - - -第 2 页,共 4 页精选学习资料 - - - - - - - - - 11、 Here you are.给你 是把某物递给对方时的常说的一句话；当你购物或借东西时,也常用这句,表示“ 给 你” ；不怜悯形意义不尽相同；当你乘车到站时,这句话意

12、为“ 你到站了” ；当寻物时,如是自己发觉的常说“Here it is.” 或“Here they are.” ,意为“ 找到了” ； May I use your dictionary. Mine is at home. _. A. Thanks a lot. B. Id love to C. Youre welcome D. Sure. Here you are. 12、 clothes n.“ 衣服” ,统指（身上的）各种服装,包括上衣,裤子等；1）它不能直接与数词连用,但可以用these, those,some 等词来修饰；2）clothes 本身是复数形式, 作主语时, 谓语动词总用

13、复数形式；但假如用量词suit来修饰,谓语动词应和suit 在单复数形式上保持一样；e.g. This suit of clothes is Jims. / Those suits of clothes are on sale now. 13、 store 可数名词,“ 商店” ,同义词为 stop,store 往往指百货商店；仍可做动词,“ 储存,储备“ ,e.g. You need to store food. 14、 buy 及物动词,“ 买” ,反义词为 sell（卖）buy sb. sth.=buy sth. for sb.给某人卖某物 e.g. I want to buy my f

14、ather some presents.=I want to buy some presents for my father. 15、 sell 及物动词,“ 出售,销售” ,Sell sb. sth.=sell sth.to sb.卖某物给某人 e.g. They will sell me their books.=They will sell their books to me . 他们将要把他们 的书卖给我；16、 sale n.“ 出售,销售” ,其动词形式sell e.g. The sale of his old house will make him sad. at great s

15、ale 在大减价期间e.g. Come and buy your clothes at our great sale. on sale 正在 出售,减价销售 =at a sale e.g.The books are on sale；for sale 待售,e.g. The house is for sale. on sale for 以.价格出售e.g. The hat is on sale for 8 dollars. 17、 .at very good prices 以很低（合理）的价格出售；1）at 以.的价格price n. “价格、价钱“ 与介词 of 常构成短语： the pric

16、e 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 much；3表示价格“ 高低” 时,常用high 和 low ,不用 expensive 或 cheap；e.g. I buy it at a very good price,3 yuan . 18、 for only +详细价钱 表示某物卖多少钱e.g. These trousers are for seventy yuan . / for only 28 dallars 19、 in + 颜色 表“ 穿 颜色的 ”e.g. The girl in red is my younger sist

17、er.那个穿红色的女孩是我的妹妹；in + 表衣服的名词,表示“ 穿着 ”e.g. The woman in a yellow coat is Lucys mother./ The woman is in a purple sweater. 20、数词可用来表示年龄,数量,次序,编号,时间等 . 】基数词的表达法：名师归纳总结 - - - - - - -第 3 页,共 4 页精选学习资料 - - - - - - - - - 1）1-12,无规律,one,two ,three, four, five, six, seven, eight ,nine, ten, eleven , twelve;

18、213-19,表示“ 十几” ,在个位数后加后缀 fifteen 和 eighteen 的拼写；-teen ,读作 /ti:n/ ；其中应留意 thirteen ,thirteen ,fourteen ,fifteen ,sixteen,seventeen,eighteen,nineteen,3）20-90 的整十数词,都以-ty 结尾；twenty ,thirty ,forty ,fifty ,sixty,seventy,eighty,ninety ；名师归纳总结 4）21-99 的非整十数词表达为：整十数词+ 连字符+ 个位数词第 4 页,共 4 页21 twenty-one 23 twenty-three 35 thirty-five 56 fifty-six 5）100 用 one hungred/ a hundred 表示,要表示 200-900,用“ 详细数字+ hundred” ；200 two hundred 900 nine hundred- - - - - - -