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

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 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” ； / 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 . 】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. / 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 - - - - - - - - - 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 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 can 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 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；Wheres 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,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 father 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 sale 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 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 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 sister.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; 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- - - - - - -