Unit 7 词汇复习讲义-2025-2026学年人教版七年级上册

该初中英语Unit 7词汇复习讲义通过分类表格系统构建知识体系，将核心短语按购物相关、价格询问等功能分类，词性转换按名词复数、动词过去式等规律梳理，清晰呈现重难点及内在联系，帮助学生建立结构化知识网络。 讲义亮点在于分层练习设计，从基础短语翻译、提升短语填空到拓展语境运用，逐步提升语言能力。如拓展题“这些裤子多少钱？它们89元，在降价出售”的语境补全，培养灵活运用能力。举一反三环节通过同义替换、规律迁移等提升思维品质，答案解析详细，支持不同层次学生自主复习，助力教师实施精准分层教学。

Unit 7 词汇复习讲义 班级：________ 小组：________ 姓名：________ 得分：________ 第一部分 核心短语精讲精练 一、知识点梳理（按功能分类，直击用法） 类别 核心短语 用法解析与注意事项 购物相关类 go shopping / buy sth for sb / buy sth for + 金额 buy sth from sb / shop in the supermarket 1. go shopping=do some shopping“去购物”，固定表达；2. buy sth for sb=buy sb sth“给某人买某物”（buy my mother a bag=buy a bag for my mother）；3. buy sth for + 金额“花多少钱买某物”（buy a pen for 5 yuan）；4. buy sth from sb“从某人那里买某物”（buy apples from the farmer） 价格询问与描述类 how much is / how much are it's + 金额 / they're + 金额 at a good price / on sale 1. how much用于询问不可数名词数量或价格，询问价格时主语单复数决定be动词（How much is the book? How much are the shoes?）；2. 价格表达：基数词+yuan/dollar（不用复数，5 yuan，3 dollars）；3. at a good price“以优惠价格”，on sale“降价出售”，可互换（The clothes are on sale=The clothes are at a good price） 物品描述类 too big / too small / just right black and white / of different colors a pair of socks / a piece of clothes 1. 形容词修饰名词放前面（a big T-shirt），too修饰形容词放前面（too small）；2. of different colors“不同颜色的”，作后置定语（shirts of different colors）；3. 量词短语：a pair of+复数（a pair of socks/shoes），作主语时谓语用单数（A pair of socks is 10 yuan） 支付与交易类 pay for sth / pay + 金额 for sth use cash / use a credit card take the things / bag the things 1. pay for sth“为某物付款”，pay + 金额 for sth“花多少钱买某物”（pay 20 yuan for the hat）；2. pay作动词，主语是人（I pay 50 yuan for the dress）；3. use cash“用现金”，use a credit card“用信用卡”，cash不可数；4. take the things“拿好东西”，bag the things“打包东西” 其他常用类 need sth / need to do sth want to buy sth / look for sth in the shop all kinds of / different kinds of 1. need作实义动词，后接名词或to do sth（need a pen，need to buy a bag）；2. want to buy sth“想买某物”，want后接to do；3. all kinds of=different kinds of“各种各样的”，修饰可数复数或不可数名词（all kinds of fruits，all kinds of food） 二、分层练习（基础→提升→拓展） （一）基础题：短语翻译（中英互译，夯实记忆） 1. 去购物 ________________ 2. 多少钱 ________________ 3. 以优惠价格 ________________ 4. 给我妈妈买一件毛衣 ________________ 5. 一双运动鞋 ________________ 6. 为这顶帽子付款 ________________ 7. on sale ________________ 8. different kinds of clothes ________________ 9. pay 30 yuan for the T-shirt ________________ 10. too small for me ________________ （二）提升题：短语填空（用所给短语的适当形式填空，每词限用一次） go shopping, how much, at a good price, buy...for, pay for, on sale, need to, different kinds of, a pair of, too big 1. — ________ is this skirt? — It's 80 yuan. It's ________ now. You can buy it cheap. 2. My sister and I often ________ on weekends. We like buying clothes. 3. My father ________ a watch ________ me yesterday. It's very nice. 4. The shop sells ________ fruits. You can choose your favorite. 5. I ________ buy a new schoolbag. My old one is broken. 6. This coat is ________ for me. Can you give me a smaller one? 7. She wants to buy ________ socks. The red ones look nice. 8. The books are ________. Let's buy some for our study. 9. He ________ 50 yuan ________ the shoes. He thinks they're worth it. （三）拓展题：语境运用（根据句意补全短语，灵活运用） 1. — ________（这些裤子多少钱）? — ________（它们89元）. And they ________（在降价出售）. 2. My mother ________（需要买一些蔬菜）and she plans to ________（去超市购物）this afternoon. 3. I want to ________（给我的朋友买一份礼物）. I hope it's ________（正好合适）for him. 4. The shop has ________（各种各样的帽子）________（不同的颜色）. They are ________（以优惠价格出售）. 5. — ________（你想花多少钱买这件衬衫）? — I want to ________（花不超过100元买它）. 三、举一反三拓展 【短语搭配拓展】“look” 相关短语可用于购物场景，补充常用搭配：look at（看）、look for（寻找）、look nice on sb（某人穿起来好看）请用以上任意两个短语造句：① ________________ ② ________________ 【同义短语替换】 1.go shopping = do some shopping 去购物 → 例：I go shopping on Sundays. = I do some shopping on Sundays. 2.at a good price = on sale 降价出售；优惠 → 例：The shoes are at a good price. = The shoes are on sale. 请将下列句子中的短语替换为同义短语：① My mother goes shopping every morning. → ________________② These apples are at a good price. → ________________ 第二部分 词性转换精讲精练 一、知识点梳理（按规律分类，突破变形难点） 变形类型 例词（Unit 7 重点） 规律总结 名词→复数 sock→socks; shoe→shoes; T-shirt→T-shirts; sweater→sweaters; kind→kinds 1. 一般名词加s（sock→socks, shoe→shoes, kind→kinds）；2. 复合名词T-shirt→T-shirts，复数变化在词尾；3. 常以复数形式出现的名词：socks, shoes, trousers（谓语用复数，The shoes are nice） 动词→过去式 buy→bought; pay→paid; go→went; need→needed; want→wanted 1. 不规则变化：buy→bought, pay→paid, go→went（需特殊记忆）；2. 规则变化：need→needed（加ed）, want→wanted（加ed）；3. 过去式句子中常出现时间状语yesterday, last week等 形容词→比较级 cheap→cheaper; expensive→more expensive; big→bigger; small→smaller; nice→nicer 1. 单音节形容词比较级：一般加er（cheap→cheaper, small→smaller）；重读闭音节结尾双写尾字母加er（big→bigger, thin→thinner）；2. 多音节形容词比较级：加more（expensive→more expensive, beautiful→more beautiful）；3. 比较级常用than连接比较对象（This pen is cheaper than that one） 名词→形容词 color→colorful; price→priceless（拓展）; use→useful; beauty→beautiful 1. 名词加ful变形容词（color→colorful, use→useful, beauty→beautiful）；2. colorful“彩色的”（colorful clothes），useful“有用的”（useful bag）；3. 这类形容词修饰名词放前面 （二）高频易错点提醒 1. how much与how many混淆：how much询问价格或不可数名词数量，how many询问可数名词复数数量（How many socks do you want? 不是how much）； 2. 不规则动词过去式：buy的过去式是bought，不是buyed；pay的过去式是paid，不是payed； 3. 复数名词主谓一致：socks, shoes, trousers等复数名词作主语，谓语用复数（The trousers are too long. 不是is）； 4. 比较级用法：多音节形容词比较级加more，不能直接加er（more expensive，不是expensiver）。 二、分层练习（基础→提升→拓展） （一）基础题：词形变化填空（直接变形，巩固规律） 1. My mother ________（buy）me a new pair of ________（shoe）yesterday. They are red. 2. How much ________（be）these ________（sock）? They look nice. 3. This T-shirt is ________（cheap）than that one. I want to buy the ________（cheap）one. 4. There are many ________（kind）of ________（cloth）in the shop. They are ________（color）. 5. He ________（pay）50 yuan for the sweater last week. He thinks it's ________（use）. 6. The dress is ________（expensive）. I can't afford it. I need a ________（cheap）one 7. She ________（go）shopping with her friend yesterday. She ________（want）to buy a skirt. 8. This bag is ________（big）for me. Do you have a ________（small）one? （二）提升题：语境选择（选择适当形式填空，灵活运用） 1. — How much ________（is / are）the pair of shoes? — It ________（is / are）120 yuan. 2. My sister ________（buy / bought）a sweater yesterday. It's ________（more nice / nicer）than mine. 3. There are ________（kind / kinds）of fruits in the shop. The apples are ________（cheap / cheaper）than the oranges. 4. He ________（pay / paid）60 yuan for the T-shirt. He ________（need / needs）to buy another one for his brother. 5. The clothes in this shop are ________（on sale / in sale）. They are ________（more expensive / less expensive）than those in that shop. 6. — Do you want ________（buy / to buy）a new bag? — Yes, this one is ________（too big / too bigger）for me. 7. These ________（sock / socks）are colorful. I want to buy two ________（pair / pairs）. 8. The skirt ________（look / looks）beautiful on her. It's ________（a little / a few）expensive, but she likes it. （三）拓展题：句型转换（根据要求改写句子，综合运用） 1. The T-shirt is 50 yuan.（对划线部分提问）→ ________ ________ is the T-shirt? 2. She bought a sweater for her mother.（改为同义句）→ She ________ ________ ________ ________ her mother. 3. This bag is cheaper than that one.（改为同义句）→ That bag is ________ ________ than this one. 4. The shoes are on sale.（改为一般疑问句）→ ________ the shoes ________ ________? 5. He needs to buy a pair of socks.（改为否定句）→ He ________ ________ to buy a pair of socks. 三、举一反三拓展 【规律迁移】根据Unit 7形容词比较级的规律，完成下列未学单词的变形： 1.long→________（比较级）; happy→________（比较级）; important→________（比较级）; thin→________（比较级） 2.请用以上比较级单词造句：① This ruler is ________ than that one. ② This task is ________ than that one. 【短语搭配拓展】用词性转换后的单词搭配短语： 1.形容词比较级 + than：cheaper + than（比……便宜）→ bigger + than（比……大）→ ________ + ________（比……漂亮） 2.形容词 + 名词：colorful + clothes（彩色的衣服）→ useful + bag（有用的包）→ ________ + ________（更便宜的帽子） 【答案】 第一部分 核心短语 （一）基础题 1.go shopping / do some shopping 2. how much 3. at a good price 4. buy a sweater for my mother / buy my mother a sweater 5. a pair of sports shoes 6. pay for this hat 7. 降价出售；打折 8. 各种各样的衣服 9. 花30元买这件T恤 10. 对我来说太小了 （二）提升题 1. How much; on sale（解析：询问价格用how much，句首首字母大写；后句“便宜买”提示用on sale“降价出售”） 2. go shopping（解析：“经常周末去购物”，often提示一般现在时，主语my sister and I用原形） 3. bought; for（解析：yesterday提示过去式，buy→bought；“给我买手表”用buy sth for sb） 4. different kinds of（解析：“卖各种各样的水果”，用different kinds of修饰复数fruits） 5. need to（解析：“需要买新书包”，need作实义动词，后接to do sth，主语I用原形） 6. too big（解析：“这件外套对我来说太大”，用too big，后句“要小一点的”呼应） 7. a pair of（解析：“想买一双袜子”，socks常用复数，用a pair of修饰） 8. at a good price（解析：“书很优惠”，用at a good price，后句“买一些”呼应） 9. paid; for（解析：“花50元买鞋子”，结合语境用过去式paid，pay sth for sth为固定搭配） （三）拓展题 1. How much are these trousers; They're 89 yuan; are on sale（解析：询问复数物品价格用how much are，trousers为复数；回答用They're+金额；“降价出售”用are on sale） 2. needs to buy some vegetables; go shopping in the supermarket（解析：“需要买蔬菜”，主语my mother是单数，need→needs，后接to do；“去超市购物”用go shopping in the supermarket） 3. buy a gift for my friend; just right（解析：“给朋友买礼物”用buy a gift for my friend；“正好合适”用just right） 4. all kinds of hats; of different colors; at a good price（解析：“各种各样的帽子”用all kinds of hats；“不同颜色的”作后置定语用of different colors；“以优惠价格”用at a good price） 5. How much do you want to pay for this shirt; pay no more than 100 yuan for it（解析：“想花多少钱买衬衫”用How much do you want to pay for...；“花不超过100元”用pay no more than 100 yuan for it） 第二部分 词性转换 （一）基础题 1. bought; shoes（解析：yesterday提示过去式，buy→bought；a pair of后接shoe的复数shoes） 2. are; socks（解析：these后接sock的复数socks，be动词用are） 3. cheaper; cheaper（解析：than提示比较级，cheap→cheaper；第二空“更便宜的那件”用cheaper） 4. kinds; clothes; colorful（解析：many后接kind的复数kinds；clothes“衣服”常用复数；第三空修饰clothes用形容词colorful） 5. paid; useful（解析：last week提示过去式，pay→paid；第二空修饰it用形容词useful） 6. expensive; cheaper（解析：第一空“连衣裙很贵”用expensive；第二空“需要更便宜的”用cheaper） 7. went; wanted（解析：yesterday提示过去式，go→went，want→wanted） 8. too big; smaller（解析：第一空“包对我来说太大”用too big；第二空“要小一点的”用smaller） （二）提升题 1. is; is（解析：主语a pair of shoes的核心词是pair，为单数，be动词用is） 2. bought; nicer（解析：yesterday提示过去式，buy→bought；nice的比较级是nicer，不是more nice） 3. kinds; cheaper（解析：many后接kind的复数kinds；than提示比较级，cheap→cheaper） 4. paid; needs（解析：结合语境用过去式paid；第二空主语he是单数，need→needs） 5. on sale; less expensive（解析：“降价出售”用on sale，固定搭配；后句“比那家店便宜”用less expensive） 6. to buy; too big（解析：want后接to do sth；“太大”用too big，too后接原级） 7. socks; pairs（解析：these后接sock的复数socks；two后接pair的复数pairs） 8. looks; a little（解析：主语the skirt是单数，look→looks；expensive是形容词，用a little修饰，a few修饰可数名词） （三）拓展题 1. How much（解析：对价格提问用how much，句首首字母大写） 2. bought her mother a sweater（解析：buy sth for sb的同义表达是buy sb sth，过去式bought不变） 3. more expensive（解析：“A比B便宜”的同义表达是“B比A贵”，expensive的比较级是more expensive） 4. Are; on sale（解析：一般疑问句把be动词are提前，on sale保持不变） 5. doesn't need（解析：一般现在时否定句，主语he是单数，加助动词doesn't，need用原形） 学科网（北京）股份有限公司 $