Unit5知识点 Grammar- 2025-2026学年译林版英语七年级下册

七年级英语下册Unit5知识点-Grammar语法 学习目标 1. 掌握形容词的两种用法：放在名词前作定语，放在系动词后作表语。 2. 掌握常见系动词（be, look, feel, sound, taste, smell, become, get, turn 等）的用法。 3. 掌握情态动词 can/could 表示“能力”的用法（can 表现在，could 表过去）。 4. 掌握情态动词 can/could/may 表示“请求或许可”的用法，并能区分语气强弱。 5. 能在具体语境中正确运用形容词和情态动词。 第一部分：形容词的用法 一、什么是形容词？ 形容词用来描述人或事物的特征，如大小、颜色、形状、性质等。 例句： - He has short hair and long legs. （他头发很短，腿很长。——作定语） - It has two big ears. （它有两只大耳朵。——作定语） - He is very happy today. （今天他很开心。——作表语） - Beijing opera is famous all over the world. （京剧在全世界都很有名。——作表语） 二、形容词的两种位置 请根据规则补全下列填空。 规则1：形容词可以放在 ________ 前，充当定语。 - a cute cat - long ears - brown fur 规则2：形容词可以放在 ________ 后，充当表语。 - The cat looks cute. - The leaves turn brown. - She feels tired. 三、常见的系动词 除了 be 动词，以下动词也可以作系动词，后面接形容词： 系动词 含义 例句 look 看起来 The cat looks cute. feel 感觉 I feel happy. sound 听起来 The music sounds beautiful. taste 尝起来 The food tastes delicious. smell 闻起来 The flowers smell sweet. become 变得 He becomes excited. get 变得 It gets dark. turn 变得（颜色变化） Leaves turn yellow. 挖空练习：用所给形容词的适当形式填空（注意位置）。 1. The rabbit has ________ (long) ears. 2. The dog looks ________ (brown). 3. She feels ________ (tired) after the long walk. 4. This is a ________ (cute) cat. 5. The soup tastes ________ (delicious). 第二部分：情态动词 can/could/may 一、can/could 表示“能力” - can 表示现在的 ability（能力）。 - could 表示过去的 ability（能力）。 结构公式： - 肯定句：主语 + can/could + 动词原形 - 否定句：主语 + can/could + not + 动词原形（cannot/can't, could not/couldn't） - 疑问句：Can/Could + 主语 + 动词原形？ 例句： - He can speak good English. （他英语讲得很好。——现在的能力） - Sandy cannot dance. （桑迪不会跳舞。——现在的能力） - The old man could swim across the river when he was young. （这位老人年轻时能游过这条河。——过去的能力） - My cat can't jump high now, but when she was young, she could jump really high. （我的猫现在跳不高，但小时候能跳得很高。） 注意：be able to 也可以表示能力，be 动词根据时态变化。 - He is able to speak English. - She was able to swim when she was five. 挖空练习：用 can, can't, could, couldn't 填空。 1. — ________ your parrot talk? — No, she ________. 2. When I was five, I ________ read, but I ________ write. 3. She ________ play the piano very well now. 4. He ________ run fast when he was young, but now he ________. 二、can/could/may 表示“请求或许可” 这三个词都可以用来请求允许或给予许可，但语气不同： 情态动词 语气 例句 can 最口语化，随便 Can I use your pen? could 比 can 更委婉、礼貌 Could I play with your dog? may 最正式，礼貌 May I ask you some questions? 回答时： - 肯定回答常用：Yes, you can. / Yes, you may.（may 更正式） - 否定回答常用：Sorry, you can't. / No, you may not. 例句： - — Could I play with your dog? — Yes, you can. （是的，你可以。） - — May I feed your goldfish? — Sorry, I'm afraid you can't. （对不起，恐怕不行。） 挖空练习：用 can, could, may 填空（注意语气）。 1. — ________ I use your phone? — Sure, here you are.（口语化） 2. — ________ I have a look at your photos? — Of course.（礼貌请求） 3. — ________ I come in? — Yes, please.（正式场合） 第三部分：配套练习 A. 单项选择 ( ) 1. The cat looks _______. It's sleeping.  A. tired B. happily C. tiredly D. happy ( ) 2. This is a _______ story. I like it very much.  A. interested B. interesting C. interest D. interests ( ) 3. — _______ I ask you a question? — Yes, you may.  A. Can B. Could C. May D. All of the above ( ) 4. When I was six, I _______ ride a bike, but now I _______.  A. can't; can B. couldn't; can C. can; couldn't D. could; can't ( ) 5. The flowers _______ sweet.  A. smell B. look C. taste D. sound B. 用所给形容词的适当形式填空 1. The rabbit has ________ (long) ears. Its ears are ________ (long). 2. This is a ________ (cute) dog. It looks ________ (cute). 3. She feels ________ (tired) after the game. 4. The soup tastes ________ (delicious). 5. Leaves turn ________ (brown) in autumn. C. 完成关于宠物的短文（用方框中的形容词） brown clever happy hungry special tired I have a (1) ________ mouse. She likes to play with me. When she gets (2) ________, she sleeps in the corner of her cage. She makes a soft sound when she is (3) ________. My grandma has a pet pig. He is a (4) ________ friend of mine. He is very (5) ________ and knows his name. He runs over to see me when I call him. He is (6) ________ all the time. D. 用 can, can't, could, couldn't 填空 1. — ________ your parrot talk? — No, she ________ talk, but she ________ do tricks. 2. When my dog was young, he ________ jump really high, but he ________ now because he's old. 3. I ________ swim when I was five, but now I ________ swim very well. 4. — ________ I play with your dog? — Yes, you ________. E. 完成对话（用 can, could, may） Millie is talking to Mr Wu about pets. Complete their conversation. Millie: Mr Wu, do you have any pets? Mr Wu: Yes, I do. I have a cat called Fuzzy. Millie: Oh, that's nice. (1) ________ she do any tricks? Mr Wu: No, she (2) ________ do any tricks, but she (3) ________ run after a ball. Millie: That's cute. My aunt has a dog. When he was young, he (4) ________ jump really high, but he (5) ________ now because he's a little old. Mr Wu: Dogs are great pets too. Millie: Yes, they are. (6) ________ I write about my aunt's dog for my homework? Mr Wu: Yes, you may. F. 翻译句子 1. 这只猫看起来很可爱。 → The cat ________ ________. 2. 她有一头长发。 → She has ________ ________. 3. 我五岁时就能游泳了。 → I ________ ________ when I was five. 4. 请问我可以借一下你的钢笔吗？ → ________ I borrow your pen, please? 5. 这音乐听起来很美。 → The music ________ ________. 参考答案 A. 单项选择 1. A（looks tired 看起来累了） 2. B（interesting story 有趣的故事） 3. D（三个都可以，但语气不同） 4. B（过去不会，现在会） 5. A（smell sweet 闻起来香） B. 形容词填空 1. long; long 2. cute; cute 3. tired 4. delicious 5. brown C. 短文填空 1. special 2. tired 3. hungry 4. clever 5. brown 6. happy D. can/could 填空 1. Can; can't; can 2. could; can't 3. couldn't; can 4. Can/May; can/may E. 对话填空 1. Can/Could/May 2. can't 3. can 4. could 5. can't 6. Can/Could/May F. 翻译 1. looks cute 2. long hair 3. could swim 4. Can/Could/May 5. sounds beautiful 1 学科网（北京）股份有限公司 $