【弯道超车】Unit 3 Jobs 核心语法之情态动词can的用法-2025年沪教版(五四学制)(2024)新七年级英语上册精讲精练 (含答案解析)

/ 让学习更有效 新课备课备考 | 英语学科 / 让学习更有效 新课备课备考 | 英语学科 2025年沪教版（五四学制）（2024）新七年级英语上册精讲精练 Unit 3 Jobs 核心语法：情态动词can的用法 一、基本概念 can是英语中最常用的情态动词之一，表示能力、许可或可能性。情态动词具有以下特点： 后接动词原形 没有人称和数的变化 构成疑问句和否定句时不借助助动词 二、主要用法 用法分类 含义说明 例句展示 表示能力 能够做某事 I can swim very well. 表示许可 可以/允许做某事 You can go home now. 表示可能性 可能发生某事 It can be very cold in winter. 表示请求 礼貌地请求许可 Can I use your pen 三、句型结构 1、肯定句： 主语 + can + 动词原形 + 其他 She can speak three languages. 2、否定句： 主语 + cannot/can't + 动词原形 + 其他 They can't come to the party. 3、一般疑问句： Can + 主语 + 动词原形 + 其他？ Can you help me with this 4、特殊疑问句： 疑问词 + can + 主语 + 动词原形 + 其他？ What can I do for you 四、常见搭配 can see/hear 表示感官能力 I can see a bird in the tree. can help 表示能够帮助 Can I help you can't wait 表示迫不及待 I can't wait to see you. 五、易错点分析 1、第三人称单数加s： She cans play the piano. ( ) She can play the piano. (√) 2、过去式误用： Yesterday I can finish my homework. ( ) Yesterday I could finish my homework. (√) 3、与be able to混淆： I can to swim. ( ) I can swim. (√) I am able to swim. (√) 4、否定形式错误： He can not comes. ( ) He cannot come. (√) He can't come. (√) 1．—Mary, is that Mr. Green —It be him. He has gone to Paris on business. A．may B．must C．can't D．shouldn't 2．You _____ eat in the classroom. A．don’t B．can’t C．not D．no 3．—_____ I borrow your knives —Sorry, you _____. I lent them to Sandy. A．May; can B．Can; could C．Could; can’t D．Could; couldn’t 4．Pigeons _____ fly at speeds of over 100km per hour. That’s as fast as my dad’s car! A．must B．mustn’t C．can D．can’t 5．—_____ I wear a hat in class —No, you can’t. A．Do B．Am C．Can D．Did 6．The boy _____ be Tom. I saw him reading in the library just now. A．shouldn’t B．can’t C．needn’t 7．Lucy is good at basketball. She _____ play basketball very well. A．can B．can’t C．must D．have to 8．—_____ I borrow some books from you —Of course. A．Could B．Can C．A or B 9．— Could I keep the windows _____ There are too many people in the room. — Of course you _____. It is important to let the fresh air in. A．open; could B．closed; can C．open; can D．closed; could 10．—Can you play the guitar, John —Yes, I can. But I _____ sing _____ dance. A．can’t; or B．can; and C．can; or 11．—Can she go out on school nights —No, she _____. And I can’t, either. A．doesn’t B．don’t C．can’t D．isn’t 12．—Can you play the guitar, Mark —Yes, I _____. A．can B．must C．will 13．—Tim, _____ you play the piano —Yes, I can. A．can B．must C．should D．need 14．—_____ you play football —Yes, I can. A．Can B．Do C．Are D．Does 15．—Can you speak English, Lingling —Yes, I _____. A．must B．can C．should 16．—Sam, _____ I join you in the community service —Of co ... ...