Unit 2 No Rules 单元语法讲练与单元话题写作指导 2025-2026学年人教版英语七年级下册

单元语法精讲精练 单元语法精讲 一、祈使句 1. 定义:祈使句是用来表达命令、请求、安慰、劝告、建议、警告、禁止等的句子。 1. 句型结构 类别 结构 示例 肯定形式 Do 型 动词原形( + 其他). Close the window, please. 请关上窗户。 Be 型 Be + 形容词/名词(+其他). Be quiet! 安静! Let 型 Let + 宾格 + 动词原形(+其他). Let me open it. 让我来打开它吧。 否定形式 Don't 型 Don't + 动词原形(+其他). Don't do that! 别那样做! No 型 No + 名词/动名词. No smoking! 禁止吸烟! Never 型 Never + 动词原形(+其他). Never swim in the river! 别在河里游泳! Let 型 Let + 宾格 + not + 动词原形( + 其他).Don't + let + 宾格 + 动词原形(+其他). Let's not talk in class. 咱们上课别讲话。Don't let him go! 别让他走! 二、情态动词 1. 定义:情态动词用来表示说话人的情绪、语气和态度,如请求、许可等。 2.特征:(1)情态动词后接动词原形;(2)情态动词一般没有人称和数的变化,have to 除外。 1. 情态动词 can/must/have to 的用法 情态动词 含义及用法 示例 can 肯定形式 ①表示能力,意为“能,会”②表示请求,意为“可以” I can sing well.我唱歌唱得很好。Can I borrow your pen?我可以借用你的钢笔吗? 否定形式 can’t 意为“不可能”,用于否定句,表示猜测 That can’t be John. He’s in Paris.那不可能是约翰。他在巴黎。 must 肯定形式 ①表示命令,意为“必须”②表示非常有把握的推测,意为“一定” You must do your homework.你必须做家庭作业。You must be tired.你肯定累了吧。 否定形式 mustn’t 表示“禁止” You mustn’t park here.禁止在此处停车。 have to 肯定形式 意为“不得不” She has to practise the piano every day.她不得不每天练习钢琴。 否定形式 don’t have to 意为“不必” We don’t have to leave.我们不必离开。 注意 1. 回答由 must 引导的一般疑问句,肯定回答用 must 表示“必须”,否定回答用 needn’t 或 don’t have to 表示“不必”: —Must she do her homework today? 她必须今天 做家庭作业吗? —Yes, she must. / No, she doesn’t have to/needn’t. 是,她必须今天做。/不,她不必今天做。 2.must表示主观需要或有必要做某事,无人称、时态和数的变化。have to强调客观需要,有人称、时态和数的变化。 单元语法精练 用括号内所给词的适当形式填空。 1. The sign means “No _ (photo)”. 1. —Please _ (be) quiet when you are in the library. —All right. 1. “Please be quiet. No _ (talk)!” says our Chinese teacher. 1. _ (put) your hands on your head, everyone! 1. We have to _ (arrive) at school at 7:50 on Monday morning. 1. _ (not swim) in the river. It’s not safe. 1. Let him _ (go) to the playground with you. 语法拓展训练——回归教材 阅读短文,在空白处填入一个适当的单词或用括号内所给词的正确形式填空,使短文通顺、连贯。(共10小题,每小题10分,共100分) Dear Dr Know, Help! There are too many rules in my life! Every morning, I have to make 1. _ (I) bed before breakfast. I have to hurry to school 2. _ I can’t be late for school. When I’m at school, I mustn’t use my phone in class either. And I have to wear the uniform. After school, there are even more rules! I have to finish my homework 3. _ (one). I can only play basketball after I practise the piano. I can’t hang out with my friends on 4. _ (weekday). I know some rules are important, but this is awful! What can I do? Yours, Alice Dear Alice, Yes, there are many rules in life! But they can help you to become a 5. _ (good) person. You mustn’t be late for class. That shows respect for your class and teacher. You can’t use your phone in class because you need to focus 6. _ learning. You have to wear a uniform because it 7. _ (build) school spirit. You can also think about the 8. _ (thing) you can do! You can use your phone at home. You can 9. _ (relax) after you finish your homework. And you can hang out with friends at weekends! I know it’s hard, but rules can help 10. _ (make) the world better. Remember: No rules, no order! Best, Dr Know 单元话题写作指导 [单元话题分析] 本单元我们主要学习了如何使用祈使句来表示请求、命令、劝告、警告和禁止等。祈使句不仅仅是英语的一个语法现象,它在我们的日常生活中也使用得非常普遍。同时,对于同学们来说,写作中祈使句的出现频率也是很高的。大家要通过本单元的学习来用祈使句和情态动词谈论规章制度,并且掌握情态动词 can, must 和 have to 的用法和意义。 [话题写作指导] 话题词汇必备 单词必备 1. 1. rule 规则; 规章 1. follow 遵循; 跟随 1. arrive到达 1. 1. uniform 校服; 制服 1. litter 乱扔 1. polite 有礼貌的 1. 1. respect 尊敬 1. leave 离开 1. absent缺席 1. 1. practise 训练; 练习 1. awful糟糕的;讨厌的 1. become 变成 1. 1. relax 放松 14.advice 建议;意见 短语必备 1. be late (for) 迟到 1. on time 按时 1. wear school uniforms 穿校服 1. keep/be quiet 保持安静 5.must do sth. 必须做某事 1. have to do sth. 不得不做某事 1. follow the rules 遵守规定 1. turn off 关掉 1. jump the queue 插队 10.wait for等待 1. be absent from 缺席;不在 12.make sb.’s/the bed 铺床 1. hang out 闲逛; 常去某处 话题句子必备 1. Don’t be late for school. 上学不要迟到。 1. Wear the school uniform. 穿校服。 1. Be polite and treat everyone with respect. 要有礼貌,互相尊重。 1. Put up our hand if you want to ask your teacher a question. 如果你想问你的老师一个问题,请举手。 1. We can’t bring our mobile phones to class. 我们不能带手机去上课。 1. We have to eat in the dining hall. 我们必须在食堂吃饭。 1. In the library, we must keep quiet. 在图书馆里,我们必须保持安静。 [话题佳作欣赏] 话题范文必备 范文赏析 I'm Li Hua. I'm glad to share something about school rules with you. First, don't arrive late for class. Second, we must say hello to them when we meet our teachers. Third, we have to keep our classroom clean and tidy. Besides, don't eat in the classroom. And don't listen to music in the classroom. What's more, we can't take our mobile phones to class. And we should go home on time after school. Everyone must follow the rules. In a word, school rules are important. I like my school rules because they help me to become a better person. ①First, Second, Third, What's more 表示顺序的词汇的运用,清楚地说明了学校的规则,使文章清晰明了。 ②must, have to, can, should 等情态动词的使用,体现了规则的执行程度,也体现了作者对情态动词的熟练应用。 ③when 引导的时间状语从句,指出要尊敬师长。 ④because 引导的原因状语从句,说明制定学校规则的重要性以及必要性。 [佳作译文] 我是李华。我很高兴和你分享一些关于校规的事情。 首先,上课不要迟到。其次,当我们遇到老师时,我们必须向他们问好。第三,我们必须保持教室干净、整洁。此外,不要在教室里吃东西。而且不要在教室里听音乐。更重要的是,我们不能带手机去上课。放学后我们应该准时回家。每个人都必须遵守这些规则。 总之,校规是重要的。我喜欢我的校规,因为它们帮助我成为一个更好的人。 [话题写作训练] “早上吃饭了吗?按时睡觉了吗?原谅我只懂这样参与你生活”“你的嘘寒问暖,我知道是为我好的,但又让我觉得,我不曾被信任着……”春晚一首《是妈妈是女儿》把观众感动得泪如雨下。父母对我们的爱有很多种,为我们制定一些家规也是爱的表现形式,这些家规能帮助我们养成良好的习惯。请以“My family rules”为题用英语写一篇短文。 内容包括: 1. 你父母为你制定的家规有哪些; 1. 这些家规对你有什么影响。 要求: 1. 文中不要出现真实的人名、地名和校名;2. 70词左右,开头已给出,不计入总词数。 思路点拨 1. 体裁:说明文 1. 时态:主要使用一般现在时 1. 人称:主要使用第一人称和第三人称 1. 框架结构: 写作练习 My family rules A family needs rules. My parents make rules for me, too._ _ 学科网(北京)股份有限公司 $