Unit 2语法精讲精练-2024-2025学年人教版英语七年级下册

[Unit 2] Grammar Focus 语法精讲 定义 祈使句是表示请求、命令、劝告、建议等的句子。祈使句一般以动词 原形开头，主语为第二人称，通常省略，句末一般是句点或感叹号。 Do型：动词原形(+宾语)+其他成分. Have a seat here, please.请这边坐。 祈使句 肯定句 Be型：Be+表语(名词或形容词)+其他成分. Be a good boy!要做一个好男孩! Let型：Let+宾语+动词原形+其他成分. Let me help you.让我来帮你。 句式结构 Do型和 Be型的否定式都是在句首加 don't。 Don't+ let+宾语+动词原形+其他成分. 否定句 Let型的否定式有两种。 Let+宾语+ not+动词原形+其他成分. Don't let him go.= Let him not go.别让他走。 No smoking! 禁止吸烟! 有些可用 no开头，表示禁止。 No photos!禁止拍照! He can sing. 表示能力，意为“能；会”。 他会唱歌。 can Can I read your book? 表示许可或请求，意为“可以”。 我可以看一下你的书吗? 情态动词 can, 意为“必须；不得不”，侧重指客观上 We have to go home after school. have to和 must have to 的需要。have to有第三人称单数形式， 放学后我们必须回家。 的用法 即 has to，变疑问句和否定句时，要借助 助动词 do/ does。 意为“必须；一定”，表示说话人的主观 看法以及主观上的必要性，也用于表示 ——— Must I get up early?我必须早起吗? must 命令或愿望，没有人称和数的变化。以 ——— No, you needn't.不, 你没有必要。 must开头的一般疑问句，肯定回答用 must, 否定回答用 needn't或 don't/ doesn't have to。mustn't 意为“禁止;不准”。 语法精练 I.单项选择 ( )1.— Lily, we take our mobile phones to school? — — Sorry, you can't. A. do B. must C. can D. need ( )2. Linda, watch too much TV. It's not good for you. A. no B. not C. doesn't D. don't ( )3.— Must the students get up early tomorrow morning? — No, they . A. can't B. needn't C. mustn't D. may not ( )4.— Does your brother have to run for half an hour after school every day? — . He can run three or four times a week. A. Yes, he has B. Yes, he does C. No, he hasn't D. No, he doesn't 学科网（北京）股份有限公司 5.— Allen, would you like to go to the cinema with me on Saturday morning? ( — I'd like to, Nancy, but I help my father wash his car. A. have to B. can C. need D. may 汉译英，词数不限 Ⅱ.1.请每天准时到校。 every day. 2.不要在教室里奔跑。 in the classroom. 3.不要让她在太阳下走路。 walk in the sun. 4.请把你们的手机放到寄物柜里。Please the lockers. 5.禁止游泳！ Ⅲ. 用 can, can't, must, have to 或 don't 填空 1. She is good at English, and she speak it well. 2. You follow these school rules. They are good for you. 3. They go to school by boat because there's no bridge over the river. 4. make so much noise. It's time for class. 5. I'm not good at drawing, so I help you. 根据句意及汉语提示完成句子 1. Put on your seat (安全带) before you drive on the way. 2. My father (离开) home at 7:00 every morning. 3. The shy girl often talks with her classmates (轻声地). 4. Don't make (噪声) in the school library. 5. Susan often (喂养) her pet dog at 5:00 in the afternoon. 综合能力提升 语法选择 Every school has its own rules. How many 1 are there in your school? At some schools,the students 2 wear uniforms on school days. But many students don't want 3 the school uniforms. They think the uniforms are ugly. But the school doesn't allow students to wear 4 own clothes at school. 5 some students draw cartoon characters or famous singer s on their uniforms. They think it is very 6 that all the students wear the same uniforms. But most of the students 7 the rules. It isn't very good that students are wearing differently. 8 do you think of it? Do you think your school is too strict 9 you? I like to wear the uniform because I don't need to spend time thinking about clothes in 10 morning and I won't be late for school. ( )1. A. rule B. rules C. rules’ ( )2. A. can B. must C. may ( )3. A. to wear B. wear C. wearing ( )4. A. their B. they C. them ( )5. A. But B. Because C. So ( )6. A. bored B. boring C. more boring ( )7. A. follow B. follows C. followed ( )8. A. How B. What C. When ( )9. A. with B. in C. to ( )10. A. a B. an C. the 学科网（北京）股份有限公司 $$