Unit 4 Hands-on fun Grammar课文要点讲义2026-2027学年译林版八年级英语上册

本讲义聚焦初中英语Unit 4语法要点，系统梳理祈使句（肯定、否定、礼貌、建议形式）和should/had better的用法，通过例句解析、功能对比搭建学习支架，从基础构成延伸至实际应用，衔接高频短语与综合练习。 该资料以“规则讲解+情境例句+分层练习”设计，通过对比祈使句不同形式及should/had better语气差异培养思维品质，多样题型提升语言应用能力。课中辅助教师互动教学，课后助力学生自主练习查漏补缺，发展学习能力。

Unit 4 Hands-on fun Grammar 【语法要点】 A Imperative sentences 祈使句 1. Please hand the tools to me. 请把工具递给我。 - Please 加在句首或句末使指令更有礼貌 - hand v. 递，交给 - e.g. ____________ hand the tools to me. 2. Make sure pieces of the same size are in the same group. 确保相同尺寸的部件在同一个组里。 - Make sure 确保（祈使句，以动词原形开头） - e.g. ____________ sure pieces of the same size are in the same group. 3. Don't mix them up. 别把它们弄混了。 - Don't + 动词原形 祈使句的否定形式 - mix up 弄混 - e.g. ____________ mix them up. 4. Let's put the pieces of wood together. 让我们把木板组装在一起吧。 - Let's + 动词原形 表示建议一起做某事 - put together 组装，拼接 - e.g. ____________ put the pieces of wood together. 5. We start a sentence with the base form of a verb when we want to tell people what to do. 当我们想告诉人们做什么时，我们用动词原形开头句子。 - base form 动词原形 - e.g. We start a sentence with the ____________ form of a verb. 6. We add Don't before a verb when we want to tell people not to do something. 当我们想告诉人们不要做某事时，我们在动词前加 Don't。 - e.g. We add ____________ before a verb. 7. We often add Please in a sentence to make an instruction more polite. 我们常在句子里加 Please 使指令更有礼貌。 - e.g. We often add ____________ in a sentence. 8. We can use Let's when we want to suggest doing something together. 当我们想建议一起做某事时，我们可以用 Let's。 - e.g. We can use ____________ when we want to suggest doing something together. 9. Cut cards out of pieces of paper with a pair of scissors. 用剪刀把纸剪成卡片。 - cut out 剪出 - a pair of scissors 一把剪刀 - e.g. ____________ cards out of pieces of paper. 10. Draw a picture to show the words or sentence on the other side of the card. 在卡片的另一面画一幅图来展示单词或句子。 - draw v. 画 - e.g. ____________ a picture on the other side of the card. 11. Keep trying and you will find you can remember things better. 继续尝试，你会发现你能更好地记忆事物。 - keep doing 继续做某事 - e.g. ____________ trying and you will find you can remember things better. 12. Write the word or sentence on one side of the card. 在卡片的一面写下单词或句子。 - write v. 写 - e.g. ____________ the word or sentence on one side of the card. 【祈使句小结】 肯定祈使句 动词原形 + ... Hand the tools to me. 否定祈使句 Don't + 动词原形 + ... Don't mix them up. 礼貌祈使句 Please + 动词原形 + ... Please hand the tools to me. 建议祈使句 Let's + 动词原形 + ... Let's put the pieces together. B Using should and had better 1. We'd better clean the bird box first. 我们最好先把鸟屋清理干净。 - We'd better = We had better 我们最好（后接动词原形） - had better 最好（表示建议，语气较强） - e.g. We'd ____________ clean the bird box first. 2. Now you should mix the paint well. 现在你应该把油漆搅拌均匀。 - should 应该（表示建议，语气较弱） - mix...well 搅拌均匀 - e.g. You ____________ mix the paint well. 3. You'd better not get too much paint on the brush. 你最好别在刷子上蘸太多油漆。 - had better not + 动词原形 最好别做某事 - e.g. You'd ____________ not get too much paint on the brush. 4. You shouldn't go too fast. 你不应该太快。 - shouldn't = should not 不应该 - e.g. You ____________ go too fast. 5. We use should and had better when giving advice and telling people what we think is best or the right thing to do. 我们提出建议、告诉人们我们认为最好或正确的事时，用 should 和 had better。 - advice n. 建议（不可数名词） - e.g. We use ____________ and had better when giving advice. 6. You should buy some to learn more about it. 你应该买一些来了解更多。 - buy some 买一些 - e.g. You ____________ buy some to learn more about it. 7. You should join a DIY club to learn more about it. 你应该加入DIY俱乐部来了解更多。 - join a club 加入俱乐部 - e.g. You should ____________ a DIY club to learn more about it. 8. You shouldn't begin your work without reading them. 你不应该不读它们就开始你的工作。 - begin v. 开始（= start） - e.g. You ____________ begin your work without reading them. 9. You'd better read them slowly and carefully. 你最好慢慢仔细地阅读它们。 - carefully adv. 仔细地（由careful + -ly构成） - e.g. You'd ____________ read them slowly and carefully. 10. You should be patient. 你应该有耐心。 - patient adj. 耐心的（→ patience n. 耐心） - e.g. You should be ____________. 11. You should be careful when you use it. 你使用它时应该小心。 - careful adj. 小心的（→ carefully adv. 小心地） - e.g. You should be ____________ when you use it. 12. You'd better not play with them when you do DIY jobs. 你做DIY工作时最好别玩它们。 - play with 玩耍 - e.g. You'd ____________ not play with them. 【should / had better 小结】 should 应该（语气较弱） shouldn't (should not) You should mix the paint. had better 最好（语气较强） had better not You'd better not go too fast. 【高频短语汇总】中英互译 1. base form ____________ 2. ____________ 动词原形 3. mix up ____________ 4. ____________ 弄混 5. cut out ____________ 6. ____________ 剪出 7. put together ____________ 8. ____________ 组装，拼接 9. keep doing ____________ 10. ____________ 继续做某事 11. mix...well ____________ 12. ____________ 搅拌均匀 13. give advice ____________ 14. ____________ 提出建议 15. be patient ____________ 16. ____________ 有耐心 17. be careful ____________ 18. ____________ 小心 综合练习 一、单项选择 ( ) 1. ____________ hand the tools to me. A. Not B. Don't C. Please D. Let's ( ) 2. ____________ mix them up. A. Not B. Don't C. Please D. Let's ( ) 3. ____________ put the pieces of wood together. A. Not B. Don't C. Please D. Let's ( ) 4. We add ____________ before a verb when we want to tell people not to do something. A. Please B. Let's C. Don't D. Should ( ) 5. We often add ____________ in a sentence to make an instruction more polite. A. Don't B. Please C. Let's D. Should ( ) 6. We'd ____________ clean the bird box first. A. should B. better C. best D. rather ( ) 7. You ____________ mix the paint well. A. should B. had better C. would D. could ( ) 8. You'd better ____________ get too much paint on the brush. A. not B. no C. don't D. never ( ) 9. You ____________ go too fast. A. should B. shouldn't C. had better D. better not ( ) 10. We use ____________ when giving advice. A. should B. had better C. both A and B D. neither 二、用所给词的适当形式填空 1. ____________ (Please) hand the tools to me. 2. ____________ (Don't) mix them up. 3. ____________ (Let's) put the pieces of wood together. 4. We add ____________ (Don't) before a verb when we want to tell people not to do something. 5. We often add ____________ (Please) in a sentence to make an instruction more polite. 6. We'd better ____________ (clean) the bird box first. 7. You should ____________ (mix) the paint well. 8. You'd better not ____________ (get) too much paint on the brush. 9. You shouldn't ____________ (go) too fast. 10. You should ____________ (be) patient. 三、用祈使句完成下列句子 1. ____________ (hand) the tools to me. 2. ____________ (mix) them up. (否定) 3. ____________ (put) the pieces of wood together. (建议一起做) 4. ____________ (cut) cards out of pieces of paper. 5. ____________ (draw) a picture on the other side of the card. 6. ____________ (keep) trying and you will find you can remember things better. 7. ____________ (write) the word or sentence on one side of the card. 8. ____________ (make) sure pieces of the same size are in the same group. 9. ____________ (be) careful when you use scissors. 10. ____________ (not, forget) to read the instructions first. 四、用should, shouldn't, had better或had better not填空 1. You ____________ mix the paint well. 2. You ____________ go too fast. 3. You'd ____________ clean the bird box first. 4. You'd ____________ not get too much paint on the brush. 5. You ____________ join a DIY club to learn more about it. 6. You ____________ begin your work without reading the instructions. 7. You'd ____________ read them slowly and carefully. 8. You ____________ be patient. 9. You ____________ be careful when you use it. 10. You'd ____________ not play with them when you do DIY jobs. 答案 一、单项选择 1. C 2. B 3. D 4. C 5. B 6. B 7. A 8. A 9. B 10. C 二、用所给词的适当形式填空 1. Please 2. Don't 3. Let's 4. Don't 5. Please 6. clean 7. mix 8. get 9. go 10. be 三、用祈使句完成下列句子 1. Hand 2. Don't mix 3. Let's put 4. Cut 5. Draw 6. Keep 7. Write 8. Make 9. Be 10. Don't forget 四、用should, shouldn't, had better或had better not填空 1. should 2. shouldn't 3. better 4. better 5. should 6. shouldn't 7. better 8. should 9. should 10. better 1 学科网（北京）股份有限公司 $