Unit 4 Grammar 课件 2026-2027学年译林版八年级英语上册

Unit 4 Hands-on fun Grammar 译林版八上 （1）Master the structure and usage of imperative sentences. （2）Learn to use  should (not)  and  had better (not)  to give advice. Learning objectives （3）Develop skills in summarizing grammar rules and applying them via context observation; No swimming 禁止游泳 Lead in 1 No smoking 禁止抽烟 Let's go on a picnic! 让我们一起去野餐吧！ Please hand the tools to me. 请递工具给我 主要特点‌： （1）No swimming （2）Let's go on a picnic! （3）Please hand the tools to me. 表示请求、命令、指令、警告等句子。主语常省略，通常直接以动词原形或“请”等开头 Imperative sentence 祈使句 2 祈使句有什么类型？ 祈 使 句 的 类 型 1.以动词原形开头 2.以 Let 开头,表示请求或建议 3.以 Don't +do开头 4. No +doing ,表示公告警示语 Sit down，please Let's go shopping！ Don't shout! No smoking Exercise 一、翻译 1. Open the door. 2. Be careful. 3. Don't be late. 二、选择题 1.______ with fire. It's very dangerous. A. Doesn't play B. Play C. Don't play ‌ 2. Don't ______ the radio. The baby is sleeping. A. turn off B. turn on C. turn over ‌ ‌ 开门 小心 别迟到 C B Millie is teaching her classmates how to make flashcards to help them remember things better. Look at the pictures and help Millie complete the sentences. A1 P54 A1 Cut Write Draw Look try don’t give Keep cut ... out of ... 用……材料剪出…… on the other side of ... 在……的另一边 继续努力 Using should and had better 3 You had better not say that. 你最好别说这话。 Hei, bajie you should eat less. should +do 应该..... had better +（not） do 最好（不）做.... You should know a little about DIY. 你应该要了解一些DIY的事情。 You should not put so many books on the shelf. 你不应该把那么多书都放在书架上。 Your watch is broken. You had better buy a new one. 你的手表坏了，最好买个新的哦。 You had better not be late for school. 你最好不要迟到。 shouldn't 'd better 'd better not should not = shouldn't 不应该 had better = 'd better had better not = 'd better not 最好不 缩写 www.21cnjy.com Suzy is giving DIY advice to her classmates. Read the advice below. Help Suzy make sentences with should (not) or had better (not). Make the sentences with should(not) or had better (not). 1 There are many useful books about DIY. ______________________________________________________________ 2 DIY is not always easy. ______________________________________________________________ 3 Instructions are important. ______________________________________________________________ a begin your work without reading them b join a DIY club to learn more about it c read them slowly and carefully d be patient e be careful when you use it f buy some to learn more about it g play with them when you do DIY jobs You should/had better buy some to learn more about it. You should/had better be patient. You should not/had better not begin your work without reading them. 练习 Suzy is giving DIY advice to her classmates. Read the advice below. Help Suzy make sentences with should (not) or had better (not). Make the sentences with should(not) or had better (not). 4 Scissors can be dangerous. ______________________________________________________________ 5 Sometimes it takes time to do a DIY job. ______________________________________________________________ 6 Glue can hurt your skin and eyes. ______________________________________________________________ 7 Instructions can be difficult to understand. ______________________________________________________________ You should/had better be careful when you use it. You should/had better be patient. You should/had better be careful when you use it. You should/had better read them slowly and carefully. 1. You'd better ______wine because you have to drive back home! A.not drink B.don't drink C.not to drink D.not drinking 2.You_____talk to the old woman like that. You must learn to be polite to old people. A.had better B.should C.shouldn't D.must A C Exercise 4 1. We should_________(show) our love to people in need. 2. We’d better_________(have) breakfast this morning. 3. Sally should _________ (not buy) the more expensive one. We haven't enough money. 4. Shopping online is fast and easy, but you’d better_________ (not be) crazy about it. 5.--Should I _____(go) to the park with my friends? --No, you shouldn’t. show have not buy not be go Exercise 4 Summary 5 祈使句：主语常省略，通常直接以动词原形或“请”等开头。表示请求、命令、指令、警告等句子。 should +do 应该..... had better +（not） do 最好（不）做.... Homework 6 1.抄写语法笔记 2. 完成练习册相关练习 Lavf57.62.100 $