1、Unit 4 Do it yourself GrammarI. Teaching aims and learning objectivesBy the end of the lesson, students should be able to:1. learn the usage of the imperative sentences by giving instructions;2. use should or had better when giving advice.II. Teaching contents1. New words and phrases: cut, on the ot
2、her side of2. New structures: Put up a picture on the wall.Dont paint the cat.Please fix the shelf for me.Dont touch the wet paint, please.You should know a little about DIY.You should not put so many books on the shelf.Your watch is broken. You had better buy a new one.You had better not be late fo
3、r school.III. Focus of the lesson and predicted area of difficultyLearn the usage of the imperative sentences by giving instructions.Use should or had better when giving advice.IV. Teaching proceduresA Giving instructionsStep 1 Lead-inFree talkPlease look at the instructions and find out why Andrew
4、isnt good at DIY!T: Today well learn Unit 5Grammar. Look at the screen. When Andrew painted the living room, what did his mum say?S: She said, “Stop it!” (She gave instructions.)Put up a picture on the wallDont hit the pipe. Paint the walls blue.Dont paint the cat. 【设计意图】与本单元 Reading 内容紧密连接，创造学生心中熟悉
5、的场景，引导他们初步接触 Do 型祈使句表达的语气和作用，自然有序地进入语法部分的学习。Step 2 Presentation1. Put the sentence into a suitable picture belowWalk straight Turn rightTurn left2. Guess the meaning of the signsT; Can you guess what these signs mean?Dont smoke Dont talk loudlyDont take photos3. Make a card (1) Please fill in the bl
6、ank according to the sentence meaning and the first letterFirst cut. Next write. Then draw. Finally look.(2) DiscussionT: If you find difficulties in making cards, how will you solve them? Are the following ideas good? Change them!Give up making cards. (Please dont give up.)Seldom try to think of an
7、other way to make it. (Keep trying it in another way.)Just do it without remembering to have all the materials you need nearby. (Dont forget to have all the materials you need nearby before you do it.)(3) Sum up the steps of making cardsT: Do you know how to make cards? Can you sum up the steps?Cut
8、out pieces of card with a pair of scissors.Write some words or a sentence on each card.Draw a picture about the words or sentence on the other side of the card.Look at the picture and try to say what is on the other side.Please dont (not give) up. Keep trying and you will find you can remember thing
9、s better.4. Sum up the structures of imperative sentences Positive imperative sentences: Please do sth; Be+ adj.Negative imperative sentences: Dont do; Dont be Giving instructions to others in a politer way. 【设计意图】将书本 47 页制作卡片的流程转化为肯定祈使句与否定祈使句相互转化的情境，让学生在使用中习得正确的句法结构。最后总结祈使句肯定和否定形式的机构，对前一部分所学内容进行总结和
10、巩固。B Use should and had betterStep 1 Presentation1. Think and answerT: If a teacher said to his students in class, “You must read English more”, “You must use more better words and sentences, or you will never write good articles!, do you think it it polite to say so? How can we make sentences in a
11、politer way? Sometimes ordering others is not a wise choice but giving advice in a polite way is the best! We can change the strong word “must” into “should”. 2. Fill in the blanksT: Help! I know little about DIY. What should I do? S: In order to learn more about it, you had better read more useful
12、books about DIY. You should/had betterT: DIY is not easy. How can we improve our skills? S: Ask others for help. Work harder. Join a DIY club.T: Rewrite these sentences with “should” or “had better”. S: We should/had better ask others for help.We should/had better work harder.We should/had better jo
13、in a DIY club to learn more.T: Can you make such an elephant? Maybe you cant. Before making it, what should we read first? Every time without reading instructions, you shouldnt begin your DIY job.S: Instructions are important.T: What can be dangerous? Scissors can be dangerous. When you do DIY jobs,
14、 you shouldnt play with them. Sometimes itll take time to do a DIY job, you should be patient enough in order to succeed in the end.【设计意图】运用学生日常生活知识，再次强完成事情的先决条件就是要先了解instructions 的具体内容，在操练 should do sth 和 shouldnt do sth 时，告诉学生在指导他人做某事时使用 had better(not) do sth 语气更强。Step 2 Consolidation1. Complete
15、the following sentencesIf you have a fever, you had better not eat or drink If you have a headache, you should take some If you have a stomach, you had better not eat If you have a toothache, you should often brush 2. Offer two tipsBoth of them follows a do behind.Tones (语气 ): had better should 3. P
16、air workT: Something is wrong with the house! Help! Find out what we should change.Problems: The color of the floor doesnt match that of the bed and wall.The light is not in the right place. The wardrobe is not in the right place.Solutions: Change the color into green.Put the light above your bed. P
17、ut the wardrobe in the right place. Rewrite the sentences: Please paint the floor green.You had better/should put the light above your bed.Fix the wardrobe in the corner. You had better/should fix the wardrobe in the corner. / Dont fix the wardrobe in any wrong places.) 【设计意图】通过展示一张装修卧室内部的图片，学生们 2 至
18、 4 人一组，共同积极参与讨论，自主探究作为一名设计师此装修图有何地方需要改善，从而巩固学习本节课所学的肯定或否定祈使句句式、had better(not) do sth 以及 should(not) do sth 结构，体味 had better和 should 的使用场景和表达效果的共同点与不同点， 达到学以致用的目的。V. Homework 1. One of your friends wants to make some sandwiches for Mothers Day. He has never made sandwiches before and wrote you an email and ask for help. Please write a replay and tell him the steps of making sandwiches. Please use imperative sentences and “had better/should” to show the steps and offer advices.2. Preview “Integrated skills”.