江苏省兴化市昭阳湖初级中学八年级英语上册 Unit 4 Do it yourself Grammar课件1

1、Unit 4 Do it yourselfGrammar AGuessing GameDont smoke!No smoking!Guessing GameDont play football!Turn left.Guessing GameTurn right!Guessing GameGuessing GameDont park your car!Guessing GameDont eat!Guessing GameDont pick the flowers!Be quiet, please.Dont make any noise.Guessing Game Go upstairs!Gues

2、sing GameGuessing Game Go downstairs!Read and observe(观察)Turn left.Turn right! Please go upstairs! Go downstairs!Be quiet,please.Dont smoke!Dont play football!Dont park your car!Please dont eat!Dont pick the flowers!1. 祈使句(Imperative Sentence)的概念 祈使句表示请求、命令等。它的主语是you（听话人），通常不说出。祈使句肯定结构中的谓语动词一律用动词原形。

3、祈使句末用惊叹号或句号。 2. 祈使句的结构 1) 祈使句的肯定结构 Do型（以行为动词原形开头），例如： Sitdown!坐下！ Standup!起立！ Be型（以be开头），例如： Bequiet!安静！ Becareful！小心！ Let型（let sb do sth），例如： Letmetry. 让我试试看。 Letslookatthemap. 让我们看看地图。 lets是letus的简略式。2) 祈使句的否定结构，一律在肯定结构前加Donot(Dont)。例如： Dontgothere, please. 请别去那儿。Dontbelateforclass! 上课别迟到！Dontleth

4、imin.不要让他进来。 有些可以用No开头用来表示禁止性的祈使句 如： No smoking!禁止吸烟 No fishing!禁止钓鱼 表示请求、劝告的祈使句还常常在句前或句末加上please,构成句式：Please 或 , please.以使语气更加缓和或客气。例如： Pleasestandup. Standup, please. 请站起来。 Pleasehavearest.Havearest, please. 请休息一下。 祈使句祈使句,无主语,只用动词原形就可以.表示请求或命令,加上please表客气。如果变成否定句， Dont开头是规律。Millie is teaching her

5、classmates how to make cards to help them remember things better. Look at the pictures and help Millie complete the instruction. How to make cards_ out pieces of card with a pair of scissors.Cut cut draw give keep look try write_ some words or a sentence on each card.Write cut draw give keep look tr

6、y write_ a picture about the words or sentence on the other side of the card.Draw cut draw give keep look try write_ at the picture and _ to remember what is on the other side.Look try cut draw give keep look try writePlease _ (not) up. _ trying, and you will find you can remember things better. don

7、t give Keep cut draw give keep look try write中考链接： Kate, _ your homework here tomorrow.A. bring B. brings C. to bring D. bringing有时为了明确的向对方提出请求或发出命令，可加人物姓名，但姓名要与句子隔开。Grammar Be.g. You should know a little about DIY. You should not put so many books on the shelf. Your watch is broken. You had better

8、buy a new one. You had better not be late for school.当我们给他人提建议时，可以用had better和should，表示“最好”或“应该”做某事， had better的语气比should强一些。You had better turn off the lights before leaving the classroom. 离开教室前你最好先把灯关了。You should exercise more. 你应该多锻炼。had better (常简略为d better)，是一固定词组，后面必须跟动词原形。构成：had better do sth

9、. 句型。Youd better go to hospital at once. 你最好立即去医院看病。 Tom, youd better go there today. 汤姆，你最好今天去那儿。had better 的否定式是将not直接放在had better的后面 (had better not do sth)。 You had better not miss the last bus. 你最好不要错过末班公共汽车。 should 后面也要跟动词原形，且没有人称和数的变化。You should stop smoking. 你应该戒烟。should 的否定式是should not/shou

10、ldnt。You shouldnt drink and drive. 你不应该喝酒后开车。 DIY adviceSuzy is giving DIY advice to her classmates. Read the advice below. Help Suzy make sentences with should (not) or had better (not). a begin your work without reading them b join a DIY club to learn more about it c be patient d buy some to learn

11、 more about it e play with them when you do DIY jobs1. There are many useful books about DIY.You should / had better buy some to learn more about it.2. DIY is not easy.You should/ had better join a DIY club to learn more about it.You shouldnt / had better not begin your work without reading them.3.

12、Instructions are important.You should / had better be careful when you use them.4. Scissors can be dangerous. You should/ had better be patient. 5. Sometimes itll take time to do a DIY job.on the roadin class1. Jim, _ me a hand. A. gives B. is giving C. will give D. give2. _ careful, Jenny! There is

13、 a tree in front of you. A. Am B. / C. Be D. Was3. Lets _ our time. A. not waste B. no wasting C. not to waste D. no waste4. _ higher, and you will see the house. OK. A. If you stand B. To stand C. When you stand D. StandExercises:5. Please _ do it. A. he B. let him C. let he D. him6. _ let anyone open the door. A. Dont B. Will C. Not D. No7. Dont be late again. Sorry, _. A. I may B. I must C. I will D. I wont8. Call me when you get home. OK, _. A. I must B. I can C. I will D. I mayExercises:II. 完成句子。1. 你应该在南京换火车。 _ change trains at Nanjing.2. 你最好在下雨前回家。 _ before the rain starts. 3. 现在你最好别打棒