江蘇省興化市昭陽湖初級中學八年級英語上冊 Unit 4 Do it yourself Grammar課件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(觀察)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 祈使句表示請求、命令等。它的主語是you（聽話人），通常不說出。祈使句肯定結(jié)構(gòu)中的謂語動詞一律用動詞原形。

3、祈使句末用驚嘆號或句號。 2. 祈使句的結(jié)構(gòu) 1) 祈使句的肯定結(jié)構(gòu) Do型（以行為動詞原形開頭），例如： Sitdown!坐下！ Standup!起立！ Be型（以be開頭），例如： Bequiet!安靜！ Becareful！小心！ Let型（let sb do sth），例如： Letmetry. 讓我試試看。 Letslookatthemap. 讓我們看看地圖。 lets是letus的簡略式。2) 祈使句的否定結(jié)構(gòu)，一律在肯定結(jié)構(gòu)前加Donot(Dont)。例如： Dontgothere, please. 請別去那兒。Dontbelateforclass! 上課別遲到！Dontleth

4、imin.不要讓他進來。 有些可以用No開頭用來表示禁止性的祈使句 如： No smoking!禁止吸煙 No fishing!禁止釣魚 表示請求、勸告的祈使句還常常在句前或句末加上please,構(gòu)成句式：Please 或 , please.以使語氣更加緩和或客氣。例如： Pleasestandup. Standup, please. 請站起來。 Pleasehavearest.Havearest, please. 請休息一下。 祈使句祈使句,無主語,只用動詞原形就可以.表示請求或命令,加上please表客氣。如果變成否定句， Dont開頭是規(guī)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中考鏈接： Kate, _ your homework here tomorrow.A. bring B. brings C. to bring D. bringing有時為了明確的向?qū)Ψ教岢稣埱蠡虬l(fā)出命令，可加人物姓名，但姓名要與句子隔開。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.當我們給他人提建議時，可以用had better和should，表示“最好”或“應該”做某事， had better的語氣比should強一些。You had better turn off the lights before leaving the classroom. 離開教室前你最好先把燈關(guān)了。You should exercise more. 你應該多鍛煉。had better (常簡略為d better)，是一固定詞組，后面必須跟動詞原形。構(gòu)成：had better do sth

9、. 句型。Youd better go to hospital at once. 你最好立即去醫(yī)院看病。 Tom, youd better go there today. 湯姆，你最好今天去那兒。had better 的否定式是將not直接放在had better的后面 (had better not do sth)。 You had better not miss the last bus. 你最好不要錯過末班公共汽車。 should 后面也要跟動詞原形，且沒有人稱和數(shù)的變化。You should stop smoking. 你應該戒煙。should 的否定式是should not/shou

10、ldnt。You shouldnt drink and drive. 你不應該喝酒后開車。 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. 你應該在南京換火車。 _ change trains at Nanjing.2. 你最好在下雨前回家。 _ before the rain starts. 3. 現(xiàn)在你最好別打棒