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1、Grammar,Unit 4 Do it yourself,Turn left!,Traffic signs,Turn right!,Walk on the zebra crossing!,Traffic signs,Dont park your car!No parking！,Traffic signs,Walk!,Dont walk!,Wear school uniforms!,Dont drop litter carelessly!,Listen to the teacher carefully!Write down notes!,Dont talk!Dont be late for c
2、lass!,Play with each other！Dont fight！,Read and observe,Turn left!,Turn right!,Walk on the zebra crossing!,Dont walk!,Dont park your car!,Dont be late for class！,They are all imperative sentences.（祈使句）,The structures of imperatives Do sth Dont do sth.,肯定：,否定：,Draw the conclusion,Pair workOne student
3、 gives an instruction， the other acts it out.,CompetitionFour students in one group. The teacher will give some instructions, then the group will act out. If theres a loser, he /she will give the next instruction.,Sit down. Dont sit down.Stand up. Dont stand up.Open your mouth. Dont open your mouth.
4、Put up your hands. Dont put up your hands.,How to give advice?,肯定 should do sth had better do sth 否定 should not do sht had better not do sth Tones: had better should,Park your bike here.You should park your bike here. You had better park your bike here.,Dont smokeNo somking！You should not smoke!You
5、had better not smoke！,Be quiet, please.You should be quiet.You had better be quiet.,Lets do exercises.,Cut,Write,Draw,Look at,try,dont give,Keep,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 more about it e play with them when you do
6、 DIY jobs,1. 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. Instructions are important.,You shoul
7、d / 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.,1. Will you please read it again more slowly? (改为祈使句)_ _ again more slowly, please.2. If you dont listen to me, Ill go. (改为同义句) _ _ me, or Ill go
8、.3. The teachers often tell the students not to be careless.(改为祈使句)_ _ careless, please.4. Please sit next to Nancy.(改为否定句)_ _ next to Nancy.,Read it,Listen to,Dont be,Dont sit,Exercises:,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. 现在你最好别打棒球了。 _ _ _ _
9、_ baseball now.4. 不要把金鱼放在阳光下。 _ _ the goldfish in the sun.,You should,Youd better go home,You had better not play,Dont put,Exercises:,on the road,in the library,in the zoo,on the bus,Discussion,1. Review the Grammar and make some sentences with should (not) and had better (not).2. Finish the Exercises .,Homework,