人教版新目标英语九年级Unit 3 Section A 1a-1c ppt课件

Unit 3 Teenagers should be allowed to choose their own clothes.,SectionA 1a-2c,Teenagers watch TV.,should be allowed to,Teenagers should _ get their ears pierced.,not be allowed to,I dont think teenagers should be allowed to wear earrings.,earrings iriz ,Students should _ .,dye the hair,not be allowed to,silly sili 笨的,I dont think students should be allowed to dye the hair.,license laisns ,driving license,Students should drive.,not be allowed to,I dont think students should be allowed to drive.,语态分为两种，即主动语态和被动语态。 主动语态表示主语是动作的发出者，而被动语态表示主语是动作的承受者。 be+及物动词的过去分词。 be有人称、时态和数的变化。,被动语态,把下列句子改成被动语态,1. We should plant many trees every year. _ 2. He may lose their friendships. _ 3.Children should speak to the old politely. _,Many trees should be planted by us every year.,Their friendships may be lost by him.,The old should be spoken to politely.,4. We speak English. _ 5.Tom cleaned classroom yesterday. _ 6.We often use computer to have class. _ 7.The students must hand in homework on time. _ 8.We wash clothes every day. _,English is spoken by us.,Classroom was cleaned (by Tom ) yesterday.,Computer is often used to have class.,Homework must be handed in on time.,Clothes are washed (by us) every day.,9.The old cat has eaten the fish. _. 10.I cant find the watch anywhere. _. 11. When will you work out the math problem? _ . 12. Where have you put my backpack? _.,When will the math problem be worked out?,Where has my backpack been put?,The watch cant be found anywhere.,The fish has been eaten ( by the old cat ).,1. David broke the cup. The cup was broken by David. 2. A thief has stolen my keys. My keys have been stolen. 3. They can take good care of my child. My child can be taken good care of. 4. They will not clean the office. The office will not be cleaned.,5. They havent told me about it. I havent been told about it. 6. The workers are repairing my car now. My car is being repaired now. 7. He gave me a book. I was given a book. A book was given to me. 8. I saw him cleaning the room. He was seen cleaning the room.,1.Anna can go to the mall with John. T F 2.Anna wants to get her ears pierced. T F 3.Anna is allowed to choose her own clothes. T F,Listen and circle “T” or “F”.,Listening,1b,The second period,The second period,Pairwork,A: I think/dont think teenagers should be allowed to go out with their friends. B: I agree/disagree. They are old enough. They can look after the