九年级英语：unit3Teenagersshouldbeallowedtochoosetheirownclothes课件.ppt

Goodbye * What are the rules in our school? What do we have to do in our school? What can’t we do in our school? I like playing basketball after class. I should play basketball after class. You should be allowed to play basketball after class. Teenagers play ping-pong ball. should be allowed to I think teenagers should be allowed to play ping-pong ball. Do you agree or disagree? Unit 3 Teenagers should be allowed to choose their own clothes. SectionA 1a-2c 学科网 Teenagers watch TV. should be allowed to Do you agree or disagree? Teenagers should _______________ get their ears pierced. not be allowed to I don’t think teenagers should be allowed to get their ears pierced. get her ears pierced. [ pi?s ] 刺穿 earrings [ i?ri?z ]? Students should ________________. dye the hair not be allowed to silly [ ‘sili ]?笨的 I don’t think students should be allowed to dye the hair. license [ lais?ns ] a driver’s license Students should drive. not be allowed to I don’t 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 They allow us to have part-time jobs. ____________________________________. 2. The teacher asked Anna to finish the picture. ____________________________________. 3. People in the UK speak English. ____________________________________. 4. We must send the postcard at once. _____________________________________. We are allowed to have part-time jobs Anna was asked to finish the picture English is spoken in the UK. The postcard must be sent at once. 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.