人教版高中英语必修二第四单元 Unit 4 WIldlife protection learning about languag.ppt

现在进行时被动语态的用法 1、表现正在进行或发生的被动动作，常与now, look等词连用。 e.g. She is being examined by the doctor now. 2、表示现阶段或目前这段时间正在进行的被动动作，但这一被动动作在此时此刻不一定正在发生。 e.g. A new factory is being built. They are being taught English at present . Learning about Language Ex1 1. distant 2. decrease 3. powerful 4. affect 5. appreciate 6. hunt 7. protect…from 8. respond 9. relief Ex 2 wild, reserve, hunt, species, powerful, appreciated, relief, protecting…from Revision of the Passive Voice Every year over 29,000 antelopes ________ (kill) in Tibet. ---Present Simple 2. In the past, the elephants __________ (kill) by farmers. ---Past Simple are killed were killed 3. In the past twenty years, a large number of bamboo areas ______________ (set up) to help pandas grow. ---Present Perfect 4. Nearly all the Milu deer _____________ (kill) before they were brought back from UK. ---Past Perfect have been set up had been killed 5. At present a new home ____________ (build) for pandas. is being built ---Present Continuous 6. WWF hopes that more and more wild animals _______________ (protect) in the future. will be protected ---Future Simple Revision write do 现在进行时的被动语态 现在完成时的被动语态 一般将来时的被动语态 一般过去时的被动语态 一般现在时的被动语态 Summary is/are being written has /have been written will be written was /were written is/are written write is/are being done has /have been done will be done was /were done is/are done do 现在进行时的被动语态 现在完成时的被动语态 一般将来时的被动语态 一般过去时的被动语态 一般现在时的被动语态 Complete the sentences according to the text. 1. We ________________for the wool beneath our stomachs. (Line 9) 2. Our fur ______________to make sweaters for people like you. (L10) 3. I wonder what ______________to help you. (L12) 4. So good things ________________here to save local wildlife. (L25) are being killed is being used is being done are being done 1. Discover what structure is used what structure is used Summary: 现在进行时的