Unit 3 The Internet Discovering Useful Structures语法现在完成时被动 备课包 2023-2024学年高中英语人教版必修第二册

语法答案 StepThree 1. has been written 2.have been changed 3.developed 4.found 5.organises 6.have been helped 现在完整时被动语态是表示动作 发生在过去，可能结束也可能继续 ,强调对现在 造成的影响,而且主语和谓语动词之间是 被动 关系。当然并不是所有的动词都有被动语态。 Step Four Use it to express oneself 1. has been painted 2.has been written 3.has been made 4.have been helped 5.has been cleaned 6.has been planted 1.答案：have visited 2.答案：has risen 3.答案：has increased 4.答案：has visited 5.答案：has welcomed/has been welcoming 6.答案：has been flooded 7.答案：had been completed 8.答案：have been served 9.答案：have been produced 10.答案：has been checked 选做题 1.have reported are 2. Declared have made 2.Was told/has been told 4.have been held　 5.have experienced 6.have used/have been using 7.recommended were invited 8.Has grown started 9.had been thrown 10.was invented 11.makes/ has made 12.caught Thanks $$ Unit 3 The Internet Discovering useful structures Talk about something that has been done Teaching objectives: By the end of the class, students will be able to (1 )know the form of the present perfect passive voice (2) Understand the meaning of it (3) Use it to express oneself Teaching process Step one Lead-in I still haven't found what I'm looking for I have climbed highest mountains I have run through the fields Only to be with you Only to be with you I have run I have crawled （也爬行过） I have scaled（爬，留下痕迹） these city walls These city walls Only to be with you 只为和你在一起 But I still haven't found what I'm looking for Step Two Know the form 完成课本P20 1 和2 Step Three Understand the meaning 1. Much ______________________(write) about the wonders of the World Wide Web. 2. People's lives ____________________(change) by online communities and social networks. 3. Jan suddenly __________________(develop) a serious illness and had to quit her job. 4. At age fifty she ______________(find) herself out of work and stuck at home. 5. She together with her friends now _________________(organize) events and collects money to