Unit 3 The Internet Discovering Useful Structures 课件 2023-2024学年高一英语人教版（2019）必修第二册

人教 必修第二册 Unit 3 Period 3 Discovering Useful Structures ( 英语 ) ENGLISH 新 课 导 入 Passive Voice Song 1）能理解现在完成时的被动语态的结构、用法及其与现在完成时的主动语态的区别； 2）能正确运用现在完成时的被动语态进行口头和书面表达。 新知讲授 课堂总结 学习目标 课 堂 学 习 Look at the picture. Try to understand what the boy says. I was in hospital I am still in hospital 新知讲授 课堂总结 学习目标 The Present Perfect Tense ①Unfinished events that started in the past continue to the present. e.g. I have lived in Changsha for five years. (I still live in Changsha now.) e.g. I have lived in Changsha since 2015. 新知讲授 课堂总结 学习目标 The Present Perfect Tense ② Finished events in someone's life. (If the person is still alive—life experience) e.g. Have you ever eaten Sushi before? e.g. He has never traveled by plane. (he is alive) 新知讲授 课堂总结 学习目标 The Present Perfect Tense ③ Finished events happened in the past and the impact of the event is now continuing. e.g. He has not done his homework. (Effect: His father criticizes him.) e.g. We can't reach Paul by phone. Have you seen him? 新知讲授 课堂总结 学习目标 The Present Perfect Tense ④ It is used to with unfinished time words (today, this week, this year etc.). e.g. I have eaten lots of plumps today. (today is not over yet) e.g. We haven't seen Mary this month. Maybe she is busy with her work. 新知讲授 课堂总结 学习目标 The Present Perfect Tense ⑤ Express an action that finished recently. e.g. She has just cooked dinner. e.g. I have a bad news. I have lost my job. 新知讲授 课堂总结 学习目标 Read the pairs of sentences. Underline and compare the different verb forms. Jane's life has been greatly improved by the Internet. The Internet has greatly improved Jane's life. The first one is passive form, while the second one is active. has been v-ed has v-ed 新知讲授 课堂总结 学习目标 Much has been written about the wonders of the World Wide Web. People have written much about the wonders of the World Wide Web. The first one is passive form, while the second one is active. has been v-ed has v-ed 新知讲授 课堂总结 学习目标 How do we form the present perfect passive voice? Fill in the b