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

Unit 3 Discovering Useful Structures 【学习目标】 Learning Objectives 1.To know the structure and usage of present perfect passive voice and its differences with present perfect active voice 2.To use present perfect passive voice 【学习过程】 Learning activities 目标一：To know the structure and usage of present perfect passive voice and its differences with present perfect active voice Activity 1:Discuss in your groups and talk about the structure and usage of present perfect tense, try to give some examples. _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Activity 2:Read the pairs of sentences. Underline and compare the different verb forms. (1)Jane's life has been greatly improved by the Internet. (2)The Internet has greatly improved Jane's life. (3)Much has been written about the wonders of the World Wide Web. (4)People have written much about the wonders of the World Wide Web Answers: ______________________________________________________________________________________________________________________________________________________________How do we form the present perfect passive voice? Fill in the blank. Active have/has + v-ed Verb form have/has been v-ed Passive Activity 3:Change the sentences into the present perfect passive voice. They've built a kind of new PC with more functions. A kind of new PC has been built with more functions. 1. I have downloaded the software to help my phone battery last longer. ______________________________________________________________________________________________________________________________________________________________ 2. Someone has lost an identity card. _______________________________________________________________________________________________________________________________________________