1、Unit 3 The Internet Discovering Useful Structures Look at the pictures and think about your lives Peoples lives have been greatly improved by the Internet. Peoples lives have been changed by online communities and the social networks. Read the pairs of sentences. Underline and compare the different
2、verb forms. Jans life has been greatly improved by the Internet. The Internet has greatly improved Janes life. Much has been written about the wonders of the World Wide Web. People have written much about the wonders of the World Wide Web have/has done be done has/have been done have/has done active
3、 voice passive voice has been improved has improved has been written have written Find more sentences containing the present perfect passive voice on Page 28. 1. Much has been written about the wonders of the World Wide Web. 2. Peoples lives have been changed by online communities and social network
4、. 3. Many people has been helped by the club. 4. Jans life has been greatly improved by the Internet. has been written have been changed has been helped has been greatly improved Why do we use the present perfect passive voice ? Why do we use the present perfect passive voice ? Peoples lives have be
5、en changed by online communities and the social networks. Much has been written about the wonders of the World Wide Web. Jans life has been greatly improved by the Internet. Many people has been helped by the club. Summary1: 1) the receiver is an object 2) there is not necessary to mention the doer
6、or to emphasis the receiver . 3) We want to focus on what has been done. Peoples lives Many people Much Jans life Change the sentences into the present perfect passive voice. EXAMPLE Theyve built a kind of new PC with more functions. - A kind of new PC has been built with more functions. Change the
7、sentences into the present perfect passive voice. 1. I have downloaded the software to help my phone battery last longer. 2. Someone has lost an identity card. 3. Have you confirmed the Wi-Fi password? 4. Have you pressed the button yet to copy the file? 5. Has anyone made a comment about the online
8、 database? Answers: 1. The software has been downloaded to help my phone battery last longer. 2. An identity card has been lost. 3. Has the Wi-Fi password been confirmed? 4. Has the button been pressed yet to copy the file? 5. Has a/any comment been made about the online database? Read the poem. The
9、n think of your own situation and write a similar poem. Look at the way your face has been washed Look at the way your teeth have been brushed Look at the way your shoes have been cleaned Youd better do them again. Look at the way the flowers have been planted Look at the way the grass has been cut
10、Look at the way the paths have been swept I hope that youll come here again. Complete the sentences with the present perfect passive voice of thegiven verbs. 1. Both learning sites _ (visit) by over 10, 000 people since last year. 2. This keyboard _ (not use) for a long time. 3. Can you tell me what
11、 _ (do) to bridge the digital divide? 4. In the past year I _(inspire) to buy e-books instead of paper books. 5.That app _ (delete) from my smartphone already. 6. It seems that more health problems _ (cause) by mobile phones. have been visited has not been used has been done have been inspired has b
12、een deleted have been caused Use the present perfect passive voice in the context. Ladies and gentlemen, The world_ (turn) upside down since the invention of the Internet and the introduction of personal computers into nearly every home. The twin inventions of the personal computers and the Internet
13、 _ (consider) to be among the two most important events of the last century. Shopping_ (change) completely. Rather than going out to stores weekly or even daily, more and more people order things from clothes to toys to foods online and have them delivered directly to their homes. Social communicati
14、on_ (take) over by the Internet. In the past, letters, phone calls, and face-to-face meetings were necessary to build up relationships, but now online communication is often the only social interaction that some people have all day! Games, music, movies and so on_(influence) heavily by the Internet.
15、 New kinds of crimes are happening on the Internet, too, so cyber security has to be constantly updated. We should not ignore this fact. Here, I would like to appeal for the safety of using Internet, because the Internet is becoming the town square for the global village of tomorrow. Ladies and gent
16、lemen, The world _ (turn) upside down since the invention of the Internet and the introduction of personal computers into nearly every home. The twin inventions of the personal computers and the Internet _ (consider) to be among the two most important events of the last century. Shopping _ _(change)
17、 completely. Rather than going out to stores weekly or even daily, more and more people order things from clothes to toys to foods online and have them delivered directly to their homes. Social communication _ (take) over by the Internet. has been turned have been considered has been changed has bee
18、n taken In the past, letters, phone calls, and face-to-face meetings were necessary to build up relationships, but now online communication is often the only social interaction that some people have all day! Games, music, movies and so on _ (influence) heavily by the Internet. New kinds of crimes ar
19、e happening on the Internet, too, so cyber security has to be constantly updated. We should not ignore this fact. Here, I would like to appeal for the safety of using Internet, because the Internet is becoming the town square for the global village of tomorrow. have been influenced Summary2: The present perfect passive voice is often used in formal situations such as articles or speeches. Homework 下周我们学校将举办关于主题为下周我们学校将举办关于主题为“互互 联网给我们学习带来的变化联网给我们学习带来的变化”的演讲，的演讲， 你将代表我们班级参加演讲比赛。你将代表我们班级参加演讲比赛。 Thank You !
