人教版高中英语必修4 Unit 2 Working the land Learning about Language(共13张PPT)

课件13张PPT。The usage of v-ing formNEW SENIOR ENGLISH FOR CHINA STUDENT’S BOOK 4

Learning Aims
1．To be able to master the usage of v-ing form;
2．To be able to use the v-ing form in writing;
3．To encourage students to learn grammars in the context;
4. To set some topics to remind students to use the digital products properly.Step1 Read the following passage and underline the v-ing form. It was raining. I went into a café . While I was waiting for my drink, I realized that there were other people in the place, but I sensed loneliness. I saw their bodies, but I couldn't feel their souls because their souls belonged to the Net.
I stood up and walked between the tables. When I came to the biggest computer, I saw a thin, small man sitting in front of it. "I'm Steve", he finally answered after I asked him a couple of times what his name was. "I can't talk with you. I'm busy ", he said. He was chatting online with somebody--probably someone he didn't know,and at the same time, he was playing a computer game--a war game. Why didn't Steve want to talk with me? I tried again to speak to that computer geek (怪人), but not a word came out of his mouth. I touched his shoulder, but no reaction（反应）. I put my hand in front of the monitor, and he started to shout, "Leave me alone!”
I took a few steps back, wondering if all those people in the café were looking at me. I raised my head, and saw the people sitting there didn’t show any interest. At that moment, I realized that playing with computers was more important than anything else. They were more interested in having a relationship with the computer, particularly Steve. I wouldn't want to imagine the future of human beings if they preferred sharing their lives with machines instead of with people.Step 2 Discuss in groups and analyze the fun_ction of each v-ing form. (句法功能).1、It was raining.
2、While I was waiting for my drink, …
3、… I saw a thin, small man sitting in front of it.
4、He was chatting online with somebody…
5、...he was playing a computer game—a war game.表语表语宾语补足语表语表语6、 I took a few steps back, wondering if all those people in the café were looking at me.
7、I raised my head, and saw the people sitting there didn’t show any interest.
8、 I realized that playing with computers was more important than anything else.
9、 They were more interested in having a relationship with the computer, …
10、…if they preferred sharing their lives with machines ...
定语主语宾语宾语状语、表语Step3 Summarize动词-ing 形式由动词原形+ing构成，分为：动名词和现在分词。动词-ing形式能在句中作主语、宾语、表语、定语、宾语补足语和状语,但不能单独作谓语。Step4 Practice - Use v-ing form to polish(润色) the following sentences.1.Smart phones becomes very popular.
Smart phones are_____________increasingly popular.
2.To see is to believe.
_________is believing.
3.Many people use smart phones during the walk.
You can see many people ______________________ during the walk.
4.When I heard of your problem,
I felt very sorry.
___________________________,
I felt very sorry.
becomingSeeingusing smart phonesHearing of your problem5.There are many students who use smart phones to play with games.There are many students_________smart phones to play with games.6.If you only use smart phones to play,it is no good.It is no good___________________on phones.7.Because you have made many mistakes , you should listen.________________ many mistakes , I think you should listen.usingHaving madeplaying gamesStep5 HomeworkWrite a composition about Wechat.随着科学技术的发展，微信变得越来越受人们的欢迎，的确给我们的生活带来了许多便利。然而，也带给我们许多困扰。你作为一名高中生，最近，遇到了一些烦恼，向你的朋友李华倾诉，内容如下：1.每天忙于浏览朋友圈，而影响到了学习。2.与其他人之间缺少了面对面的交流。3.微信成为许多人出售产品的平台。要求：1.字迹工整、清晰。2.内容完整，有条理。3、句子流畅。字数：100字左右。提示词：朋友圈 circle of friends Thank you!