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1、ppt课件,ppt课件,Lesson 19 How Do You Use the Internet?,课前自主预习,课堂互动探究,Unit 4The Internet Connects Us,ppt课件,课前自主预习,台式电脑;桌面,technology,平板电脑;牌;碑,keyboard,Lesson 19 How Do You Use the Internet?,邀请 invite,industry,ppt课件,咖啡行业,和某人聊天,more than,sendto,Lesson 19 How Do You Use the Internet?,ppt课件,used to have,chat
2、ting with,If will complete,begin to write,Lesson 19 How Do You Use the Internet?,ppt课件,词汇点睛,课堂互动探究, 1use sth. to do sth. 用某物做某事,观察 I like to use the Internet to read about sports and technology. 我喜欢用互联网看关于体育和技术方面的东西。,探究 use作动词,后面跟动词_作目的状语,常用结构为use sth. to do sth., 意为“用某物做某事”。,不定式,Lesson 19 How Do Yo
3、u Use the Internet?,ppt课件,活学活用,1根据汉语意思完成句子 植物利用阳光制造养料。 Plants use the sunlight _ _ food.,to make,Lesson 19 How Do You Use the Internet?,ppt课件,2chat with sb. 和某人聊天,观察 I like chatting with my friends online. 我喜欢和我的朋友们在网上聊天。,词汇点睛,探究 chat 意为“聊天”,其现在分词是_。 chat_ sb. 意为“和某人聊天”,chat about sth. 意为“闲聊某事”。,cha
4、tting,with,Lesson 19 How Do You Use the Internet?,ppt课件,活学活用,2I think _ with friends is better than_. A. chat; watching TV B. chatting; watching TV C. chatting; watch TV D. chat; watch TV,B,Lesson 19 How Do You Use the Internet?,ppt课件,If I work hard this evening,I will complete my research. 如果我今天晚上努
5、力工作,我将完成我的研究。,探究本句为含if引导的条件状语从句的复合句。if引导的条件状语从句既可以放在主句_,也可以放在主句_。 在以下3种情况下,if引导的条件状语从句用_(时态)代替一般将来时。 (1)当主句用一般将来时态时;,句型透视,之前,之后,一般现在时,Lesson 19 How Do You Use the Internet?,ppt课件,探究 (2)当主句中含有情态动词时; (3)当主句为祈使句时。例如: If its fine tomorrow, theyll climb the hill. 如果明天天气好的话,他们将去爬山。 You should eat less and
6、 exercise more if you want to be thinner. 如果你想变得更瘦,你应该少吃多锻炼。 Please call him if you get there.如果你到了那儿,请给他打电话。,Lesson 19 How Do You Use the Internet?,ppt课件,活学活用,If there _ no buying and selling of animals, there _ no killing in nature. A. is; will be B. will be; will be C. is; is D. will be; is,A,Lesson 19 How Do You Use the Internet?,