Unit 4 The Internet Connects Us Lesson 19 How Do You Use the Internet? 教学课件

课件18张PPT。Lead-inDid you call your father
if your father isn’t in?Do you know
the sign？
a tablet a desktop computer To know computersa laptop keyboardmonitorscreenmouseLearning TipCan you name the parts of a computer?Think about itand talkWhat can you do on a computer?
Hou do you use the internet?play games watch movies
listen to the musicread novels find the information self-directed learning shop
chat with friends book the ticket etc.send or recieve e-mailsLesson 19 How Do You
Use the Internet?Show the preview n. 技术
n. 台式电脑，桌面

n.平板电脑，牌，碑
n.键盘
n.邀请

n.工业，企业，行业 technology [英][tek'n?l?d??] desktop [英][?deskt?p] tablet [英][?t?bl?t][美][?t?bl?t] keyboard [英][?ki:b?:d] invitation [英][??nv??te??n] industry [英][??nd?stri]Phaases

知道，了解__________ 过去常常做某事_____________
做某事是……___________ 与某人在线聊天___________
视频聊天_____________ 写……关于……博客____________
组建一个面包俱乐部_______________
搞研究，进行调查_____________ 在因特网上______________
收集关于……信息____________
开始做某事________________
多于，超过_____________
把某物寄给某人________________

learn about
used to do sth. It is adj. to do sth
chat with sb online video chat blog aboutorganize a Donut Club do research/
make a researchon the Internetcollect information aboutbegin to do sthmore thansend sth. to sb./ send sb. sthThere are__________ fifty students in our classLisen the taecher. Tick the things that Jenny and her classmates like to do on the Internet.watch moviesshopwrite blogschat onlineplay gamesreadsend or receive e-mailslisten to musicdo research for homeworkmake friends√√√√√合作探究 1. It has no keyboard or mouse, so it is easy to carry.它没有键盘和鼠标，所以它很容易携带。
She doesn‘t like singing or dancing.
[知识拓展】or与and
Hurry up，_______you’ll miss the train.
Work hard,________you’ll pass the exam.orAre you a teacher or a driver?（1）or表示转折或并列关系时，意为“否则，要不然”。
而and表示句意顺承。
You have to run, ____ you'll be late for school.
(2)or 作“或者”讲时，表示选择，用于选择疑问句。翻译：你是一个老师还是一个司机？
____________________
(3)在否定句中，并列成分用or 连接而不用and.2.anywhere
You can go ___________(任何有趣的地方）if you like.
[知识拓展] somewhere 某个地方，everywhere 每个地方， nowhere 无处，哪里都不。 adv.任何地方
有时可用作主语或宾语，相当于名词 n.任何(一个)地方
形容词修饰anywhere时，要把形容词放anywher之后。
当anywhere用作名词充当主语时,其后不可接否定谓语。用作副词：1.用于否定句、疑问句或条件句中，用以代替 somewhere, 意为“在 (往)什么地方”、“在 (往)任何地方”。若是要肯定地说某个地方，应用somewhere
2.用于肯定句，意为“在任何地方”。 The city welcomes visitors from anywhere
I haven‘t been able to obtain that book anywhere.
If you go anywhere, take me with you3.Coffee grows in more than 70 countries!more than 意为“多于，超过”， 相当于over。
There are___________ fifty students in our class
我们班有五十多名学生。
【注意】"more than one+可数名词单数“作主语时，虽然指两个以上的人或物，含有复数意义，但谓语动词仍为单数形式。
More than one person________about that.
不止一个人知道那件事。More than one student ___________from USA.is/ comes“More than+名词”表示“不仅仅是”。
“More than+数词”含“以上”或“不止”之意 I have known David for more than 20 years.4.If we want to have a meeting, I can send the invitation online.如果我们想召开会议，我可以在线发出邀请。
句中if引导条件状语从句，意为"如果"。
主将从现就是指时间和条件状语从句中，表示将来的时候,主句用一般将来时,从句用一般现在时。
1、条件状语从句时态呼应为主将从现。
He will go to the park if it ____________ tomorrow.
2、时间状语从句的时态呼应为主将从现。
例：I will call you as soon as I
_________________(到达） the airport.。doesn't rainget to/ reach/arrive at如果你要来吃晚饭的话，请提前告诉我。
_______ _____ ______ for dinner， please tell me in advance.if在此意为“如果”引导条件状语从句
分三种情况：
1.如果主句含有must,may,can 等情态动词，从句用一般现在时
2.如果主句是一般将来时，从句则用一般现在时替代一般将来时。
"主将从现“
3.如果主句是祈使句，从句也要用一般现在时。I don't know if it will rain tomorrow.if在此意为”是否；是不是“ ，if引导宾语从句时，放在及物动词之后。
若主句动词为一般现在时，从句的时态根据语境而定；
若主句动词为一般过去时，从句中用过去的某种时态Fill in the blanks with the correct forms of the given verbs. If you work hard, you’ll _____(get) there in the end. If you don’t stop him, he will ______ (play) games the whole day. If it _ (rain) tomorrow, Danny will not go to the supermarket to buy donuts. If you __ (go) to bed now, I’ll read you a bedtime story.
getplaygorainsLet's Do It.Test 1.If you_____to the party,you'll have a great time.
A.will go B.went C.go D.going
2.I ______her the answer if she______me.
A.can tell;will ask B.will tell; will ask
C.would tell; ask D.will tell; asks
3.What will you do if you_____to the old folk's home?
A.go B.went C.going D.will go
4.I'll give the book to him if he____here next Sunday.
A.will come B.comes C.is coming D.came
5.---Let's go to the community if it_______tomorrow.
---But nobody knows if it_____tomorrow
A.won't rain;rains B.doesn't rain;rains
C.doesn't rain; will rain D.won't rain; will rainRead the text and finish the exercise below.1.李明过去常常使用这台电脑
Li Ming ____ ____ _____ this computer.
2.如果你没有时间，我就为你做这件事。
I'll do this for you ____ _____ ____ _____ time.
3.这个问题很容易回答
This question is ____ _____ _____.
4.你可以通过电子邮件告诉我你的地址。
You can tell me your address ____ ____ .
5.我不知道如何使用这台计算机。
I don't know ____ ____ ____ this computer.
used to use if you don't have easy to answerby e-mailhow to useHomeworkPlease read the text as much as possible in your spare time .
Write a passage about how you use the Internet. (50-100 words)Believe yourselves. You can do it.Preview Learn the words and expressions in Lesson 20.
2. Underline the sentences you don’t understand on page 52.