Unit 4 Lesson 19 How do you use the Internet 课件(共24张PPT) 2023-2024学年冀教版英语八年级下册

(共24张PPT)
Unit 4
Lesson 19 How do you use the Internet
新课导入
screen
keyboard
mouse
monitor 显示器
To know computers
[ ki:b :d] 键盘
a tablet
a desktop computer
To know computers
a laptop
[ deskt p]台式电脑
[ t bl t]平板电脑
['l pt p]笔记本电脑
It has no keyboard or mouse, so it is easy to carry.
1.能熟悉并能正确运用本课时的重点单词和短语2.能用英语简单描述电脑的构成和用途
预习检测
1. I plan　　　　 some vegetables in the garden.
A.plant　　　　 B.to plant　　　　
C.planting　　　　D.planted
2. Mary will go to Sanya if she 　　　　a five-day trip.
A.have B.had C.will have D.has
B
C
3.There are many students_____on the playground.
A.to play B.play C.plays D.playing
4.Thank you for your________to your birthday party.
A.invitation B.invention
C.industry D.information
5.There used to_____a big tree.
A.be B.have C.has D.was
D
A
A
知识梳理
1. I like chatting with my friends online.
chat with 和……聊天
How do you make friendly chat with your classmates
Here you can chat with friends, breathing fresh air.
2. I use the Internet to blog about donuts.
① n. 博客；网络日志
I promised not to post them on my blog.
②vi. 写日志；写博客
John has a belief that everyone should blog about
something they are passionate about.
3. Coffee grows in more than 70 countries!
more than 多于；超出；比……多
“more than+名词”表示“不仅仅是”。
Jason is more than a lecturer; he is a writer, too.
B. “more than+数词”表示“以上”或“不止”
I have known David for more than 20 years.
THINK ABOUT IT
What can you do on a computer
How do you use the Internet
Ms . Cox：How does the Internet help you，class
Jenny：I like to use the Internet to read
about sports and technology .
With the Internet，we can
learn about almost anything .
I used to have a desktop
computer，but now I have a tablet .
if引导的条件句
It has no keyboard or mouse，so it is easy to carry .
Now I can use the Internet anywhere!
Danny：I like chatting with my friends online . We use video
chat! I use the Internet to blog about donuts . There are
500 people following my blog!
Some of us are planning to
organize a Donut Club .
If we want to have a meeting，
I can send the invitation
online . It’s quick and easy .
Brian：I like doing research for my homework on the
Internet . I’m collecting information about the coffee
industry . If I work hard this evening，I will
complete my research .
Tomorrow I can begin to
write my report . Look at this .
Coffee grows in more than 70
countries！Grandpa likes coffee
very much . I will send my
research to him by e mail .
1. Read the lesson . Tick the things that Jenny and her
classmates like to do on the Internet .
□watch movies　　　　　　 □shop
□write blogs □chat online
□play games □read
□send or receive e mails □listen to music
□do research for homework □make friends
√
√
√
√
√
观察例句找规律：
if 条件状语从句用法总结：
1.If it rains, I will stay at home.
2.If you don’t want to go alone, I will go with you.
3.You must stop if the traffic is red.
4.If you drive too fast, you may have an accident.
5.Please call me if he comes tomorrow.
6.Don’t watch TV if you don’t finish your homework.
1.如果主句是一般将来时，从句用一般现在时。
2.如果主句是含有“must, can, may”等情态动词，
从句用一般现在时。
3.如果主句是祈使句，从句用一般现在时。
如： 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
请注意：
2. Fill in the blanks with the correct forms of the given verbs .
1)．If you work hard，you’ll________ (get) there in the end .
2)．If you don’t stop him，he will________ (play)games
the whole day .
3)．If it________ (rain) tomorrow，Danny will not go to
the supermarket to buy donuts .
4)．If you____ (go) to bed now, I’ll read you a bedtime story .
get　
play
rains
go
5). If she here tomorrow, I will tell you.
A. comes B. will come C. come D. came
6). I'm waiting for my friend. , I’ll go shopping alone.
A. If she comes B. If she doesn't come C. If she won't come
7). —Tom wants to know if you will have a picnic tomorrow.
—Yes. But if it ______, we’ll play chess instead.
A. will rain B. rained C. is raining D. rains
8). If Tom ___ the game, we'll give him a surprise.
A. win B. wins C. won D.winning
B
A
D
B
3. Here is a search homepage. Can you find the information
you need Fill in the blanks using the category headings .
News
Newspapers，
Magazines . . .
Arts
Photography，History，Literature …
Society & Culture
People，Environment，Religion…
Health
Diseases，Fitness . . .
Education
College and University，Middle School . . .
Entertainment
Movies，Music，TV . . .
Computer & Internet
Internet，Software，Games . . .
Sports
Basketball，Football，Climbing . . .
Language
English，French，German . .
1．A game lover can click on “____________________”to play
computer games .
2．If I want to improve my spoken English，I’ll go to
“___________”．
3．“_____________” has some excellent movies .
4．If John wants to know more about China，he will click on
“__________________”．
5．“_____________” helps Jack get information about Oxford
University .
Computer & Internet　
Language　
Entertainment
Society & Culture
Education
活动小结
if表示“如果”时， 引导________状语从句，我们要遵守_________（__________和___________）的原则，即主句用
_____________(_________,_____________)，则在从句中使用_____________。
条件
主将从现
主祈从句
主情从现
一般将来时
祈使句
情态动词+V原
一般现在时
当堂检测
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 answer
by e-mail
how to use
一、根据中文意思，完成句子。
1. She likes chatting with her friends.（对划线部分提问）
she like chatting with
2. They used to use old computers.（改为否定句）
They ___________________ to use old computers.
3. I like to use the Internet to do some shopping. (对划线部分提问)
_____ ____ you like to use the Internet
4. I will send her a birthday gift.（改为同义句）
I will send a birthday gift _____ _____.
5. Chatting online is very interesting.（改为感叹句）
_______ chatting online is!
二、按要求进行句式转换。
Who does
didn't use/used not
How do
to her
How interesting
Unit 4
Lesson 19
重点短语：
use sth to do sth
used to do sth.
chat with
blog about
more than
重点单词：
technology
desktop，tablet
keyboard
invitation
industry