Module 7 Computers Unit 3 Language in use.课件

课件22张PPT。外研英语七年级上册Module 7
ComputersUnit 3
Language in useWhat can we use computers for?/
What can we do on the computer?computerwebsitegamesmusicemailstime tableinformationWord map:sendlisten tovisitdownloaduseturn oncomputerInternetcheckclick“save”writeopenplaysavedocumenthomeworkdocumentGrammar一、特殊疑问句的构成：
疑问代词或疑问副词 + 一般疑问句
二、特殊疑问词： what color（颜色）
what time（几点）
what day （哪一天）
what kind of(哪一种)who(谁)
when(时间)
where(哪里)
which(哪一个)
why(为什么) How（怎样） How many+可数名复数
How old (年龄) How much +不可数名词
How often(频率) How long(多长、多久)Match the questions with the answers.Where do you save your homework?
When do you use a computer?
How many emails do you write every week?
Who do you write to?I write to my friends.
I save my homework in a document.
I use my computer after school.
I write three or four emails.I have got a new laptop.I haven’t got a new laptop.Have you got a new laptop? Yes, I have ./ No, I haven’t.What have you got?否定句：一般疑问句：肯定/否定回答：对划线部分提问：My father has an old computer.My father doesn’t have an old computer.Does your father have an old computer?Yes, he does. No, he doesn’t.What does your father have? Jack sends four emails to his friends every week.How many emails does Jack send to his friends?How often does Jack send emails to his friends?（1）（2）对（1）处划线部分提问：对（2）处划线部分提问：I often get information on the computer.What do you often do on the computer.I use the computer in the evening.When do you use the computer ? Complete the conversations.
— Where do your grandparents live?
— They live in Australia.
1. — _________ save my document?
— Click “save” and “OK”.
2. — ______________ with his computer?
— He sends emails.How do IWhat does he do 3. — ________________ her computer?
— She uses her computer every Sunday.
4. — ________________ emails to?
— I write emails to my friends.
5. — _____________________________ every day?
— They send ten emails every day.When does she useWho do you writeHow many emails do they send定义：
表示经常性、习惯性的动作或现在的
状态。
构成：
肯定句：主+V.V. 原形V. 第三人称单数一般现在时
否定句：主 +don’tdoesn’t+V.原
一般疑问句DoDoes+主+V原？Yes, 主+do/does.No, 主+don’t/doesn’t.特殊疑问句：特殊疑问词 +一般疑问句？ 注意
当主语为I/We/You/They/名词复数时，
用V原形；
当主语为He/She/It/不可数名词/名词单数
时，用V第三人称单数。
与之连用的时间状语:
always, usually, often, sometimes, seldom,
never, every day/week, on Sundays/…, at
the weekend Complete the sentences with the correct form of the words in brackets.
1. Tony___________ (not see) his uncle, but he
____ (send) emails.
2. We ____ (use) the Internet on our computer, but we ___________ (not play) games.
3. Daming ___________ (not use) a computer to do his homework, but he ______ (play) music.
4. She ________ (make) travel plans on the Internet, but she ___________ (not buy) tickets.
5. We ___________ (not have) a computer at home, but we ______(use) the computer at school.doesn’t seesendsusedon’t playdoesn’t useplaysmakesdoesn’t buydon’t haveuse Complete the sentences with the correct form of the words from the box.check like plan talk use1. Tom _______ his email every Saturday.
2. I have a computer, but I don’t ____ it.
3. Come to my office. Let’s _____ for our holiday.checksuseplan4. My mother doesn’t _______ computer games.
5. I can _______ to my friends on the Internet.liketalkAround the worldThe first computerMy name is ENIAC. I am the first computer in the world. I was born in 1946 in America. I am very big, about one and a half times the size of a classroom. I am very heavy — 30, 000 kilos!The first computerThe size of my shoes is 35.I was born in 2000. 出生一、用所给词的适当形式填空。1. Mr Li usually ________ (use) a computer
at work.
2. My father _____________ (not write) his
novels on his computer.
3. ______ you ________ (have) a computer
at home?
4. Where _____ they _____ (live)?
5. How many emails ________ Li Ming
_____ (send) every week?Exercises usesdoesn’t writeDohavedolivedoessend二、按要求完成下列句子。1. They play computer games. (改为否定句)
_______________________________________
2. He writes letters to me. (对画线部分提问)
_______________________________________
3. I never check my emails on Monday. (对画线部分提问)
_______________________________________
_______________________________________They don’t play computer games.Who does he write letters to?How often do you check your emails
on Monday?4. Mary has a computer. Mary doesn’t often use the computer. (合并句子)
__________________________________________________________________________
5. We usually download music on the Internet. (对画线部分提问) ____________________________________
6. I use the computer at the weekend. (改为一般疑问句)
_____________________________________Mary has a computer but she doesn’t often use it.What do you usually do on the Internet?Do you use the computer at the weekend? Thank you.