《Language in use》Computers PPT课件

与分享   share … with…

和他的顾客交谈  talk to his customers

上网  go on the Internet

查看火车时刻  check the times of trains

制定旅行计划  make travel plans

听音乐  listen to music

看电影  watch movies

搜寻信息  search for information

查看发送电子邮件  check / send emails 

玩电脑游戏  play computer games

... ... ...

6:00 am

What time does she get up ?

What time do you get up ?

I get up at six o’clock .

she gets up at six o’clock.

get--- gets

6:30 am

What time does she have breakfast ?

What time do you have breakfast ?

I  have breakfast at half past six .

She has breakfast at half past six .

have--- has

... ... ...

一般现在时

表示经常性、习惯性的动作或现在的状态。

肯定句：主+V.

V. 原形

V. 第三人称单数

否定句：主 +

don’t

doesn’t  +V.原

... ... ...

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。

3. 与之连用的时间状语:

always, usually, often, sometimes, seldom, never, every day/week, on Sundays/…, at the weekend

第三人称单数行为动词的一般现在时

肯定句： 主语（第三人称单数）+V.-s/es +其他

否定句：主语（第三人称单数）+doesn’t+V.-原 +其他

一般疑问句：Does +主语（第三人称单数）+V.-原+其他？

肯定回答：Yes, 主语+does.

否定回答：No，主语+doesn’t.

... ... ...

一般现在时主语单三人称时的动词变化

①在一般现在时中，当主语为第三人称单数时，动词要用“s”型（即第三人称单数形式）。

②所谓动词“s”型的构成，可按名词变复数的规则来记， 

i）在动词尾直接加 s。如：play—plays，want—wants，work—works，know—knows，help—helps，get—gets 

ii）以字母s、x、ch或o结尾的动词加-es；如：guess—guesses，fix—fixes，teach—teaches，brush—brushes，go—goes，do—does，watch—watches，catch—catches

iii）以辅音字母＋y结尾的动词，先变y为i，再加-es。如：study—studies，carry—carries，fly—flies，worry—worries

... ... ...

Grammar

一、特殊疑问句的构成：是由“疑问代词或疑问副词 + 一般疑问句”构成的。

二、特殊疑问词：

what(什么)      who(谁)

what color（颜色）  when(时间)

what time（几点）  where(哪里)

what day （哪一天）  which(哪一个)

what kind of(哪一种)  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)

How often do you go to the library? Once a week.一周一次

... ... ...

Exercises 

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 e-mails ________ Li Ming _____ (send) every week?

按要求完成下列句子。

1. They play computer games. (改为否定句)

They don’t play computer games.

2. He writes letters to me. (对画线部分提问)

Who does he write letters to?

3. I never check my e-mails on Monday. (对画线部分提问)

How often do you check your e-mails on Monday?

... ... ...

二、对划线部分提问。

1. I usually do my homework on your at home.

What do you usually do on your computer have a computer at home?

2. I sometimes play Counter Strike and Final Fantasy.

What games do you play?

3. I have breakfast at eight.  

When do you have breakfast?

4. I want to make friends with you. 

Who do you want to make friends with?

5. I come from USA.

Where do you come from?

6. I sleep eight hours every night. 

How many hours do you sleep every night? 

... ... ...

基数词和序数词

one, two, three, four, five, …, nine, ten, eleven, twelve, …, twenty, twenty-one, …, 

first, second, third, fourth, fifth, ninth, tenth,  eleventh,  twelfth,  twentieth, twenth-first, …

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