一.本课要点及示例

在这一课里,我们学习现在完成进行时态, 比方 "一直在玩" have been playing.

"一直在学习" have been studying 等等.

现在我们先来听今天这一课的对话,内容是说彼得和玛丽谈起电脑的事情. 请 你注意听两位英文老师的发音和语调. (来源：EnglishCN英语问答中心[e问e答])

F: Peter, where have you been?

M: I've been playing Pac Man at the Arcade in the student union. (来源：英语美食指南 http://food.englishcn.com)

F: Have you been wasting your time on those computer games again?

(来源：专业英语学习网站 http://www.EnglishCN.com)

M: Not really, Mary. I've been studying a lot this week and I need a break.

(来源：英语问答中心 http://ask.englishcn.com)

F: Why don't you buy a computer and some of those games? Then you can play at home.

M: I have been looking at home computers.There are a lot of different kinds on market now.

(来源：最老牌的英语学习网站 EnglishCN.com)

F: I know, and they have been getting cheaper. (来源：英语交友 http://friends.englishcn.com)

M: How do you know that? (来源：英语交友 http://friends.englishcn.com)

F: I've been thinking of buying a home computer too. (来源：英语资料下载 http://download.englishcn.com)

现在英文老师再把对话用慢速度念一遍, 请你注意听. (来源：英语e问e答 http://ask.englishcn.com)

F: Peter, where have you been? (来源：专业英语学习网站 http://www.EnglishCN.com)

M: I've been playing Pac Man at the Arcade in the student union. (来源：英语学习门户网站EnglishCN.com)

F: Have you been wasting your time on those computer games again? (来源：英语交友 http://friends.englishcn.com)

M: Not really, Mary. I've been studying a lot this week and I need a break.

(来源：英语麦当劳－英语杂志 EnglishCN.com)

F: Why don't you buy a computer and some of those games? Then you can play at home. (来源：英语聊天室 http://chat.EnglishCN.com)

M: I have been looking at home computers.There are a lot of different kinds on market now. (来源：英语问答中心 http://ask.englishcn.com)

F: I know, and they have been getting cheaper.

M: How do you know that?

F: I've been thinking of buying a home computer too. (来源：EnglishCN英语问答中心[e问e答])

下面我请英文老师把对话里的现在完成进行时态句子再念一遍.

M: I've been playing Pac Man at the Arcade in the student union.

F: Have you been wasting your time on those computer games again? (来源：专业英语学习网站 http://www.EnglishCN.com)

M: I've been studying a lot this week.

(来源：英语资料下载 http://download.englishcn.com)

M: I have been looking at home computers. (来源：专业英语学习网站 http://www.EnglishCN.com)

F: They have been getting cheaper.

(来源：英语资料下载 http://download.englishcn.com)

F: I've been thinking of buying a home computer too. (来源：英语麦当劳－英语快餐EnglishCN.com)

二.现在完成进行式 (来源：英语麦当劳 http://www.EnglishCN.com)

听了上面的句子, 我想你或许已经注意到现在完成进行时态是用 has been 或 是 have been 和加了 i-n-g 的动词构成的. 这种时态是用来表示一个动作从过 去一直持续到现在. (来源：英语e问e答 http://ask.englishcn.com)

现在我请英文老师念一些跟刚才那段对话有关系的现在完成进行时态句子,每 个句子各念两遍, 请你听一遍, 跟着老师重复一遍. (来源：英语麦当劳－英语快餐EnglishCN.com)

M: Peter has been taking computer courses this semester. (来源：英语麦当劳－英语杂志 www.EnglishCN.com)

F: Peter has been taking computer courses this semester.

(来源：英语美食指南 http://food.englishcn.com)

M: Peter has been playing computer games this afternoon. (来源：英语学习门户网站EnglishCN.com)

F: Peter has been playing computer games this afternoon.

M: Mary has been thinking of buying a home computer recently. (来源：英语分类信息 http://fl.englishcn.com)

F: Mary has been thinking of buying a home computer recently. (来源：英语麦当劳 http://www.EnglishCN.com)

M: Mary has been looking at home computers lately. (来源：英语图片 http://photo.englishcn.com)

F: Mary has been looking at home computers lately.

(来源：英语博客 http://space.englishcn.com)

下面一组练习是由老师把刚才那些句子改成问句, 比方老师说: "彼得一直在学 什么?" What has Peter been studying? 接着老师说 "电脑程式" computer programming,学生就回答说: Peter has been studying computer programming. 现 在我们开始作练习, 学生回答问题的时候请你也一起回答. (来源：英语麦当劳－英语杂志 www.EnglishCN.com)

M: What has Peter been taking?

M: computer courses (来源：EnglishCN英语博客基地)

F: Peter has been taking computer courses.

M: What has Peter been studying?

(来源：英语麦当劳－英语快餐EnglishCN.com)

M: computer programming (来源：英语博客 http://space.englishcn.com)

F: Peter has been studying computer programming.

(来源：英语e问e答 http://ask.englishcn.com)

M: What has Peter been playing? (来源：英语资料下载 http://download.englishcn.com)

M: computer games (来源：专业英语学习网站 http://www.EnglishCN.com)

F: Peter has been playing computer games. (来源：英语麦当劳－英语杂志 www.EnglishCN.com)

M: What has Mary been thinking of?

M: buying a home computer

F: Mary has been thinking of buying a home computer. (来源：专业英语学习网站 http://www.EnglishCN.com)

M: What has Mary been looking at? (来源：英语麦当劳－英语杂志 www.EnglishCN.com)

M: home computers (来源：英语论坛 http://bbs.englishcn.com)

F: Mary has been looking at home computers. (来源：英语博客 http://space.englishcn.com)

下面一组练习的内容是说现代电脑进步的情况, 比方:现在电脑比以前便宜,比 以前有效率, 也比以前受欢迎等等. 练习的作法是由男老师用have become 加 上形容词比较级作句子, 比方: "电脑比以前实用了." Computers have become more practical, 请你用 have been getting 加上形容词比较级把句子改成 "电脑 越来越实用." Computers have been getting more practical. 现在我们开始作练 习, 请你每作完一句就听老师念正确答案. (来源：英语麦当劳－英语学习门户 EnglishCN.com)

M: Computers have become smaller.

F: Computers have been getting smaller.

(来源：英语博客 http://space.englishcn.com)

M: Computers have become better.

F: Computers have been getting better. (来源：英语交友 http://friends.englishcn.com)

M: Computers have become easier to use.

F: Computers have been getting easier to use. (来源：英语学习门户网站EnglishCN.com)

M: Computers have become cheaper.

F: Computers have been getting cheaper. (来源：英语麦当劳－英语快餐EnglishCN.com)

M: Computers have become more economical. (来源：英语资料下载 http://download.englishcn.com)

F: Computers have been getting more economical. (来源：英语资料下载 http://download.englishcn.com)

M: Computers have become more useful. (来源：英语博客 http://space.englishcn.com)

F: Computers have been getting more useful. (来源：英语电影下载 http://bt.englishcn.com)

M: Computers have become more practical. (来源：英语电影下载 http://bt.englishcn.com)

F: Computers have been getting more practical.

(来源：英语图片 http://photo.englishcn.com)

M: Computers have become more efficient. (来源：英语学习门户网站EnglishCN.com)

F: Computers have been getting more efficient.

(来源：英语美食指南 http://food.englishcn.com)

M: Computers have become more convenient. (来源：英语分类信息 http://fl.englishcn.com)

F: Computers have been getting more convenient.

(来源：英语麦当劳－英语杂志 EnglishCN.com)

M: Computers have become more popular. (来源：英语e问e答 http://ask.englishcn.com)

F: Computers have been getting more popular. (来源：专业英语学习网站 http://www.EnglishCN.com)

刚才那组练习里有些形容词你可能不太熟, 比方 "经济实惠" economical, "有 效率" efficient 等等. 现在我们作一组代换练习, 一方面复习现在完成进行时 态,一方面复习这些形容词. 请你在学生作代换练习的时候也一起作. (来源：英语电影下载 http://bt.englishcn.com)

M: Computers have been getting smaller.

M: better (来源：英语e问e答 http://ask.englishcn.com)

F: Computers have been getting better.

(来源：英语学习门户网站EnglishCN.com)

M: more useful

F: Computers have been getting more useful.

(来源：EnglishCN英语博客基地)

M: more practical

(来源：专业英语学习网站 http://www.EnglishCN.com)

F: Computers have been getting more practical.

M: more economical

(来源：EnglishCN英语博客基地)

F: Computers have been getting more economical. (来源：英语分类信息 http://fl.englishcn.com)

M: more efficient

(来源：专业英语学习网站 http://www.EnglishCN.com)

F: Computers have been getting more efficient. (来源：英语资料下载 http://download.englishcn.com)

M: more convenient (来源：英语麦当劳－英语杂志 www.EnglishCN.com)

F: Computers have been getting more convenient.

(来源：英语交友 http://friends.englishcn.com)

M: more popular

F: Computers have been getting more popular.

下面一组练习的内容是说电脑的发展情况. 练习的作法是老师念一个被动语 态的现在完成时态句子,比方 "更好的电脑已经设计出来了." Better computers have been designed. 接着老师念出名词, 也就是动作执行者, 比方 "技师" technicians, 请你用老师给你的名词把原来的句子改为现在完成时态的主动 语态句子, 所以刚才那例子的答案就是: "技师一直在设计更好的电脑. " Technicians have been designing better computers. 这组练习比较难, 所以你要 特别注意. 每作完一句老师会念出正确答案,让你作个比较, 看你作对了没有.

M: Small computers have been made. (来源：英语资料下载 http://download.englishcn.com)

M: technicians

(来源：英语学习门户网站EnglishCN.com)

F: Technicians have been making small computers. (来源：英语学习门户网站EnglishCN.com)

M: Better computers have been designed. (来源：英语e问e答 http://ask.englishcn.com)

M: technicians

(来源：英语e问e答 http://ask.englishcn.com)

F: Technicians have been designing better computers.

M: Computer science courses have been studied.

(来源：专业英语学习网站 http://www.EnglishCN.com)

M: many students (来源：英语论坛 http://bbs.englishcn.com)

F: Many students have been studying computer science courses.

M: Computer science courses have been taken.

(来源：英语e问e答 http://ask.englishcn.com)

M: many students

(来源：英语麦当劳－英语快餐EnglishCN.com)

F: Many students have been taking computer science courses. (来源：英语图片 http://photo.englishcn.com)

M: Home computers have been bought.

(来源：英语麦当劳 http://www.EnglishCN.com)

M: a lot of people (来源：EnglishCN英语博客基地)

F: A lot of people have been buying home computers. (来源：专业英语学习网站 http://www.EnglishCN.com)

M: computers have been used at home. (来源：英语麦当劳 http://www.EnglishCN.com)

M: a lot of people

(来源：英语博客 http://space.englishcn.com)

F: A lot of people have been using computers at home. (来源：EnglishCN英语博客基地)

下面一组练习的作法是老师念一个现在完成进行时态句子, 比方: "人们一直 用电脑来计算复杂的问题. " People have been using computers to compute complex problems.接着老师念出一个词组, 比方: "存放资料" store information, 请你把老师提出的词组代换到原来的句子里,所以答案就是 People have been using computers to store information. 在这一组练习里你可以学到电脑的许多 用途, 比方: "记录生意状况" record business, "与别人沟通" communicate with others, "寄帐单给客户" send bills to customers, "记下存货数量" keep records of inventories, "记录开支数目" keep track of expenses, "开关电动器具" turn appliances on and off 等等. 这些词汇你可能不太熟, 请你作练习的时候特别 注意听, 每作完一句就听老师再把正确答案念一遍. (来源：英语麦当劳 http://www.EnglishCN.com)

M: People have been using computers to compute complex problems.

M: store information

(来源：EnglishCN英语博客基地)

F: People have been using computers to store information. (来源：英语麦当劳－英语学习门户 EnglishCN.com)

M: record business

F: People have been using computers to record business. (来源：专业英语学习网站 http://www.EnglishCN.com)

M: communicate with others

(来源：英语麦当劳－英语快餐EnglishCN.com)

F: People have been using computers to communicate with others.

M: send bills to customers

F: People have been using computers to send bills to customers (来源：EnglishCN英语问答中心[e问e答])

M: keep records of inventories (来源：英语e问e答 http://ask.englishcn.com)

F: People have been using computers to keep records of inventories.

(来源：英语麦当劳 http://www.EnglishCN.com)

M: keep track of expenses

(来源：EnglishCN英语问答中心[e问e答])

F: People have been using computers to keep track of expenses.

M: turn their appliances on and off (来源：EnglishCN英语博客基地)

F: People have been using computers to turn their appliances on and off. (来源：EnglishCN英语博客基地)

下面一组练习是由老师念一个现在时态问句, 比方: Do people use computers for entertainment? 学生就用现在完成进行时态把句子改成 Have people been using computers for entertainment? 这组练习的内容还是说到电脑的用途.作这 组练习一方面可以练习不同时态, 一方面也可以复习刚才学过的词汇.请你在 学生作练习的时候也一起作. (来源：专业英语学习网站 http://www.EnglishCN.com)

M: Do people use computers for entertainment?

F: Have people been using computers for entertainment? (来源：EnglishCN英语博客基地)

M: Do people use computers for communication? (来源：EnglishCN英语问答中心[e问e答])

F: Have people been using computers for communication?

(来源：EnglishCN英语问答中心[e问e答])

M: Do people use computers for inventories? (来源：英语资料下载 http://download.englishcn.com)

F: Have people been using computers for inventories? (来源：英语麦当劳－英语杂志 EnglishCN.com)

M: Do people use computers for record-keeping? (来源：英语聊天室 http://chat.EnglishCN.com)

F: Have people been using computers for record-keeping?

M: Do people use computers to store information? (来源：英语麦当劳－英语学习门户 EnglishCN.com)

F: Have people been using computers to store information? (来源：英语麦当劳－英语学习门户 EnglishCN.com)

M: Do people use computers to compute complex problems? (来源：EnglishCN英语问答中心[e问e答])

F: Have people been using computers to compute complex problems?

M: Do people use computers to send bills to customers? (来源：英语麦当劳www.EnglishCN.com)

F: Have people been using computers to send bills to customers? (来源：英语聊天室 http://chat.EnglishCN.com)

M: Do people use computers to keep track of expenses?

F: Have people been using computers to keep track of expenses? (来源：英语论坛 http://bbs.englishcn.com)

M: Do people use computers to turn their appliances on and off?

F: Have people been using computers to turn their appliances on and off? (来源：EnglishCN英语博客基地)

三.听短文回答问题 (来源：英语麦当劳－英语快餐EnglishCN.com)

今天我们要听一篇关于电脑工业发展迅速的文章.这篇文章里有不少现在完成 进行时态句子, 也有许多我们刚才练习过的词汇.

请你注意听, 等一会儿老师要根据文章问你几个问题.

The home computers industry has been growing rapidly in the United States for the last ten years. Computers used to be large, expensive machines that were very difficult to use. (来源：英语麦当劳－英语学习门户 EnglishCN.com)

But scientists and technicians have been making them smaller and cheaper while at the same time they have been made easier to use. As a result, their popularity has been increasing as more people have been buying computers for their homes and businesses.

Computers have been designed to store information and compute complex problems.

Some have voices that speak with the operators. Stores use computers to keep records of their inventories and to send bills to their customers.

(来源：英语论坛 http://bbs.englishcn.com)

Offices use computers to type letters, record business and communicate with other offices.

People have been using computers in their homes to keep track of expenses and turn appliances on and off.

(来源：英语美食指南 http://food.englishcn.com)

One important new use for computers is for entertainment. Many new games have been designed to be played on the computers. People of all ages have been playing these games. They have been going to Arcades where the computer games can be played for a small cost. People also have been buying home computers to play computer games at home. They have become very popular indeed.

刚才那篇文章你都听懂了吗? 如果没有, 不要着急, 等一会儿你还有机会听. 现 在老师先把今天测验的问题念一遍给你听.

(来源：英语博客 http://space.englishcn.com)

第一个问题是:

(来源：英语论坛 http://bbs.englishcn.com)

M: Why have computers been getting more popular? (来源：专业英语学习网站 http://www.EnglishCN.com)

第二个问题是:

(来源：英语博客 http://space.englishcn.com)

M: How can computers be used?

(来源：英语麦当劳 http://www.EnglishCN.com)

第三个问题是:

(来源：英语电影下载 http://bt.englishcn.com)

M: Who has been playing computer games? (来源：英语麦当劳 http://www.EnglishCN.com)

现在老师再用慢速度把整篇文章念一遍. (来源：英语美食指南 http://food.englishcn.com)

The home computers industry has been growing rapidly in the United States for the last ten years. Computers used to be large, expensive machines that were very difficult to use.

But scientists and technicians have been making them smaller and cheaper while at the same time they have been made easier to use. As a result, their popularity has been increasing as more people have been buying computers for their homes and businesses. (来源：英语分类信息 http://fl.englishcn.com)

Computers have been designed to store information and compute complex problems. (来源：英语麦当劳－英语快餐EnglishCN.com)

Some have voices that speak with the operators. Stores use computers to keep records of their inventories and to send bills to their customers.

Offices use computers to type letters, record business and communicate with other offices. (来源：英语麦当劳－英语快餐EnglishCN.com)

People have been using computers in their homes to keep track of expenses and turn appliances on and off.

(来源：英语麦当劳－英语杂志 EnglishCN.com)

One important new use for computers is for entertainment. Many new games have been designed to be played on the computers. People of all ages have been playing these games. They have been going to Arcades where the computer games can be played for a small cost. People also have been buying home computers to play computer games at home. They have become very popular indeed. (来源：英语麦当劳－英语学习门户 EnglishCN.com)

现在请你回答下面三个问题. 每回答一个问题就请你听老师念正确答案.

第一个问题是:

M: Why have computers been getting more popular? (来源：英语图片 http://photo.englishcn.com)

F: It is because they are smaller, cheaper and easier to use.

(来源：英语e问e答 http://ask.englishcn.com)

第二个问题是:

(来源：专业英语学习网站 http://www.EnglishCN.com)

M: How can computers be used?

(来源：英语博客 http://space.englishcn.com)

F: They can be used to do any of the ten things mentioned in the reading.

第三个问题是:

(来源：英语麦当劳－英语杂志 www.EnglishCN.com)

M: Who has been playing computer games? (来源：英语图片 http://photo.englishcn.com)

F: People of all ages have been playing computer games.

(来源：英语e问e答 http://ask.englishcn.com)