第27 课:现在完成进行时态 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. F: Peter, where have you been? 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? M: Not really, Mary. I've been studying a lot this week and I need a break. 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. 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. 现在英文老师再把对话用慢速度念一遍, 请你注意听. F: Peter, where have you been? 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? M: Not really, Mary. I've been studying a lot this week and I need a break. 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. 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. 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? M: I've been studying a lot this week. M: I have been looking at home computers. F: They have been getting cheaper. F: I've been thinking of buying a...