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1、Present Perfect ContinuousThey have been playing basketball all the morning.I have been reciting words all day.The baby has been sleeping for 12 hours.现在完成进行时现在完成进行时1.1. 形式：形式： have / has been doing2.2.用法用法They have been playing basketball all the morning.I have been reciting words all day.The baby
2、has been sleeping for 12 hours.1)叙述某一动作从过去开始一直继续到现在叙述某一动作从过去开始一直继续到现在刚刚停止刚刚停止或或仍在继续之中仍在继续之中,并有可能延续下并有可能延续下去。去。常与常与all day, all the morning, all night, recently, this week, this month或或 for, since等连用。等连用。 You are here! I have been looking for you.（我找了你老半天）（我找了你老半天）2) 2) 叙述从过去某时开始一直继续到现在，叙述从过去某时开始一直继续
3、到现在，但但不再继续下去的事情。不再继续下去的事情。带有浓厚的感情带有浓厚的感情色彩，例如，强调持续了色彩，例如，强调持续了“那么久那么久”或做得或做得“那么辛苦那么辛苦”nYou are here! I have been looking for you.（我找了你老半天）（我找了你老半天）n Oh, you have come at last! I have been waiting for you for two long hours.(我等了你足足两个小时我等了你足足两个小时)2) 2) 叙述从过去某时开始一直继续到现在，叙述从过去某时开始一直继续到现在，带有浓厚的感情色彩，带有浓厚的
4、感情色彩， nWhat have you been doing to my dictionary? 你把我的字典弄成什么样子了！你把我的字典弄成什么样子了！3） 叙述从过去某时到现在，或最近，叙述从过去某时到现在，或最近，一再重复一再重复的动作。的动作。nWeve been discussing the matter several times this year.现在完成进行时和现在完成时的比较现在完成进行时和现在完成时的比较: 未完结性：现在完成进行时表仍要继续下未完结性：现在完成进行时表仍要继续下去的动作去的动作 Ive cleaned the windows. 我把窗户擦干净了。我把窗
5、户擦干净了。 Ive been cleaning the windows. 我擦窗户来着。我擦窗户来着。(可能窗户尚未擦完，可能窗户尚未擦完，)(做完，做完，/对现在有影响对现在有影响)现在完成进行时和现在完成时的比较现在完成进行时和现在完成时的比较: I have been waiting for you for two hours. I have waited for you for two hours.(说明说明/陈述一个事实陈述一个事实)(带有感情色彩：不满带有感情色彩：不满)现在完成进行时和现在完成时的比较现在完成进行时和现在完成时的比较: They have known each
6、other since 1980. 1. Where have you been? We _ for you everywhere . A. look B. were looking C. have been looking D. had been looked2. I wonder why Jenny _ us recently. We should have heard from her by now. A. hasnt written B. doesnt write C. wont write D. hadnt written 3Excuse me，Marcia，a reporter f
7、rom Vanity Fair _ all day. Could you speak to her now？ Aphones Bhas phoned Chas been phoning Dphoned4. Although these scientists _ on the project for nearly four years, I dont know how long it will last.(2012安徽卷）安徽卷） A. have been working B. had worked C. were working D. are working 5. There is so much snow these days, isnt there? Yes, it _ for a few days. A. was snowing B. has been snowing C. had been snowing D. snowed 6. Now that she is out of a job, Lucy _going back to school, but she hasnt decided yet. A. had considered B. has been considering C. considered D. is going to consider
