现在分词”构成的。
He is ill. He's been lying in bed for three weeks.
他病了，已经卧床3个星期了。
Your eyes are red. Have you been crying?
你眼睛红了。你刚刚哭过了吗？
What have you been doing all this time?
这半天你干什么来着？
2．现在完成进行时的用法
①表示动作从过去某时开始，一直延续到现在
现在完成进行时常和all this time, this week, this month, all night, all the morning, recently等状语以及since和for引导的状语连用。
I have been reading Hemingway's Farewell to Arms recently.
我最近一直在读海明威的《永别了，武器》。
She has been reciting the words all the morning.
她整个上午都在背单词。
This is what I have been expecting since my childhood.
这是我从小以来就一直期待着的事情。
②表示动作刚刚结束
My clothes are all wet. I've been working in the rain.
我的衣服全湿了，我刚才一直在雨中干活。
He is dead drunk. He's been drinking with his friends.
他烂醉如泥，他刚才一直在和朋友们喝酒。
③表示一个近期内时断时续、重复发生的动作
You've been saying that for five years.
这话你已经说了五年了。
He has been writing articles to the newspapers and magazines since he became a teacher.
自从任教以来，他一直在为报刊杂志撰稿。
④表达较重的感情色彩
What have you been doing to my dictionary?
看你把我的字典弄成什么样子了！
Time has been flying so quickly!
时间过得可真快啊！
Too much has been happening today.
今天可真是个多事的日子。
3． 现在完成进行时和现在完成时的比较
①现在完成进行时可以表示动作的重复，而现在完成时一般不表示重复性。
Have you been meeting him recently?
你最近常和他见面吗？
Have you met him recently?
你最近见到过他吗？
②现在完成进行时有时含有感情色彩，而现在完成时一般是平铺直叙。
I have been waiting for you for two hours.
我一直等了你两个小时。（可能表示不满）
I have waited for you for two hours.
我等了你两个小时。（说明一个事实）
③现在完成进行时强调动作，而现在完成时强调结果。
Who has been eating the oranges?
谁一直在吃这些桔子呀？（还剩余一些）
Who has eaten the oranges?
谁把桔子吃光了？（强调吃得一个不剩）
B. 过去完成进行时
1. 过去完成进行时的构成
过去完成进行时是由“had been + 现在分词”构成。
She had been suffering from a bad cold when she took the exam.
她在考试之前一直
患重感冒。
Had they been expecting the news for some time?
他们期待这个消息有一段时间了吧？
Rafael was scolded even though he hadn't been doing anything wrong.
尽