2. 表示一个动作开始于过去，持续到现在，也可能还会继续持续下去（表示“未完成”）。
I have been busy since last week.
He has in our for 30 years.
I’ve half so far.
注意 瞬间动词通常是不能用现在完成时表持续性的，但其否定结构则可以。如：
She hasn’t seen you for ages.
His hasn’t beer for a whole week.
3. 表示过去到现在为止反复发生的动作或多次出现的状态，常与表示频度的副词, often, every day等连用。如：
I have often heard that he is the in that .
4. 在时间和条件状语从句中，现在完成时表示将来某时完成的动作。如：
I’ll go to your home when I have my .
If it has in the , we’ll go the park.
5. 与现在完成时连用的常见词语能与现在完成时连用的词语很多，just, , yet, , never, ever, 等，但常见的有：1) since 自从
I have been there many times since the war.
We haven’t seen each other since last week.
We have been ever since.
2) in / for / the past/last … years 在过去/最近…中
I’ve been ill for the past three weeks.
Great have take place in the last ten years.
I have been here (for) the last/past month.
3) so far 到目前为止
We haven’t had any so far.
So far the for the -aged woman has been .
4) up to/until now 到现在为止
Up to now he’s been quiet.
Up to now, the work has been easy.
I have heard from him up till now.
Up till now we have over 2000 trees.
5) It is/will be the first/ … time that … 这是第一/二…次…
It’s the first time (that) I’ve been here.
It will be the first time (that) I’ve in .
It is the time (that) I have met him today.
6) This is + 形容词最高级 + that … 这是最…
This is the best film that I’ve (ever) seen.
6. 现在完成时与一般过去时的区别1) 现在完成时强调对现在的影响和结果，与现在有联系；而一般过去时强调这个动作发生的时间是在过去，不涉及对现在的影响。如：
I have seen this film. （我已经看过了这部电影）
I saw this film . （我是昨天看的这部电影）
2) 现在完成时常与模糊的时间状语连用（如for, since, so far, ever, never, just, yet, till/until, up to now, 等），或者干脆没有时间状语；而一般过去时常与具体的时间状语连用（如, last night, …ago, in 1980, in 等）。3) 现在完成时表示持续时一般使用延续性动词（如live, teach, work, know等）；而一般过去时常使用瞬间动词（如begin, buy, die, marry等）。如：
He has lived in since last .
My the car five years ago.
7. 易错点辨析1) 考生容易把一些瞬间动词用现在完成时表达，这是错误的。如：
(×) He has died for two years. 他死了两年了。
(√) He has been dead for two years.
(√) He died two years ago.
(×) The film has begun for 10 . 电影开演十分钟了。
(√) The film has been on for 10 .
(√) The film began 10 ago.
(×) She has for three years. 她结婚有三年了。
(√) She has been for three years.
(√) She Mike three years ago.
2) 考生不懂如何区分have been to和have gone to，尽管两者均可后接地点，但have been to表示去过某地（现在已经回来了），have gone to表示到某地去了（现在还没回来）。如：
She has been to Paris (three times).
She has gone to Paris.
7过去完成时标志：had + 动词的过去分词1. 表示在过去的某个时间或动作以前已经发生的动作或已经存在的状态。如：
By the end of last week he had the work.
He had left when I .
2. 表示从过去某一时间开始，一直延续到过去另一时间的动作或状态。如：
We had not seen each other since I left .
The film had been on for 5 when I got to the .
3. 某些表意向的动词（如, think, plan, , hope等）的过去完成时表示主语未曾实现的愿望、希望、打算。如：
I had to visit you last night, but and I ’t get away.
We had hoped that you would come, but you didn’t.
4. （虚拟语气）在条件状体从句或wish / would 等后面的从句中，使用过去完成时表示与过去事实相反的主观愿望。如：
The party ’t have been so if you hadn’t come.
I wish I had gone with you to the that day.
5. 过去完成时与一般过去时1) 基本区别：过去完成时表示以过去某时间为起点以前所发生的动作或存在的状态，即过去完成时强调“过去的过去”，而一般过去时只表示以现在时间为起点以前所发生的事情或存在的状态。如：
He there two years ago.他两年前在那儿学习（离现在两年）
He said he had there two years .他说他两年前在那儿学习过。（离他说话时两年）
2) 特别注意：两个动作如果按顺序发生，又不强调先后，或者用then, and, but等连词连接时，多用一般过去时。如：
When she saw the mouse, she .
My aunt gave me a hat and I lost it.
8过去将来时标志：would + 动词原形1. 表示从过去某一时间来看将要发生的动作或存在的状态，一般用于主句为过去时的宾语从句中。如：
He said he would come here next .
I knew that he would help us when we were in .
2. 表示过去的动作习惯或倾向：
The old man would sit on a bench in the quite park for hours doing .
When I on that farm, I would get up at 5 am.
3. 用于虚拟语气中：
If I were you, I would not do that.
If he were here, he would show us how to do it.
4. 过去将来时的其他形式1) was / were going to + 动词原形。如：
He told us that he was going to the .
She said that I was going to be sent to meet her at the .
2) was / were to + 动词原形。如：
The was to be next month.
Li Lei was to soon.
3) was / were about to + 动词原形。如：
We were about to leave there when it began to rain and .
He was about to have lunch when the bell rang.
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