纸介图书双击此处跟踪链接天猫旗舰店·京东有售
英语单词。
I've often heard her sing this song. 我常常听见她唱这支歌。 相关试题解析
The Oriental Pearl TV Tower______tens of thousands of visitors since 1995.(中考题) A. attracted B. attracts C. has attracted D. will attract 【选C】译文：自从1995年以来，东方明珠电视塔吸引着成千上万的游客。 (3) 表示从过去持续到现在的状态，还可能继续持续下去。常用的时间状语有：today， this morning，this week，recently，since then，since last year，for a long time等。如： They've lived here since 1989. 从1989年起他们就在这里住了。 The storm has lasted for four hours. 暴雨已经持续4个小时了。 How long have you lived here? 你在这里住了多久了？
The temperature has stayed hot this week. 这星期天气一直很热。 We've not been to the cinema recently. 我们最近没去看过电影。 相关试题解析
1. The first use of atomic weapons was in 1945, and their power______increased enormously ever since.(高考题)
A. is B. was C. has been D. had been
【选C】本题的关键在于抓住信息词ever since(自此以后，用于现在完成时态)。
2. Ever since Picasso's paintings went on exhibit, there_____large crowds at the museum every day. (四级题)
A. have been B. has been C. is D. are being
【选A】译文：自从毕加索的绘画展出以来，博物馆每天都有大批的人前来参观。 3. 现在完成时的特殊情况
have gone (to)与have been (to)
(1) have gone(to)表示“到某地去了，人还在那里”。如：
Olina has gone to town. 奥琳娜进城去了。 (说明还没有回来)
Jason has gone abroad to continue his studies. 詹森出国深造去了。(目前还在国外) 相关试题解析
—Tom, can you tell me where Jack is? —He_____to the library. (中考题)
A. has gone B. had gone C. has been D. had been 【选A】译文：——汤姆，你能告诉我杰克去哪了吗？ ——他去图书馆了。
(2) have been (to)表示“到过某处、去过某地”，用以叙述去过某地这种经历，人不在那里。如：
Molly has been to London twice. 茉莉去过伦敦两次。 Glen has been abroad many times. 格林多次出国。 since引导的从句中的时态
(1) since引导的从句通常用一般过去时，而主句中的动词通常都用现在完成时。如： We have lived in England since I was a child. 从我小时候起我们就住在英国。 I have had a baby since I saw you last. 上次见到你之后我生了个孩子。
(2) 有since引起的状语时，当主句表示“有多少时间”时，动词可用一般现在时。如：
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纸介图书双击此处跟踪链接天猫旗舰店·京东有售
It's a long time since I met you last. 好久不见了。
It's just one week since we arrived here. 我们到这里才一个星期。
(3) 有since引起的状语时，当动词为be时，从句中有时可用现在完成时。如： Hunk has never been to see me since I have been ill. 我生病以来汉克从未看过我。
It's some time since I have spoken to you about our daughter's marriage. 我和你谈的关于女儿的婚事已有相当长的时间了。 其他用法
(1) 在时间或条件状语从句中可用现在完成时代替将来完成时。如：
I shall go to see you when I have finished my homework. 当我完成家庭作业的时候，就去看你。
(2) 有this morning，this afternoon，this season这类状语时，如果说话时间仍在这个范围内，则可用现在完成时，否则用一般过去时。如： I haven't seen Tom this morning. (现在仍是早晨) I didn't see Tom this morning. (现在已不是上午) 今天早上我没有见汤姆。
Denny hasn't gone anywhere this afternoon. (现在仍是下午) Denny didn't go anywhere this afternoon. (现在已经到晚上了) 今天下午丹尼哪儿也没去。
(3) 当与含有the first...，the second...等表示“第??次做某事”的句子连用时用现在完成时。如：
That's the third time he's phoned her this evening. 今晚这是他第三次给她打电话了。 It's the first good meal I've had for ages. 这是好久以来我吃到的第一顿好饭。 (4) have got在形式上是现在完成时，有时却与have的意思相同，表示“有”。如： Haven't got any opinion to offer? 你没有什么意见要提吗？ How many brothers have you got? 你有几个兄弟？
I've got a bad headache.=I have a bad headache. 我头疼得很厉害。 (5) have got to是“不得不”的意思，与have to相同。如： I've got to be off now. 我现在得走了。
The child has got to have an operation. 这孩子得动手术。 That's what you've got to do. 那是你不得不做的事。 在口语中have有时可以省略。如：
We got to make ends meet. 我们得使收支相符。 4. 瞬间动词的完成时
瞬间动词的肯定式通常不能与表一段时间的for短语、since短语或从句等连用，因为瞬间动词不能表示延续状态，它只能用现在完成时表达“已经做了”或“还没有做”，而不能表达“做了多久”，但在否定句中就没有这个限制了。如：
I have joined the Youth Volunteers for five years. (误)I joined the Youth Volunteers five years ago.或I have been a member of the Youth Volunteers for five years. (正)我是五年前加入青年志愿者队伍的。
I. 现在完成进行时
现在完成进行时的构成：have / has been+现在分词
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纸介图书双击此处跟踪链接天猫旗舰店·京东有售
(1) 表示一个由过去某时起一直持续的动作，这动作可能刚刚停止，也可能还在进行。如： Why are your clothes so dirty? What have you been doing? 你的衣服为什么这么脏？你干什么来着？
There you are!I've been waiting for two hours. 你还是来了！我等了你两个小时了！ 相关试题解析
1. I haven't seen Jane for a few days. I'm afraid she______herself for some time.(高考题) A. hasn't been feeling B. hadn't been feeling C. isn't feeling D. wasn't feeling
【选A】题意为：我已经有一段日子没看见简了，恐怕她这段时间身体不舒服。表示动作从过去某一时间延续到现在，而且动作有可能继续下去，用现在完成进行时。 2. The company_____a rise in salary for ages, but nothing has happened yet. (六级题) A. is promised B. has been promising C. is promising D. promised
【选B】译文：公司一直许诺要加工资，可至今什么动静都没有。 (2) 与表示现在之前的状语连用。如：
I've been learning English for three years. 我学英语三年了。 Mike's been smoking too much recently. 麦克近来抽烟太多。
This week, he's been training some new employees. 这星期他一直培训新员工。 (3) 与how long或long，all连用。如：
How long have you been doing this work? 这工作你干了多久了？ Have you been waiting long? 你等了很久了吗？
All night long this has been going on. 这已持续了一整夜了。
(4) 表示在持续的一段时间中动作的多次重复，但动作不一定会持续下去。如：
John has been phoning Lucy every night for the past week. 在过去的星期里，约翰每天晚上给露西打电话。
They have been meeting together weekly now for two years. 他们每周见面至少已有两年了。 注意
在不少情况下这种动作和现在的状况有联系。如：
Her eyes are red. She has been crying. 她眼睛红红的。她一直在哭。
The room stinks. Someone's been smoking in here. 屋里有烟味，有人抽烟来着。
Aren't you tired? You 've been standing for three hours. 难道你不累吗？你已经站了三个小时了。
J. 过去完成时
过去完成时的构成：had+过去分词 1. 基本用法
(1) 表示过去某时之前发生的动作，即过去的过去发生的动作。如：
When I got to the station, the train had left. 我到达车站时火车已经开走了。 We cleaned up as soon as our guest had left. 客人一走我们就收拾房间。 When the doctor arrived the patient had died. 医生到时病人已经死了。 相关试题解析
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纸介图书双击此处跟踪链接天猫旗舰店·京东有售
It was only after some progress_____in the use and development of electric current that men began to realize the importance and possibilities of magnetism. (六级题) A. was made B. would have been made C. has been made D. had been made
【选D】译文：在电流的利用和发展有了一定进步之后，人们才开始意识到磁学的重要性及其发展前途。
(2) 过去的时间有时由时间状语表现出来。如：
Had you ever seen her before that? 那以前你见过她吗？
By this time Kenneth had already finished the job. 到这时肯尼斯已完成了工作。 By 9：30 she still hadn't arrived. 到9：30时她还没到。
(3) 在after引起的状语从句中，常可用过去完成时，有时也可用一般过去时。如： I found the letter after he had gone away. 他走了以后我找到了那封信。 I told them after you had left / you left. 你走后我把这事告诉了他们。
(4) 在很多情况下，过去时间由上下文表示出来，而不需用表示过去的时间状语。如： We had wanted to visit Canada for a long time. So we went there last year. 好久以来我们都想去加拿大，因此去年我们去了。
The room was dirty. I hadn't cleaned it for weeks. 房间很脏，我好几星期没打扫了。 When had you last seen her? Where had you seen her? 你最后一次见她是什么时候？你在哪里见的她？
(5) 可用于宾语从句、状语从句或定语从句中。如： [宾语从句]
I thought you had already got my letters. 我还以为你已经收到我的信了。 [原因状语从句]
I didn't go because I had already seen the film. 我没有去是因为我已看过这部电影。 [定语从句]
I wore the necklace my mother had left me. 我戴着我妈留给我的项链。 相关试题解析
—Hurry up! Alice and Sue are waiting for you at the school gate. —Oh! I thought they_____without me.(高考题) A. went B. are going C. have gone D. had gone
【选D】主句用一般过去时thought，go的动作发生在think前，应用过去完成时。 2. 过去完成时的特殊用法
(1) 与“It (That, This)+be+the+序数词+time...”句型连用。如：
That was the third time he had entered the house. 那是他第三次进入这座房子。 It was the first time that I had ever driven a taxi. 这是我第一次开出租车。
(2) hope，intend，mean，think等词用过去完成时，表示未实现的愿望。如：
I had intended to come over to see you last night, but someone called and I couldn't get away. 昨晚我本想去看你的，但有人来了我走不开。
I had meant to go on Saturday but have stayed on. 我本想星期六走的，但又留下了。 We had thought to return early but they wouldn't let us go. 我们本想早回来的，但他们不让我们走。
相关试题解析
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纸介图书双击此处跟踪链接天猫旗舰店·京东有售
We_____to start our own business,but we never had enough money. (四级题) A. have hope B. would hope C. had hoped D. should hope
【选C】译文：我们本希望开自己的公司，但是我们总没有足够的资金。
(3) 在比较级中，用expect，hope，want，think等词的过去完成时表示“比??”。如： It was easier than I had thought. 它比我想的容易。
Things didn't go so smoothly as we had hoped. 情况并不像我们希望的那样顺利。 The place wasn't as clean as we had wanted it to be. 这地方没有我们希望的那样干净。 (4) 与过去进行时连用来描绘一种景象。如：
Dusk had fallen. The moon was shining faintly on the winding road. Silence reigned in the village. 夜色已经降临，淡淡的月光照在蜿蜒的路上，村子里是一片寂静。 (5) 用于追叙已发生的情况。如：
When we returned from our holidays, we found our house in a mess. What had happened when we had been away? A burglar had broken into the house and had stolen a lot of things. 我们度假回来时发现屋里给弄得一塌糊涂。我们不在时发生了什么事呢？一个小偷潜入屋内，偷了许多东西。
K. 过去将来时
表示从过去的时间看将要发生的事，由“would+动词原形”构成。这个时态常用于宾语从句中。如：
We had already reached 8,000 feet. Soon we would reach the top. 我们已经到了8,000英尺的高度。不久就能到达山顶。
From these outings we would return on Sunday morning. 这些短途旅行后，我们将于周日早上返回。
I asked if he would come and mend my DVD. 我问他可否来修我的DVD。
Edwin told me he would wait for me at the station. 艾德文告诉我他将在车站等我。 注意
追叙部分如果比较长，在时间关系已经明确后，可以接着用一般过去时往下接。如： The burglar got in through the kitchen window. He had no difficulty in forcing it open. Then he went into the living-room. 小偷是从厨房的窗子里进去的，他把窗子撬开并不难，然后就进入了客厅。 相关试题解析
1. Yao Ming has become a superstar in the States, but several years ago no one could have imaged the role on the basketball playground he_____.(高考题) A. has played B. played C. was to play D. plays
【选C】由several years ago可知后半句用过去时，排除A、D；was to do表示从过去某一时间看将要发生的动作和状态。
2. With full knowledge of his past experience,we knew all along that he______(succeed).
(考研题)
【为would succeed】译文：我们完全了解他过去的经历，因此，我们始终认为他会取得成功。
L. 时态的比较
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