件事全然忘记的。 有时可与ever，never，soon等时间状语连用。 如： Will you soon have finished laying the table? 你会快点把餐具摆好吗? Will they ever have done with their talking? 他们谈话还有完没有? 将来完成时往往可和时时间或条件状语从句连用。 如： When I have done that, I shall have done all I was supposed to do. 我做完这件事，就做了我全部应做的事了。 If you come at seven o’clock, I shall not yet have finished dinner. 你如七点钟来，我还没有吃完晚饭哩。

完成时，顾名思义，是在过去的时间点上谈论未来将会完成月底就不用我的照相机了。 2）He knew by the time he arrived she would have gone home. 他知道他到时她会已经在家。 3）I guessed that Mother would have made some sandwiches by the time we got back. 我猜我们回来时妈妈已经做好一些三明治了。 2、 虚拟句 例句： 1）But I also know that if I could somehow go back, I probably would have done the same thing. 其实我很清楚，如果给我一次重来的机会，我或许还是会做出同样的选择。 2）“If it was possible, I would have done it, ” Kostya said. “要是能做到的话，我肯定会按你说的那么做。” 克斯特亚说。 3）If I refused a customer or a customer complained about me they would have done something bad to me. 如果我拒绝了一个客人或者客人有抱怨，他们会惩罚我。

本书就已经被读了两周了。 8. She told me she would have been teaching in that university for 20 years by that summer. 她告诉我到那年夏天她完成进行时和过去将来完成时，还特地把过去将来完成时在那所大学教书就满20年了。 9. I would have forgotten my mother's birthday if you hadn't reminded me. 如果你不提醒我，我会忘了我妈妈的生日。 10. She would have been travelling for two weeks. 她已经旅游2周了。

表示在过去将来某一时间以前发生的动作，并往往会对过去将来某一时间或者某一时刻产生影响，例如： 1. I thought you'd have come by this time. 我想这会儿你已经来了。 2. He told them he would have finished it by 8 o'clock. 他告诉他们他会在8点以前干完。 3. I guessed that Helen would have told her something. 我猜海伦会告诉她一些情况的。 4. I thought you'd have finished your work by this time. 我想这会儿你已经完完成时从定义上看表示在过去将来某一时间以前发生的动作，并往往会对过去将来某一时成了你的工作。 5. He told them he would have begun it by 7 o'clock. 他告诉他们他会在7点以前开始。 6. I guessed that her mother would have beaten her very hardly. 我猜她的妈妈会打的她非常厉害。 7. I thought you'd have awoke by this time. 我想这会儿你已经醒了。 8. He told them he would have returned this book by 5 o’clock. 他告诉他们他会在5点以前还这本书。 9. I guessed that Mary would have borrowed much money . 我猜玛丽借了很多钱。

将来完成进行时 形式 will/shall have been+现在分词用于第一人称，而 will have been+现在分词用于其他人称。 用法 正如将来完成时一样，它通常与一个以by开头的时间短语连用： By the end of this year he’ll have been acting for thirty years. 到今年年底他当演员就满30年了。 将来完成进完成进行时 形式 will/shall have been+现在分词用于第一人称，而 will have been+现在分词用于其他人称。 用法 正如将来完成时行时与将来完成时的关系和现在完成进行时与现在完成时的关系一样。即在以下情况下可以用将来完成进行时而不用将来完成时： 1. 动作本身就是连续的： By the end of the month he

人称，在争求意见时常用于第二人称。 Which paragraph shall I read first. Will you be at home at seven this evening? 2) be going to +不定式，表示将来。 a. 主语的意图，即完成时与将来进行时与一般将来时区别 将来完成时 1) 构成will / shall + have + p.p. 2) 概念 a. 状态完成将做某事。 What are you going to do tomorrow? b. 计划，安排要发生的事。 The play is going to be produced next month。 c. 有迹象要发生的事 Look at the dark clouds, there is going to be a storm. 3) be +不定式表将来，按计划或正式安排将发生的事。 We are to discuss the report next Saturday. ， 4) be about to +不定式，意为马上做某事。 He is about to leave for Beijing. 注意：be about to 不能与tomorrow, next week 等表示明确将来时的时间状语连用。

完成时和将来完成时从字面的意思上看，它们的区别就在于时间，过去将来完成时，强调的是过去的时间，而将来完成时

完成时态中，would 后接完成式除用于构成过去将来完成时

行时由have/has been + -ing分词构成。它的主要用法与现在完成时的“未完成”用法相仿。 例如： I have been writing letters for an hour ( and I’ve still got some to do ). I have been sitting in the garden ( and have just come indoors ). I have been doing the same job in another company. 我一直在另一家公司里做同样的工作. I have been doing breathing exercises to replenish my energy.  这几天在家养气呢,补充精力. 上述第一例说明动作还将继续下去，第二例说明动作在说话之前刚刚结束。 现在完成时和现在完成进行时有时可以互换使用，含义没有太多明显差别。 例如： We have been living here for ten years. We have lived here for ten years. 但是，由于现在完成进现在完成进行时的用法相较于现在完成时要稍微简单一点，有时可以两者互换 但是，同学们在使用现在完成进行时行时还带有进行时

定语从句是英语中常见的语法结构，掌握定语从句的使用对于提高英语语法水平和写作能力至关重要。本文将就定语从句的概念、用法和一些练习题进行深入探讨，帮助读者更好地理解和灵活运用定语从句。 一、定语从句的概念及用法回顾 定语从句是用来修饰名词或代词的从句，在句子中充当定语的成分。定语从句有关系词引导，如关系代词who, whom, which, that, whose，以及关系副词when, where, why等。定语从句可以对先行词进行详细的说明或限定。 二、定语从句的练习题示例 请填入合适的关系词完成定语从句：The girl _____ won the singing