16-tense-types

"been" : past participle of "Be".

  1. 一般时：do
    1. 过去：did _________________ - was/were + done.
      -I went to the library several times.
    2. 现在：do/does _____________- am/is/are + done
    3. 将来：shall/will do _ _______ - will be + done
    4. 过去将来：should/would do _- would be + done. 【时】用于表示过去某个时间点之前，【态】所做出的将来动作或预测。-过去认为将来会发生。
      • Should： 表示“应该”，常用于建议、义务、责任或合理的期望。带有一种规范性或道德性的语气，强调“应当做某事”。
        例句：You should study harder.（你应该更努力学习。）
      • Would： 表示“会”或“愿意”，常用于虚拟语气、假设情况、意愿或过去习惯。 语气更柔和，描述可能性或意愿，而非义务。
        例句：I would help you if I could.（如果我能，我会帮你。）
  2. 进行时：be doing 强调动作处于进行过程。
    1. 过去：was/were doing ____________ - was/were being + done.
    2. 现在：am/is/are doing ___________ - am/is/are being + done.
    3. 将来：shall/will be doing ___ _ _ __ - will be being + done. 【时】用于描述将来某个时刻正在进行的动作，【态】强调动作将会持续一段时间，通常与其他将来时态连用来提供更加详细和完整的表达。
    4. 过去将来：should/would be doing _- would be being + done.
  3. 完成时：have done 强调动作在某个时刻已经完成。 -have been(单纯的强调动作完成)。
    1. 过去：had done _________________ _ - had been + done.
    2. 现在：have/has done ____________ _ - have/has been done.
      "He has been to the library." -我去过图书馆（已经回来了）。
      "He has gone to the library." -我去了图书馆（现在还在那里）。
    3. 将来：shall/will have done __ _ _ _ _ - will have been + done.
    4. 过去将来：should/would have done_ - would have been + done.
  4. 完成进行：have done + be doing = have been doing 强调动作在完成时刻之前一直持续进行。
    特殊的：having(助动词)-been having(实义动词) sth ...
    1. 过去：had been doing _________________ _ - had been being + done.
      Sounds like you should have started borrowing books a bit earlier. -情态动词“should” + “have” + 过去分词“started”，构成“should have started”。 “should have + 过去分词”表示过去本该发生但未发生的事情，带有一种建议或遗憾的语气。
    2. 现在：have/has been doing ____________ _ - have/has been being + done. 【时】用于描述一个从过去某个时间点开始一直持续到现在的动作或状态，【态】强调动作的持续性和连续性。通过完成进行时态，可以更准确地传达动作从过去到现在的持续性和发展过程。
      I'm also having - been having - trouble getting hold of the books.
    3. 将来：shall/will have been doing will _ _ _ _ - have been being + done. 【时】用于表示将来某个时间点之前将持续一段时间的动作或状态，【态】强调这段时间内的连续性和发展过程。通过这种时态，可以清楚地表达未来某一时刻之前的动作状态将会持续多久以及其可能的影响。
    4. 过去将来：should/would have been doing _ - would have been being + done. 【时】用于表示在过去的某个特定时间点之前将会已经开始并持续一段时间的动作或情况。【态】强调过去某个时间点之前该动作或状态的持续性。