could have done中文什么意思

• 本来能做成的(却没做成)(虚拟语气)

• could:     (can 的过去式) 1.〔特殊用例〕打算，要，想。 ...
• have:    vt. 1.有，持有，具有，含有。 How much m ...
• done:    adj. 1.已完成的，完毕了的。 2.疲倦极了的，精疲 ...
• that i never could have done this book:    我不可能完成这本书
• what i could have done in another way:    如果我能用另一种方式; 我本能以另一种方式

例句与用法

1. If you had given the job to me i could have done it in half the time .
   你要是把这活儿交给我，我早就做完了。
2. The most they could have done was to lock mr. hatch up while he cooled off for a few days, or refine him a little something .
   他们至多把哈奇关上几天，让他冷静下来，或是罚他几个钱。
3. I could have done it in twenty - four hours
   我能在二十四小时之内解决这样的问题。
4. I could have done better if i was more careful
   如果我小心一点，就会考得更好。
5. No , but no one else could have done it , sir
   没有，但别的人也不会干这种事情，先生