What is the difference between these three sentences and what is the exact meaning of them? In particular, what is the exact meaning of would in the third sentence?
How do you know?
How did you know?
How would you know?
Has would got the same meaning in the following sentences?
Why would you do that?
This would be great.
How would you know?
What would you want?
Best Answer
This is quite a nice answer to your question.
In response to your first question, here's what I would say:
The above examples mean the same thing, just one is in the present and one is asking about the past.
You can see in answer B that you can put the stress on would or you, to differ the meaning. E.g:
Overall, the difference between do and would in this context is:
and
In response to your second question, again, you should look here.