-Hi, Clive. Thank you for your answer. But I want to analyse the difference between both sentences. I think if there is any difference between these sentences, it must be that of observing point. I think in A the speaker's observing point is a certain past point, while in B the observing point is "now" [the time the speaker is mentioning this sentence]. Am I r
I want to analyse the difference between both sentences. I think if there is any difference between these sentences, it must be that of observing point. I think in