We use simple past to state a hypothetical present situation that we would like to speculate about (If they were here, I would be happy), past perfect for a hypothetical past (had they been here, I ...
What are the differences in meaning between the below two sentences: He was just offered a well-paid job with Radio Four. (Past Simple Passive) He has just been offered a well-paid job with ...
Being a non native speaker, I cannot spot the difference here: He would have had to have been there. He would have had to be there. The only thing that comes to my mind is that in the first case, ...