He was not at the meeting.
[color=darkred]1-He must have had an accident again.
[color=blue]2-He will have had an accident again.
[color=red]3-He shall have had an accident again.
[color=blue]4-He would have had an accident again.
[color=red]5-He should have had an accident again.
Which of the sentence 1-4 are correct in this context?
They are supposed to mean just about the same: He probably (or very porbably) had an accident.
Gratefully,
Navi.