I'll be wittering you'll be wittering he'll be wittering we'll be wittering you'll be wittering they'll be wittering
Futur antérieur
I'll have wittered you'll have wittered he'll have wittered we'll have wittered you'll have wittered they'll have wittered
Futur antérieur continu
I'll have been wittering you'll have been wittering he'll have been wittering we'll have been wittering you'll have been wittering they'll have been wittering
I'd be wittering you'd be wittering he'd be wittering we'd be wittering you'd be wittering they'd be wittering
Passé
I'd have wittered you'd have wittered he'd have wittered we'd have wittered you'd have wittered they'd have wittered
Passé continu
I'd have been wittering you'd have been wittering he'd have been wittering we'd have been wittering you'd have been wittering they'd have been wittering