I'd be buttressing you'd be buttressing he'd be buttressing we'd be buttressing you'd be buttressing they'd be buttressing
Perfect
I should've buttressed you should've buttressed he should've buttressed we should've buttressed you should've buttressed they should've buttressed
Perfect en V-ing
I should've been buttressing you should've been buttressing he should've been buttressing we should've been buttressing you should've been buttressing they should've been buttressing
Négation
Forme simple
I shouldn't buttress you shouldn't buttress he shouldn't buttress we shouldn't buttress you shouldn't buttress they shouldn't buttress
Forme en V-ing
I shouldn't be buttressing you shouldn't be buttressing he shouldn't be buttressing we shouldn't be buttressing you shouldn't be buttressing they shouldn't be buttressing
Perfect
I shouldn't have buttressed you shouldn't have buttressed he shouldn't have buttressed we shouldn't have buttressed you shouldn't have buttressed they shouldn't have buttressed
Perfect en V-ing
I shouldn't have been buttressing you shouldn't have been buttressing he shouldn't have been buttressing we shouldn't have been buttressing you shouldn't have been buttressing they shouldn't have been buttressing
Forme interrogative
Forme simple
should I buttress? should you buttress? should he buttress? should we buttress? should you buttress? should they buttress?
Forme en V-ing
should I be buttressing? should you be buttressing? should he be buttressing? should we be buttressing? should you be buttressing? should they be buttressing?
Perfect
should I have buttressed? should you have buttressed? should he have buttressed? should we have buttressed? should you have buttressed? should they have buttressed?
Perfect en V-ing
should I have been buttressing? should you have been buttressing? should he have been buttressing? should we have been buttressing? should you have been buttressing? should they have been buttressing?
Forme interro-négative
Forme simple
shouldn't I buttress? shouldn't you buttress? shouldn't he buttress? shouldn't we buttress? shouldn't you buttress? shouldn't they buttress?
Forme en V-ing
shouldn't I be buttressing? shouldn't you be buttressing? shouldn't he be buttressing? shouldn't we be buttressing? shouldn't you be buttressing? shouldn't they be buttressing?
Perfect
shouldn't I have buttressed? shouldn't you have buttressed? shouldn't he have buttressed? shouldn't we have buttressed? shouldn't you have buttressed? shouldn't they have buttressed?
Perfect en V-ing
shouldn't I have been buttressing? shouldn't you have been buttressing? shouldn't he have been buttressing? shouldn't we have been buttressing? shouldn't you have been buttressing? shouldn't they have been buttressing?