I'd be formulating you'd be formulating she'd be formulating we'd be formulating you'd be formulating they'd be formulating
Perfect
I should've formulated you should've formulated she should've formulated we should've formulated you should've formulated they should've formulated
Perfect en V-ing
I should've been formulating you should've been formulating she should've been formulating we should've been formulating you should've been formulating they should've been formulating
Négation
Forme simple
I shouldn't formulate you shouldn't formulate she shouldn't formulate we shouldn't formulate you shouldn't formulate they shouldn't formulate
Forme en V-ing
I shouldn't be formulating you shouldn't be formulating she shouldn't be formulating we shouldn't be formulating you shouldn't be formulating they shouldn't be formulating
Perfect
I shouldn't have formulated you shouldn't have formulated she shouldn't have formulated we shouldn't have formulated you shouldn't have formulated they shouldn't have formulated
Perfect en V-ing
I shouldn't have been formulating you shouldn't have been formulating she shouldn't have been formulating we shouldn't have been formulating you shouldn't have been formulating they shouldn't have been formulating
Forme interrogative
Forme simple
should I formulate? should you formulate? should she formulate? should we formulate? should you formulate? should they formulate?
Forme en V-ing
should I be formulating? should you be formulating? should she be formulating? should we be formulating? should you be formulating? should they be formulating?
Perfect
should I have formulated? should you have formulated? should she have formulated? should we have formulated? should you have formulated? should they have formulated?
Perfect en V-ing
should I have been formulating? should you have been formulating? should she have been formulating? should we have been formulating? should you have been formulating? should they have been formulating?
Forme interro-négative
Forme simple
shouldn't I formulate? shouldn't you formulate? shouldn't she formulate? shouldn't we formulate? shouldn't you formulate? shouldn't they formulate?
Forme en V-ing
shouldn't I be formulating? shouldn't you be formulating? shouldn't she be formulating? shouldn't we be formulating? shouldn't you be formulating? shouldn't they be formulating?
Perfect
shouldn't I have formulated? shouldn't you have formulated? shouldn't she have formulated? shouldn't we have formulated? shouldn't you have formulated? shouldn't they have formulated?
Perfect en V-ing
shouldn't I have been formulating? shouldn't you have been formulating? shouldn't she have been formulating? shouldn't we have been formulating? shouldn't you have been formulating? shouldn't they have been formulating?