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