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