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