I could retrofit you could retrofit he could retrofit we could retrofit you could retrofit they could retrofit
Form mit V-ing
I could be retrofiting you could be retrofiting he could be retrofiting we could be retrofiting you could be retrofiting they could be retrofiting
Perfekt
I could have retrofit you could have retrofit he could have retrofit we could have retrofit you could have retrofit they could have retrofit
Perfekt mit V-ing
I could have been retrofiting you could have been retrofiting he could have been retrofiting we could have been retrofiting you could have been retrofiting they could have been retrofiting
Negation
Einfache Form
I couldn't retrofit you couldn't retrofit he couldn't retrofit we couldn't retrofit you couldn't retrofit they couldn't retrofit
Form mit V-ing
I couldn't be retrofiting you couldn't be retrofiting he couldn't be retrofiting we couldn't be retrofiting you couldn't be retrofiting they couldn't be retrofiting
Perfekt
I couldn't have retrofit you couldn't have retrofit he couldn't have retrofit we couldn't have retrofit you couldn't have retrofit they couldn't have retrofit
Perfekt mit V-ing
I couldn't have been retrofiting you couldn't have been retrofiting he couldn't have been retrofiting we couldn't have been retrofiting you couldn't have been retrofiting they couldn't have been retrofiting
Fragende Form
Einfache Form
could I retrofit? could you retrofit? could he retrofit? could we retrofit? could you retrofit? could they retrofit?
Form mit V-ing
could I be retrofiting? could you be retrofiting? could he be retrofiting? could we be retrofiting? could you be retrofiting? could they be retrofiting?
Perfekt
could I have retrofit? could you have retrofit? could he have retrofit? could we have retrofit? could you have retrofit? could they have retrofit?
Perfekt mit V-ing
could I have been retrofiting? could you have been retrofiting? could he have been retrofiting? could we have been retrofiting? could you have been retrofiting? could they have been retrofiting?
Fragende Negation Form
Einfache Form
couldn't I retrofit? couldn't you retrofit? couldn't he retrofit? couldn't we retrofit? couldn't you retrofit? couldn't they retrofit?
Form mit V-ing
couldn't I be retrofiting? couldn't you be retrofiting? couldn't he be retrofiting? couldn't we be retrofiting? couldn't you be retrofiting? couldn't they be retrofiting?
Perfekt
couldn't I have retrofit? couldn't you have retrofit? couldn't he have retrofit? couldn't we have retrofit? couldn't you have retrofit? couldn't they have retrofit?
Perfekt mit V-ing
couldn't I have been retrofiting? couldn't you have been retrofiting? couldn't he have been retrofiting? couldn't we have been retrofiting? couldn't you have been retrofiting? couldn't they have been retrofiting?