I can retrofit you can retrofit he can retrofit we can retrofit you can retrofit they can retrofit
Forma com V-ing
I can be retrofiting you can be retrofiting he can be retrofiting we can be retrofiting you can be retrofiting they can be retrofiting
Perfeito
I can have retrofit you can have retrofit he can have retrofit we can have retrofit you can have retrofit they can have retrofit
Perfeito com V-ing
I can have been retrofiting you can have been retrofiting he can have been retrofiting we can have been retrofiting you can have been retrofiting they can have been retrofiting
Negação
Forma simple
I can't retrofit you can't retrofit he can't retrofit we can't retrofit you can't retrofit they can't retrofit
Forma com V-ing
I can't be retrofiting you can't be retrofiting he can't be retrofiting we can't be retrofiting you can't be retrofiting they can't be retrofiting
Perfeito
I can't have retrofit you can't have retrofit he can't have retrofit we can't have retrofit you can't have retrofit they can't have retrofit
Perfeito com V-ing
I can't have been retrofiting you can't have been retrofiting he can't have been retrofiting we can't have been retrofiting you can't have been retrofiting they can't have been retrofiting
Forma interrogativa
Forma simple
can I retrofit? can you retrofit? can he retrofit? can we retrofit? can you retrofit? can they retrofit?
Forma com V-ing
can I be retrofiting? can you be retrofiting? can he be retrofiting? can we be retrofiting? can you be retrofiting? can they be retrofiting?
Perfeito
can I have retrofit? can you have retrofit? can he have retrofit? can we have retrofit? can you have retrofit? can they have retrofit?
Perfeito com V-ing
can I have been retrofiting? can you have been retrofiting? can he have been retrofiting? can we have been retrofiting? can you have been retrofiting? can they have been retrofiting?
Forma interro-Negação
Forma simple
can't I retrofit? can't you retrofit? can't he retrofit? can't we retrofit? can't you retrofit? can't they retrofit?
Forma com V-ing
can't I be retrofiting? can't you be retrofiting? can't he be retrofiting? can't we be retrofiting? can't you be retrofiting? can't they be retrofiting?
Perfeito
can't I have retrofit? can't you have retrofit? can't he have retrofit? can't we have retrofit? can't you have retrofit? can't they have retrofit?
Perfeito com V-ing
can't I have been retrofiting? can't you have been retrofiting? can't he have been retrofiting? can't we have been retrofiting? can't you have been retrofiting? can't they have been retrofiting?