can retrofit
Verbo irregular: retrofit - retrofit- retrofit

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can retrofit
you can retrofit
he can retrofit
we can retrofit
you can retrofit
they can retrofit 	I can be retrofiting
you can be retrofiting
he can be retrofiting
we can be retrofiting
you can be retrofiting
they can be retrofiting	I can have retrofit
you can have retrofit
he can have retrofit
we can have retrofit
you can have retrofit
they can have retrofit	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 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot retrofit
you cannot retrofit
he cannot retrofit
we cannot retrofit
you cannot retrofit
they cannot retrofit 	I cannot be retrofiting
you cannot be retrofiting
he cannot be retrofiting
we cannot be retrofiting
you cannot be retrofiting
they cannot be retrofiting	I cannot have retrofit
you cannot have retrofit
he cannot have retrofit
we cannot have retrofit
you cannot have retrofit
they cannot have retrofit	I cannot have been retrofiting
you cannot have been retrofiting
he cannot have been retrofiting
we cannot have been retrofiting
you cannot have been retrofiting
they cannot have been retrofiting	

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