ought to retrofit
Verbo irregular: retrofit - retrofit- retrofit

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to retrofit
you ought to retrofit
he ought to retrofit
we ought to retrofit
you ought to retrofit
they ought to retrofit 	I ought to be retrofiting
you ought to be retrofiting
he ought to be retrofiting
we ought to be retrofiting
you ought to be retrofiting
they ought to be retrofiting	I ought to have retrofit
you ought to have retrofit
he ought to have retrofit
we ought to have retrofit
you ought to have retrofit
they ought to have retrofit	I ought to have been retrofiting
you ought to have been retrofiting
he ought to have been retrofiting
we ought to have been retrofiting
you ought to have been retrofiting
they ought to have been retrofiting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to retrofit
you ought not to retrofit
he ought not to retrofit
we ought not to retrofit
you ought not to retrofit
they ought not to retrofit 	I ought not to retrofiting
you ought not to retrofiting
he ought not to retrofiting
we ought not to retrofiting
you ought not to retrofiting
they ought not to retrofiting	I ought not to have retrofit
you ought not to have retrofit
he ought not to have retrofit
we ought not to have retrofit
you ought not to have retrofit
they ought not to have retrofit	I ought not to have been retrofiting
you ought not to have been retrofiting
he ought not to have been retrofiting
we ought not to have been retrofiting
you ought not to have been retrofiting
they ought not to have been retrofiting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I retrofit?
ought to you retrofit?
ought to he retrofit?
ought to we retrofit?
ought to you retrofit?
ought to they retrofit? 	ought to I be retrofiting?
ought to you be retrofiting?
ought to he be retrofiting?
ought to we be retrofiting?
ought to you be retrofiting?
ought to they be retrofiting? 	ought to I have retrofit?
ought to you have retrofit?
ought to he have retrofit?
ought to we have retrofit?
ought to you have retrofit?
ought to they have retrofit? 	ought to I have been retrofiting?
ought to you have been retrofiting?
ought to he have been retrofiting?
ought to we have been retrofiting?
ought to you have been retrofiting?
ought to they have been retrofiting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to retrofit?
ought you not to retrofit?
ought he not to retrofit?
ought we not to retrofit?
ought you not to retrofit?
ought they not to retrofit? 	ought I not to be retrofiting?
ought you not to be retrofiting?
ought he not to be retrofiting?
ought we not to be retrofiting?
ought you not to be retrofiting?
ought they not to be retrofiting? 	ought I not to have retrofit?
ought you not to have retrofit?
ought he not to have retrofit?
ought we not to have retrofit?
ought you not to have retrofit?
ought they not to have retrofit? 	ought I not to have been retrofiting?
ought you not to have been retrofiting?
ought he not to have been retrofiting?
ought we not to have been retrofiting?
ought you not to have been retrofiting?
ought they not to have been retrofiting?