can captain
Verbo regular: captain - captained- captained

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can captain
you can captain
she can captain
we can captain
you can captain
they can captain 	I can be captaining
you can be captaining
she can be captaining
we can be captaining
you can be captaining
they can be captaining	I can have captained
you can have captained
she can have captained
we can have captained
you can have captained
they can have captained	I can have been captaining
you can have been captaining
she can have been captaining
we can have been captaining
you can have been captaining
they can have been captaining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot captain
you cannot captain
she cannot captain
we cannot captain
you cannot captain
they cannot captain 	I cannot be captaining
you cannot be captaining
she cannot be captaining
we cannot be captaining
you cannot be captaining
they cannot be captaining	I cannot have captained
you cannot have captained
she cannot have captained
we cannot have captained
you cannot have captained
they cannot have captained	I cannot have been captaining
you cannot have been captaining
she cannot have been captaining
we cannot have been captaining
you cannot have been captaining
they cannot have been captaining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I captain?
can you captain?
can she captain?
can we captain?
can you captain?
can they captain? 	can I be captaining?
can you be captaining?
can she be captaining?
can we be captaining?
can you be captaining?
can they be captaining? 	can I have captained?
can you have captained?
can she have captained?
can we have captained?
can you have captained?
can they have captained? 	can I have been captaining?
can you have been captaining?
can she have been captaining?
can we have been captaining?
can you have been captaining?
can they have been captaining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not captain?
can you not captain?
can she not captain?
can we not captain?
can you not captain?
can they not captain? 	can I not be captaining?
can you not be captaining?
can she not be captaining?
can we not be captaining?
can you not be captaining?
can they not be captaining? 	can I not have captained?
can you not have captained?
can she not have captained?
can we not have captained?
can you not have captained?
can they not have captained? 	can I not have been captaining?
can you not have been captaining?
can she not have been captaining?
can we not have been captaining?
can you not have been captaining?
can they not have been captaining?