can roast
Verbo regular: roast - roasted- roasted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can roast
you can roast
he can roast
we can roast
you can roast
they can roast 	I can be roasting
you can be roasting
he can be roasting
we can be roasting
you can be roasting
they can be roasting	I can have roasted
you can have roasted
he can have roasted
we can have roasted
you can have roasted
they can have roasted	I can have been roasting
you can have been roasting
he can have been roasting
we can have been roasting
you can have been roasting
they can have been roasting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot roast
you cannot roast
he cannot roast
we cannot roast
you cannot roast
they cannot roast 	I cannot be roasting
you cannot be roasting
he cannot be roasting
we cannot be roasting
you cannot be roasting
they cannot be roasting	I cannot have roasted
you cannot have roasted
he cannot have roasted
we cannot have roasted
you cannot have roasted
they cannot have roasted	I cannot have been roasting
you cannot have been roasting
he cannot have been roasting
we cannot have been roasting
you cannot have been roasting
they cannot have been roasting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I roast?
can you roast?
can he roast?
can we roast?
can you roast?
can they roast? 	can I be roasting?
can you be roasting?
can he be roasting?
can we be roasting?
can you be roasting?
can they be roasting? 	can I have roasted?
can you have roasted?
can he have roasted?
can we have roasted?
can you have roasted?
can they have roasted? 	can I have been roasting?
can you have been roasting?
can he have been roasting?
can we have been roasting?
can you have been roasting?
can they have been roasting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not roast?
can you not roast?
can he not roast?
can we not roast?
can you not roast?
can they not roast? 	can I not be roasting?
can you not be roasting?
can he not be roasting?
can we not be roasting?
can you not be roasting?
can they not be roasting? 	can I not have roasted?
can you not have roasted?
can he not have roasted?
can we not have roasted?
can you not have roasted?
can they not have roasted? 	can I not have been roasting?
can you not have been roasting?
can he not have been roasting?
can we not have been roasting?
can you not have been roasting?
can they not have been roasting?