can burn
Verbo regular: burn - burned- burned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can burn
you can burn
he can burn
we can burn
you can burn
they can burn 	I can be burning
you can be burning
he can be burning
we can be burning
you can be burning
they can be burning	I can have burned
you can have burned
he can have burned
we can have burned
you can have burned
they can have burned	I can have been burning
you can have been burning
he can have been burning
we can have been burning
you can have been burning
they can have been burning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot burn
you cannot burn
he cannot burn
we cannot burn
you cannot burn
they cannot burn 	I cannot be burning
you cannot be burning
he cannot be burning
we cannot be burning
you cannot be burning
they cannot be burning	I cannot have burned
you cannot have burned
he cannot have burned
we cannot have burned
you cannot have burned
they cannot have burned	I cannot have been burning
you cannot have been burning
he cannot have been burning
we cannot have been burning
you cannot have been burning
they cannot have been burning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I burn?
can you burn?
can he burn?
can we burn?
can you burn?
can they burn? 	can I be burning?
can you be burning?
can he be burning?
can we be burning?
can you be burning?
can they be burning? 	can I have burned?
can you have burned?
can he have burned?
can we have burned?
can you have burned?
can they have burned? 	can I have been burning?
can you have been burning?
can he have been burning?
can we have been burning?
can you have been burning?
can they have been burning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not burn?
can you not burn?
can he not burn?
can we not burn?
can you not burn?
can they not burn? 	can I not be burning?
can you not be burning?
can he not be burning?
can we not be burning?
can you not be burning?
can they not be burning? 	can I not have burned?
can you not have burned?
can he not have burned?
can we not have burned?
can you not have burned?
can they not have burned? 	can I not have been burning?
can you not have been burning?
can he not have been burning?
can we not have been burning?
can you not have been burning?
can they not have been burning?