can conceal
Verbo regular: conceal - concealed- concealed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can conceal
you can conceal
she can conceal
we can conceal
you can conceal
they can conceal 	I can be concealing
you can be concealing
she can be concealing
we can be concealing
you can be concealing
they can be concealing	I can have concealed
you can have concealed
she can have concealed
we can have concealed
you can have concealed
they can have concealed	I can have been concealing
you can have been concealing
she can have been concealing
we can have been concealing
you can have been concealing
they can have been concealing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot conceal
you cannot conceal
she cannot conceal
we cannot conceal
you cannot conceal
they cannot conceal 	I cannot be concealing
you cannot be concealing
she cannot be concealing
we cannot be concealing
you cannot be concealing
they cannot be concealing	I cannot have concealed
you cannot have concealed
she cannot have concealed
we cannot have concealed
you cannot have concealed
they cannot have concealed	I cannot have been concealing
you cannot have been concealing
she cannot have been concealing
we cannot have been concealing
you cannot have been concealing
they cannot have been concealing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I conceal?
can you conceal?
can she conceal?
can we conceal?
can you conceal?
can they conceal? 	can I be concealing?
can you be concealing?
can she be concealing?
can we be concealing?
can you be concealing?
can they be concealing? 	can I have concealed?
can you have concealed?
can she have concealed?
can we have concealed?
can you have concealed?
can they have concealed? 	can I have been concealing?
can you have been concealing?
can she have been concealing?
can we have been concealing?
can you have been concealing?
can they have been concealing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not conceal?
can you not conceal?
can she not conceal?
can we not conceal?
can you not conceal?
can they not conceal? 	can I not be concealing?
can you not be concealing?
can she not be concealing?
can we not be concealing?
can you not be concealing?
can they not be concealing? 	can I not have concealed?
can you not have concealed?
can she not have concealed?
can we not have concealed?
can you not have concealed?
can they not have concealed? 	can I not have been concealing?
can you not have been concealing?
can she not have been concealing?
can we not have been concealing?
can you not have been concealing?
can they not have been concealing?