can appear
Verbo regular: appear - appeared- appeared

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can appear
you can appear
he can appear
we can appear
you can appear
they can appear 	I can be appearing
you can be appearing
he can be appearing
we can be appearing
you can be appearing
they can be appearing	I can have appeared
you can have appeared
he can have appeared
we can have appeared
you can have appeared
they can have appeared	I can have been appearing
you can have been appearing
he can have been appearing
we can have been appearing
you can have been appearing
they can have been appearing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot appear
you cannot appear
he cannot appear
we cannot appear
you cannot appear
they cannot appear 	I cannot be appearing
you cannot be appearing
he cannot be appearing
we cannot be appearing
you cannot be appearing
they cannot be appearing	I cannot have appeared
you cannot have appeared
he cannot have appeared
we cannot have appeared
you cannot have appeared
they cannot have appeared	I cannot have been appearing
you cannot have been appearing
he cannot have been appearing
we cannot have been appearing
you cannot have been appearing
they cannot have been appearing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I appear?
can you appear?
can he appear?
can we appear?
can you appear?
can they appear? 	can I be appearing?
can you be appearing?
can he be appearing?
can we be appearing?
can you be appearing?
can they be appearing? 	can I have appeared?
can you have appeared?
can he have appeared?
can we have appeared?
can you have appeared?
can they have appeared? 	can I have been appearing?
can you have been appearing?
can he have been appearing?
can we have been appearing?
can you have been appearing?
can they have been appearing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not appear?
can you not appear?
can he not appear?
can we not appear?
can you not appear?
can they not appear? 	can I not be appearing?
can you not be appearing?
can he not be appearing?
can we not be appearing?
can you not be appearing?
can they not be appearing? 	can I not have appeared?
can you not have appeared?
can he not have appeared?
can we not have appeared?
can you not have appeared?
can they not have appeared? 	can I not have been appearing?
can you not have been appearing?
can he not have been appearing?
can we not have been appearing?
can you not have been appearing?
can they not have been appearing?