can purify
Verbo regular: purify - purified- purified

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can purify
you can purify
he can purify
we can purify
you can purify
they can purify 	I can be purifying
you can be purifying
he can be purifying
we can be purifying
you can be purifying
they can be purifying	I can have purified
you can have purified
he can have purified
we can have purified
you can have purified
they can have purified	I can have been purifying
you can have been purifying
he can have been purifying
we can have been purifying
you can have been purifying
they can have been purifying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot purify
you cannot purify
he cannot purify
we cannot purify
you cannot purify
they cannot purify 	I cannot be purifying
you cannot be purifying
he cannot be purifying
we cannot be purifying
you cannot be purifying
they cannot be purifying	I cannot have purified
you cannot have purified
he cannot have purified
we cannot have purified
you cannot have purified
they cannot have purified	I cannot have been purifying
you cannot have been purifying
he cannot have been purifying
we cannot have been purifying
you cannot have been purifying
they cannot have been purifying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I purify?
can you purify?
can he purify?
can we purify?
can you purify?
can they purify? 	can I be purifying?
can you be purifying?
can he be purifying?
can we be purifying?
can you be purifying?
can they be purifying? 	can I have purified?
can you have purified?
can he have purified?
can we have purified?
can you have purified?
can they have purified? 	can I have been purifying?
can you have been purifying?
can he have been purifying?
can we have been purifying?
can you have been purifying?
can they have been purifying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not purify?
can you not purify?
can he not purify?
can we not purify?
can you not purify?
can they not purify? 	can I not be purifying?
can you not be purifying?
can he not be purifying?
can we not be purifying?
can you not be purifying?
can they not be purifying? 	can I not have purified?
can you not have purified?
can he not have purified?
can we not have purified?
can you not have purified?
can they not have purified? 	can I not have been purifying?
can you not have been purifying?
can he not have been purifying?
can we not have been purifying?
can you not have been purifying?
can they not have been purifying?