can ionize
Regular verb: ionize - ionized- ionized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can ionize
you can ionize
he can ionize
we can ionize
you can ionize
they can ionize 	I can be ionizing
you can be ionizing
he can be ionizing
we can be ionizing
you can be ionizing
they can be ionizing	I can have ionized
you can have ionized
he can have ionized
we can have ionized
you can have ionized
they can have ionized	I can have been ionizing
you can have been ionizing
he can have been ionizing
we can have been ionizing
you can have been ionizing
they can have been ionizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot ionize
you cannot ionize
he cannot ionize
we cannot ionize
you cannot ionize
they cannot ionize 	I cannot be ionizing
you cannot be ionizing
he cannot be ionizing
we cannot be ionizing
you cannot be ionizing
they cannot be ionizing	I cannot have ionized
you cannot have ionized
he cannot have ionized
we cannot have ionized
you cannot have ionized
they cannot have ionized	I cannot have been ionizing
you cannot have been ionizing
he cannot have been ionizing
we cannot have been ionizing
you cannot have been ionizing
they cannot have been ionizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I ionize?
can you ionize?
can he ionize?
can we ionize?
can you ionize?
can they ionize? 	can I be ionizing?
can you be ionizing?
can he be ionizing?
can we be ionizing?
can you be ionizing?
can they be ionizing? 	can I have ionized?
can you have ionized?
can he have ionized?
can we have ionized?
can you have ionized?
can they have ionized? 	can I have been ionizing?
can you have been ionizing?
can he have been ionizing?
can we have been ionizing?
can you have been ionizing?
can they have been ionizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not ionize?
can you not ionize?
can he not ionize?
can we not ionize?
can you not ionize?
can they not ionize? 	can I not be ionizing?
can you not be ionizing?
can he not be ionizing?
can we not be ionizing?
can you not be ionizing?
can they not be ionizing? 	can I not have ionized?
can you not have ionized?
can he not have ionized?
can we not have ionized?
can you not have ionized?
can they not have ionized? 	can I not have been ionizing?
can you not have been ionizing?
can he not have been ionizing?
can we not have been ionizing?
can you not have been ionizing?
can they not have been ionizing?