can customize
Regular verb: customize - customized- customized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can customize
you can customize
she can customize
we can customize
you can customize
they can customize 	I can be customizing
you can be customizing
she can be customizing
we can be customizing
you can be customizing
they can be customizing	I can have customized
you can have customized
she can have customized
we can have customized
you can have customized
they can have customized	I can have been customizing
you can have been customizing
she can have been customizing
we can have been customizing
you can have been customizing
they can have been customizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't customize
you can't customize
she can't customize
we can't customize
you can't customize
they can't customize 	I can't be customizing
you can't be customizing
she can't be customizing
we can't be customizing
you can't be customizing
they can't be customizing	I can't have customized
you can't have customized
she can't have customized
we can't have customized
you can't have customized
they can't have customized	I can't have been customizing
you can't have been customizing
she can't have been customizing
we can't have been customizing
you can't have been customizing
they can't have been customizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I customize?
can you customize?
can she customize?
can we customize?
can you customize?
can they customize? 	can I be customizing?
can you be customizing?
can she be customizing?
can we be customizing?
can you be customizing?
can they be customizing? 	can I have customized?
can you have customized?
can she have customized?
can we have customized?
can you have customized?
can they have customized? 	can I have been customizing?
can you have been customizing?
can she have been customizing?
can we have been customizing?
can you have been customizing?
can they have been customizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I customize?
can't you customize?
can't she customize?
can't we customize?
can't you customize?
can't they customize? 	can't I be customizing?
can't you be customizing?
can't she be customizing?
can't we be customizing?
can't you be customizing?
can't they be customizing? 	can't I have customized?
can't you have customized?
can't she have customized?
can't we have customized?
can't you have customized?
can't they have customized? 	can't I have been customizing?
can't you have been customizing?
can't she have been customizing?
can't we have been customizing?
can't you have been customizing?
can't they have been customizing?