can concretize
Regular verb: concretize - concretized- concretized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can concretize
you can concretize
she can concretize
we can concretize
you can concretize
they can concretize 	I can be concretizing
you can be concretizing
she can be concretizing
we can be concretizing
you can be concretizing
they can be concretizing	I can have concretized
you can have concretized
she can have concretized
we can have concretized
you can have concretized
they can have concretized	I can have been concretizing
you can have been concretizing
she can have been concretizing
we can have been concretizing
you can have been concretizing
they can have been concretizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't concretize
you can't concretize
she can't concretize
we can't concretize
you can't concretize
they can't concretize 	I can't be concretizing
you can't be concretizing
she can't be concretizing
we can't be concretizing
you can't be concretizing
they can't be concretizing	I can't have concretized
you can't have concretized
she can't have concretized
we can't have concretized
you can't have concretized
they can't have concretized	I can't have been concretizing
you can't have been concretizing
she can't have been concretizing
we can't have been concretizing
you can't have been concretizing
they can't have been concretizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I concretize?
can you concretize?
can she concretize?
can we concretize?
can you concretize?
can they concretize? 	can I be concretizing?
can you be concretizing?
can she be concretizing?
can we be concretizing?
can you be concretizing?
can they be concretizing? 	can I have concretized?
can you have concretized?
can she have concretized?
can we have concretized?
can you have concretized?
can they have concretized? 	can I have been concretizing?
can you have been concretizing?
can she have been concretizing?
can we have been concretizing?
can you have been concretizing?
can they have been concretizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I concretize?
can't you concretize?
can't she concretize?
can't we concretize?
can't you concretize?
can't they concretize? 	can't I be concretizing?
can't you be concretizing?
can't she be concretizing?
can't we be concretizing?
can't you be concretizing?
can't they be concretizing? 	can't I have concretized?
can't you have concretized?
can't she have concretized?
can't we have concretized?
can't you have concretized?
can't they have concretized? 	can't I have been concretizing?
can't you have been concretizing?
can't she have been concretizing?
can't we have been concretizing?
can't you have been concretizing?
can't they have been concretizing?