could aprize
Regular verb: aprize - aprized- aprized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could aprize
you could aprize
he could aprize
we could aprize
you could aprize
they could aprize 	I could be aprizing
you could be aprizing
he could be aprizing
we could be aprizing
you could be aprizing
they could be aprizing	I could have aprized
you could have aprized
he could have aprized
we could have aprized
you could have aprized
they could have aprized	I could have been aprizing
you could have been aprizing
he could have been aprizing
we could have been aprizing
you could have been aprizing
they could have been aprizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't aprize
you couldn't aprize
he couldn't aprize
we couldn't aprize
you couldn't aprize
they couldn't aprize 	I couldn't be aprizing
you couldn't be aprizing
he couldn't be aprizing
we couldn't be aprizing
you couldn't be aprizing
they couldn't be aprizing	I couldn't have aprized
you couldn't have aprized
he couldn't have aprized
we couldn't have aprized
you couldn't have aprized
they couldn't have aprized	I couldn't have been aprizing
you couldn't have been aprizing
he couldn't have been aprizing
we couldn't have been aprizing
you couldn't have been aprizing
they couldn't have been aprizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I aprize?
could you aprize?
could he aprize?
could we aprize?
could you aprize?
could they aprize? 	could I be aprizing?
could you be aprizing?
could he be aprizing?
could we be aprizing?
could you be aprizing?
could they be aprizing? 	could I have aprized?
could you have aprized?
could he have aprized?
could we have aprized?
could you have aprized?
could they have aprized? 	could I have been aprizing?
could you have been aprizing?
could he have been aprizing?
could we have been aprizing?
could you have been aprizing?
could they have been aprizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I aprize?
couldn't you aprize?
couldn't he aprize?
couldn't we aprize?
couldn't you aprize?
couldn't they aprize? 	couldn't I be aprizing?
couldn't you be aprizing?
couldn't he be aprizing?
couldn't we be aprizing?
couldn't you be aprizing?
couldn't they be aprizing? 	couldn't I have aprized?
couldn't you have aprized?
couldn't he have aprized?
couldn't we have aprized?
couldn't you have aprized?
couldn't they have aprized? 	couldn't I have been aprizing?
couldn't you have been aprizing?
couldn't he have been aprizing?
couldn't we have been aprizing?
couldn't you have been aprizing?
couldn't they have been aprizing?