could bastardize
Regular verb: bastardize - bastardized- bastardized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bastardize
you could bastardize
he could bastardize
we could bastardize
you could bastardize
they could bastardize 	I could be bastardizing
you could be bastardizing
he could be bastardizing
we could be bastardizing
you could be bastardizing
they could be bastardizing	I could have bastardized
you could have bastardized
he could have bastardized
we could have bastardized
you could have bastardized
they could have bastardized	I could have been bastardizing
you could have been bastardizing
he could have been bastardizing
we could have been bastardizing
you could have been bastardizing
they could have been bastardizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't bastardize
you couldn't bastardize
he couldn't bastardize
we couldn't bastardize
you couldn't bastardize
they couldn't bastardize 	I couldn't be bastardizing
you couldn't be bastardizing
he couldn't be bastardizing
we couldn't be bastardizing
you couldn't be bastardizing
they couldn't be bastardizing	I couldn't have bastardized
you couldn't have bastardized
he couldn't have bastardized
we couldn't have bastardized
you couldn't have bastardized
they couldn't have bastardized	I couldn't have been bastardizing
you couldn't have been bastardizing
he couldn't have been bastardizing
we couldn't have been bastardizing
you couldn't have been bastardizing
they couldn't have been bastardizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bastardize?
could you bastardize?
could he bastardize?
could we bastardize?
could you bastardize?
could they bastardize? 	could I be bastardizing?
could you be bastardizing?
could he be bastardizing?
could we be bastardizing?
could you be bastardizing?
could they be bastardizing? 	could I have bastardized?
could you have bastardized?
could he have bastardized?
could we have bastardized?
could you have bastardized?
could they have bastardized? 	could I have been bastardizing?
could you have been bastardizing?
could he have been bastardizing?
could we have been bastardizing?
could you have been bastardizing?
could they have been bastardizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I bastardize?
couldn't you bastardize?
couldn't he bastardize?
couldn't we bastardize?
couldn't you bastardize?
couldn't they bastardize? 	couldn't I be bastardizing?
couldn't you be bastardizing?
couldn't he be bastardizing?
couldn't we be bastardizing?
couldn't you be bastardizing?
couldn't they be bastardizing? 	couldn't I have bastardized?
couldn't you have bastardized?
couldn't he have bastardized?
couldn't we have bastardized?
couldn't you have bastardized?
couldn't they have bastardized? 	couldn't I have been bastardizing?
couldn't you have been bastardizing?
couldn't he have been bastardizing?
couldn't we have been bastardizing?
couldn't you have been bastardizing?
couldn't they have been bastardizing?