could recrystallize
Regular verb: recrystallize - recrystallized- recrystallized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could recrystallize
you could recrystallize
he could recrystallize
we could recrystallize
you could recrystallize
they could recrystallize 	I could be recrystallizing
you could be recrystallizing
he could be recrystallizing
we could be recrystallizing
you could be recrystallizing
they could be recrystallizing	I could have recrystallized
you could have recrystallized
he could have recrystallized
we could have recrystallized
you could have recrystallized
they could have recrystallized	I could have been recrystallizing
you could have been recrystallizing
he could have been recrystallizing
we could have been recrystallizing
you could have been recrystallizing
they could have been recrystallizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't recrystallize
you couldn't recrystallize
he couldn't recrystallize
we couldn't recrystallize
you couldn't recrystallize
they couldn't recrystallize 	I couldn't be recrystallizing
you couldn't be recrystallizing
he couldn't be recrystallizing
we couldn't be recrystallizing
you couldn't be recrystallizing
they couldn't be recrystallizing	I couldn't have recrystallized
you couldn't have recrystallized
he couldn't have recrystallized
we couldn't have recrystallized
you couldn't have recrystallized
they couldn't have recrystallized	I couldn't have been recrystallizing
you couldn't have been recrystallizing
he couldn't have been recrystallizing
we couldn't have been recrystallizing
you couldn't have been recrystallizing
they couldn't have been recrystallizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I recrystallize?
could you recrystallize?
could he recrystallize?
could we recrystallize?
could you recrystallize?
could they recrystallize? 	could I be recrystallizing?
could you be recrystallizing?
could he be recrystallizing?
could we be recrystallizing?
could you be recrystallizing?
could they be recrystallizing? 	could I have recrystallized?
could you have recrystallized?
could he have recrystallized?
could we have recrystallized?
could you have recrystallized?
could they have recrystallized? 	could I have been recrystallizing?
could you have been recrystallizing?
could he have been recrystallizing?
could we have been recrystallizing?
could you have been recrystallizing?
could they have been recrystallizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I recrystallize?
couldn't you recrystallize?
couldn't he recrystallize?
couldn't we recrystallize?
couldn't you recrystallize?
couldn't they recrystallize? 	couldn't I be recrystallizing?
couldn't you be recrystallizing?
couldn't he be recrystallizing?
couldn't we be recrystallizing?
couldn't you be recrystallizing?
couldn't they be recrystallizing? 	couldn't I have recrystallized?
couldn't you have recrystallized?
couldn't he have recrystallized?
couldn't we have recrystallized?
couldn't you have recrystallized?
couldn't they have recrystallized? 	couldn't I have been recrystallizing?
couldn't you have been recrystallizing?
couldn't he have been recrystallizing?
couldn't we have been recrystallizing?
couldn't you have been recrystallizing?
couldn't they have been recrystallizing?