could particularize
Regular verb: particularize - particularized- particularized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could particularize
you could particularize
he could particularize
we could particularize
you could particularize
they could particularize 	I could be particularizing
you could be particularizing
he could be particularizing
we could be particularizing
you could be particularizing
they could be particularizing	I could have particularized
you could have particularized
he could have particularized
we could have particularized
you could have particularized
they could have particularized	I could have been particularizing
you could have been particularizing
he could have been particularizing
we could have been particularizing
you could have been particularizing
they could have been particularizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't particularize
you couldn't particularize
he couldn't particularize
we couldn't particularize
you couldn't particularize
they couldn't particularize 	I couldn't be particularizing
you couldn't be particularizing
he couldn't be particularizing
we couldn't be particularizing
you couldn't be particularizing
they couldn't be particularizing	I couldn't have particularized
you couldn't have particularized
he couldn't have particularized
we couldn't have particularized
you couldn't have particularized
they couldn't have particularized	I couldn't have been particularizing
you couldn't have been particularizing
he couldn't have been particularizing
we couldn't have been particularizing
you couldn't have been particularizing
they couldn't have been particularizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I particularize?
could you particularize?
could he particularize?
could we particularize?
could you particularize?
could they particularize? 	could I be particularizing?
could you be particularizing?
could he be particularizing?
could we be particularizing?
could you be particularizing?
could they be particularizing? 	could I have particularized?
could you have particularized?
could he have particularized?
could we have particularized?
could you have particularized?
could they have particularized? 	could I have been particularizing?
could you have been particularizing?
could he have been particularizing?
could we have been particularizing?
could you have been particularizing?
could they have been particularizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I particularize?
couldn't you particularize?
couldn't he particularize?
couldn't we particularize?
couldn't you particularize?
couldn't they particularize? 	couldn't I be particularizing?
couldn't you be particularizing?
couldn't he be particularizing?
couldn't we be particularizing?
couldn't you be particularizing?
couldn't they be particularizing? 	couldn't I have particularized?
couldn't you have particularized?
couldn't he have particularized?
couldn't we have particularized?
couldn't you have particularized?
couldn't they have particularized? 	couldn't I have been particularizing?
couldn't you have been particularizing?
couldn't he have been particularizing?
couldn't we have been particularizing?
couldn't you have been particularizing?
couldn't they have been particularizing?