could nebulize
Regular verb: nebulize - nebulized- nebulized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could nebulize
you could nebulize
he could nebulize
we could nebulize
you could nebulize
they could nebulize 	I could be nebulizing
you could be nebulizing
he could be nebulizing
we could be nebulizing
you could be nebulizing
they could be nebulizing	I could have nebulized
you could have nebulized
he could have nebulized
we could have nebulized
you could have nebulized
they could have nebulized	I could have been nebulizing
you could have been nebulizing
he could have been nebulizing
we could have been nebulizing
you could have been nebulizing
they could have been nebulizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't nebulize
you couldn't nebulize
he couldn't nebulize
we couldn't nebulize
you couldn't nebulize
they couldn't nebulize 	I couldn't be nebulizing
you couldn't be nebulizing
he couldn't be nebulizing
we couldn't be nebulizing
you couldn't be nebulizing
they couldn't be nebulizing	I couldn't have nebulized
you couldn't have nebulized
he couldn't have nebulized
we couldn't have nebulized
you couldn't have nebulized
they couldn't have nebulized	I couldn't have been nebulizing
you couldn't have been nebulizing
he couldn't have been nebulizing
we couldn't have been nebulizing
you couldn't have been nebulizing
they couldn't have been nebulizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I nebulize?
could you nebulize?
could he nebulize?
could we nebulize?
could you nebulize?
could they nebulize? 	could I be nebulizing?
could you be nebulizing?
could he be nebulizing?
could we be nebulizing?
could you be nebulizing?
could they be nebulizing? 	could I have nebulized?
could you have nebulized?
could he have nebulized?
could we have nebulized?
could you have nebulized?
could they have nebulized? 	could I have been nebulizing?
could you have been nebulizing?
could he have been nebulizing?
could we have been nebulizing?
could you have been nebulizing?
could they have been nebulizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I nebulize?
couldn't you nebulize?
couldn't he nebulize?
couldn't we nebulize?
couldn't you nebulize?
couldn't they nebulize? 	couldn't I be nebulizing?
couldn't you be nebulizing?
couldn't he be nebulizing?
couldn't we be nebulizing?
couldn't you be nebulizing?
couldn't they be nebulizing? 	couldn't I have nebulized?
couldn't you have nebulized?
couldn't he have nebulized?
couldn't we have nebulized?
couldn't you have nebulized?
couldn't they have nebulized? 	couldn't I have been nebulizing?
couldn't you have been nebulizing?
couldn't he have been nebulizing?
couldn't we have been nebulizing?
couldn't you have been nebulizing?
couldn't they have been nebulizing?