could nebulise
Regular verb: nebulise - nebulised- nebulised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could nebulise
you could nebulise
he could nebulise
we could nebulise
you could nebulise
they could nebulise 	I could be nebulising
you could be nebulising
he could be nebulising
we could be nebulising
you could be nebulising
they could be nebulising	I could have nebulised
you could have nebulised
he could have nebulised
we could have nebulised
you could have nebulised
they could have nebulised	I could have been nebulising
you could have been nebulising
he could have been nebulising
we could have been nebulising
you could have been nebulising
they could have been nebulising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't nebulise
you couldn't nebulise
he couldn't nebulise
we couldn't nebulise
you couldn't nebulise
they couldn't nebulise 	I couldn't be nebulising
you couldn't be nebulising
he couldn't be nebulising
we couldn't be nebulising
you couldn't be nebulising
they couldn't be nebulising	I couldn't have nebulised
you couldn't have nebulised
he couldn't have nebulised
we couldn't have nebulised
you couldn't have nebulised
they couldn't have nebulised	I couldn't have been nebulising
you couldn't have been nebulising
he couldn't have been nebulising
we couldn't have been nebulising
you couldn't have been nebulising
they couldn't have been nebulising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I nebulise?
could you nebulise?
could he nebulise?
could we nebulise?
could you nebulise?
could they nebulise? 	could I be nebulising?
could you be nebulising?
could he be nebulising?
could we be nebulising?
could you be nebulising?
could they be nebulising? 	could I have nebulised?
could you have nebulised?
could he have nebulised?
could we have nebulised?
could you have nebulised?
could they have nebulised? 	could I have been nebulising?
could you have been nebulising?
could he have been nebulising?
could we have been nebulising?
could you have been nebulising?
could they have been nebulising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I nebulise?
couldn't you nebulise?
couldn't he nebulise?
couldn't we nebulise?
couldn't you nebulise?
couldn't they nebulise? 	couldn't I be nebulising?
couldn't you be nebulising?
couldn't he be nebulising?
couldn't we be nebulising?
couldn't you be nebulising?
couldn't they be nebulising? 	couldn't I have nebulised?
couldn't you have nebulised?
couldn't he have nebulised?
couldn't we have nebulised?
couldn't you have nebulised?
couldn't they have nebulised? 	couldn't I have been nebulising?
couldn't you have been nebulising?
couldn't he have been nebulising?
couldn't we have been nebulising?
couldn't you have been nebulising?
couldn't they have been nebulising?