could cosmeticise
Regular verb: cosmeticise - cosmeticised- cosmeticised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could cosmeticise
you could cosmeticise
he could cosmeticise
we could cosmeticise
you could cosmeticise
they could cosmeticise 	I could be cosmeticising
you could be cosmeticising
he could be cosmeticising
we could be cosmeticising
you could be cosmeticising
they could be cosmeticising	I could have cosmeticised
you could have cosmeticised
he could have cosmeticised
we could have cosmeticised
you could have cosmeticised
they could have cosmeticised	I could have been cosmeticising
you could have been cosmeticising
he could have been cosmeticising
we could have been cosmeticising
you could have been cosmeticising
they could have been cosmeticising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't cosmeticise
you couldn't cosmeticise
he couldn't cosmeticise
we couldn't cosmeticise
you couldn't cosmeticise
they couldn't cosmeticise 	I couldn't be cosmeticising
you couldn't be cosmeticising
he couldn't be cosmeticising
we couldn't be cosmeticising
you couldn't be cosmeticising
they couldn't be cosmeticising	I couldn't have cosmeticised
you couldn't have cosmeticised
he couldn't have cosmeticised
we couldn't have cosmeticised
you couldn't have cosmeticised
they couldn't have cosmeticised	I couldn't have been cosmeticising
you couldn't have been cosmeticising
he couldn't have been cosmeticising
we couldn't have been cosmeticising
you couldn't have been cosmeticising
they couldn't have been cosmeticising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I cosmeticise?
could you cosmeticise?
could he cosmeticise?
could we cosmeticise?
could you cosmeticise?
could they cosmeticise? 	could I be cosmeticising?
could you be cosmeticising?
could he be cosmeticising?
could we be cosmeticising?
could you be cosmeticising?
could they be cosmeticising? 	could I have cosmeticised?
could you have cosmeticised?
could he have cosmeticised?
could we have cosmeticised?
could you have cosmeticised?
could they have cosmeticised? 	could I have been cosmeticising?
could you have been cosmeticising?
could he have been cosmeticising?
could we have been cosmeticising?
could you have been cosmeticising?
could they have been cosmeticising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I cosmeticise?
couldn't you cosmeticise?
couldn't he cosmeticise?
couldn't we cosmeticise?
couldn't you cosmeticise?
couldn't they cosmeticise? 	couldn't I be cosmeticising?
couldn't you be cosmeticising?
couldn't he be cosmeticising?
couldn't we be cosmeticising?
couldn't you be cosmeticising?
couldn't they be cosmeticising? 	couldn't I have cosmeticised?
couldn't you have cosmeticised?
couldn't he have cosmeticised?
couldn't we have cosmeticised?
couldn't you have cosmeticised?
couldn't they have cosmeticised? 	couldn't I have been cosmeticising?
couldn't you have been cosmeticising?
couldn't he have been cosmeticising?
couldn't we have been cosmeticising?
couldn't you have been cosmeticising?
couldn't they have been cosmeticising?