could colour
Verbo regolare: colour - coloured- coloured

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could colour
you could colour
he could colour
we could colour
you could colour
they could colour 	I could be colouring
you could be colouring
he could be colouring
we could be colouring
you could be colouring
they could be colouring	I could have coloured
you could have coloured
he could have coloured
we could have coloured
you could have coloured
they could have coloured	I could have been colouring
you could have been colouring
he could have been colouring
we could have been colouring
you could have been colouring
they could have been colouring	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't colour
you couldn't colour
he couldn't colour
we couldn't colour
you couldn't colour
they couldn't colour 	I couldn't be colouring
you couldn't be colouring
he couldn't be colouring
we couldn't be colouring
you couldn't be colouring
they couldn't be colouring	I couldn't have coloured
you couldn't have coloured
he couldn't have coloured
we couldn't have coloured
you couldn't have coloured
they couldn't have coloured	I couldn't have been colouring
you couldn't have been colouring
he couldn't have been colouring
we couldn't have been colouring
you couldn't have been colouring
they couldn't have been colouring	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I colour?
could you colour?
could he colour?
could we colour?
could you colour?
could they colour? 	could I be colouring?
could you be colouring?
could he be colouring?
could we be colouring?
could you be colouring?
could they be colouring? 	could I have coloured?
could you have coloured?
could he have coloured?
could we have coloured?
could you have coloured?
could they have coloured? 	could I have been colouring?
could you have been colouring?
could he have been colouring?
could we have been colouring?
could you have been colouring?
could they have been colouring? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I colour?
couldn't you colour?
couldn't he colour?
couldn't we colour?
couldn't you colour?
couldn't they colour? 	couldn't I be colouring?
couldn't you be colouring?
couldn't he be colouring?
couldn't we be colouring?
couldn't you be colouring?
couldn't they be colouring? 	couldn't I have coloured?
couldn't you have coloured?
couldn't he have coloured?
couldn't we have coloured?
couldn't you have coloured?
couldn't they have coloured? 	couldn't I have been colouring?
couldn't you have been colouring?
couldn't he have been colouring?
couldn't we have been colouring?
couldn't you have been colouring?
couldn't they have been colouring?