could colourise
Verbe régulier : colourise - colourised- colourised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could colourise
you could colourise
she could colourise
we could colourise
you could colourise
they could colourise 	I could be colourising
you could be colourising
she could be colourising
we could be colourising
you could be colourising
they could be colourising	I could have colourised
you could have colourised
she could have colourised
we could have colourised
you could have colourised
they could have colourised	I could have been colourising
you could have been colourising
she could have been colourising
we could have been colourising
you could have been colourising
they could have been colourising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't colourise
you couldn't colourise
she couldn't colourise
we couldn't colourise
you couldn't colourise
they couldn't colourise 	I couldn't be colourising
you couldn't be colourising
she couldn't be colourising
we couldn't be colourising
you couldn't be colourising
they couldn't be colourising	I couldn't have colourised
you couldn't have colourised
she couldn't have colourised
we couldn't have colourised
you couldn't have colourised
they couldn't have colourised	I couldn't have been colourising
you couldn't have been colourising
she couldn't have been colourising
we couldn't have been colourising
you couldn't have been colourising
they couldn't have been colourising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I colourise?
could you colourise?
could she colourise?
could we colourise?
could you colourise?
could they colourise? 	could I be colourising?
could you be colourising?
could she be colourising?
could we be colourising?
could you be colourising?
could they be colourising? 	could I have colourised?
could you have colourised?
could she have colourised?
could we have colourised?
could you have colourised?
could they have colourised? 	could I have been colourising?
could you have been colourising?
could she have been colourising?
could we have been colourising?
could you have been colourising?
could they have been colourising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I colourise?
couldn't you colourise?
couldn't she colourise?
couldn't we colourise?
couldn't you colourise?
couldn't they colourise? 	couldn't I be colourising?
couldn't you be colourising?
couldn't she be colourising?
couldn't we be colourising?
couldn't you be colourising?
couldn't they be colourising? 	couldn't I have colourised?
couldn't you have colourised?
couldn't she have colourised?
couldn't we have colourised?
couldn't you have colourised?
couldn't they have colourised? 	couldn't I have been colourising?
couldn't you have been colourising?
couldn't she have been colourising?
couldn't we have been colourising?
couldn't you have been colourising?
couldn't they have been colourising?