could carburise
Verbe régulier : carburise - carburised- carburised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could carburise
you could carburise
he could carburise
we could carburise
you could carburise
they could carburise 	I could be carburising
you could be carburising
he could be carburising
we could be carburising
you could be carburising
they could be carburising	I could have carburised
you could have carburised
he could have carburised
we could have carburised
you could have carburised
they could have carburised	I could have been carburising
you could have been carburising
he could have been carburising
we could have been carburising
you could have been carburising
they could have been carburising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't carburise
you couldn't carburise
he couldn't carburise
we couldn't carburise
you couldn't carburise
they couldn't carburise 	I couldn't be carburising
you couldn't be carburising
he couldn't be carburising
we couldn't be carburising
you couldn't be carburising
they couldn't be carburising	I couldn't have carburised
you couldn't have carburised
he couldn't have carburised
we couldn't have carburised
you couldn't have carburised
they couldn't have carburised	I couldn't have been carburising
you couldn't have been carburising
he couldn't have been carburising
we couldn't have been carburising
you couldn't have been carburising
they couldn't have been carburising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I carburise?
could you carburise?
could he carburise?
could we carburise?
could you carburise?
could they carburise? 	could I be carburising?
could you be carburising?
could he be carburising?
could we be carburising?
could you be carburising?
could they be carburising? 	could I have carburised?
could you have carburised?
could he have carburised?
could we have carburised?
could you have carburised?
could they have carburised? 	could I have been carburising?
could you have been carburising?
could he have been carburising?
could we have been carburising?
could you have been carburising?
could they have been carburising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I carburise?
couldn't you carburise?
couldn't he carburise?
couldn't we carburise?
couldn't you carburise?
couldn't they carburise? 	couldn't I be carburising?
couldn't you be carburising?
couldn't he be carburising?
couldn't we be carburising?
couldn't you be carburising?
couldn't they be carburising? 	couldn't I have carburised?
couldn't you have carburised?
couldn't he have carburised?
couldn't we have carburised?
couldn't you have carburised?
couldn't they have carburised? 	couldn't I have been carburising?
couldn't you have been carburising?
couldn't he have been carburising?
couldn't we have been carburising?
couldn't you have been carburising?
couldn't they have been carburising?