could decarburise
Verbe régulier : decarburise - decarburised- decarburised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could decarburise
you could decarburise
she could decarburise
we could decarburise
you could decarburise
they could decarburise 	I could be decarburising
you could be decarburising
she could be decarburising
we could be decarburising
you could be decarburising
they could be decarburising	I could have decarburised
you could have decarburised
she could have decarburised
we could have decarburised
you could have decarburised
they could have decarburised	I could have been decarburising
you could have been decarburising
she could have been decarburising
we could have been decarburising
you could have been decarburising
they could have been decarburising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't decarburise
you couldn't decarburise
she couldn't decarburise
we couldn't decarburise
you couldn't decarburise
they couldn't decarburise 	I couldn't be decarburising
you couldn't be decarburising
she couldn't be decarburising
we couldn't be decarburising
you couldn't be decarburising
they couldn't be decarburising	I couldn't have decarburised
you couldn't have decarburised
she couldn't have decarburised
we couldn't have decarburised
you couldn't have decarburised
they couldn't have decarburised	I couldn't have been decarburising
you couldn't have been decarburising
she couldn't have been decarburising
we couldn't have been decarburising
you couldn't have been decarburising
they couldn't have been decarburising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I decarburise?
could you decarburise?
could she decarburise?
could we decarburise?
could you decarburise?
could they decarburise? 	could I be decarburising?
could you be decarburising?
could she be decarburising?
could we be decarburising?
could you be decarburising?
could they be decarburising? 	could I have decarburised?
could you have decarburised?
could she have decarburised?
could we have decarburised?
could you have decarburised?
could they have decarburised? 	could I have been decarburising?
could you have been decarburising?
could she have been decarburising?
could we have been decarburising?
could you have been decarburising?
could they have been decarburising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I decarburise?
couldn't you decarburise?
couldn't she decarburise?
couldn't we decarburise?
couldn't you decarburise?
couldn't they decarburise? 	couldn't I be decarburising?
couldn't you be decarburising?
couldn't she be decarburising?
couldn't we be decarburising?
couldn't you be decarburising?
couldn't they be decarburising? 	couldn't I have decarburised?
couldn't you have decarburised?
couldn't she have decarburised?
couldn't we have decarburised?
couldn't you have decarburised?
couldn't they have decarburised? 	couldn't I have been decarburising?
couldn't you have been decarburising?
couldn't she have been decarburising?
couldn't we have been decarburising?
couldn't you have been decarburising?
couldn't they have been decarburising?