could bituminize
Verbe régulier : bituminize - bituminized- bituminized

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could bituminize
you could bituminize
he could bituminize
we could bituminize
you could bituminize
they could bituminize 	I could be bituminizing
you could be bituminizing
he could be bituminizing
we could be bituminizing
you could be bituminizing
they could be bituminizing	I could have bituminized
you could have bituminized
he could have bituminized
we could have bituminized
you could have bituminized
they could have bituminized	I could have been bituminizing
you could have been bituminizing
he could have been bituminizing
we could have been bituminizing
you could have been bituminizing
they could have been bituminizing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't bituminize
you couldn't bituminize
he couldn't bituminize
we couldn't bituminize
you couldn't bituminize
they couldn't bituminize 	I couldn't be bituminizing
you couldn't be bituminizing
he couldn't be bituminizing
we couldn't be bituminizing
you couldn't be bituminizing
they couldn't be bituminizing	I couldn't have bituminized
you couldn't have bituminized
he couldn't have bituminized
we couldn't have bituminized
you couldn't have bituminized
they couldn't have bituminized	I couldn't have been bituminizing
you couldn't have been bituminizing
he couldn't have been bituminizing
we couldn't have been bituminizing
you couldn't have been bituminizing
they couldn't have been bituminizing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I bituminize?
could you bituminize?
could he bituminize?
could we bituminize?
could you bituminize?
could they bituminize? 	could I be bituminizing?
could you be bituminizing?
could he be bituminizing?
could we be bituminizing?
could you be bituminizing?
could they be bituminizing? 	could I have bituminized?
could you have bituminized?
could he have bituminized?
could we have bituminized?
could you have bituminized?
could they have bituminized? 	could I have been bituminizing?
could you have been bituminizing?
could he have been bituminizing?
could we have been bituminizing?
could you have been bituminizing?
could they have been bituminizing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I bituminize?
couldn't you bituminize?
couldn't he bituminize?
couldn't we bituminize?
couldn't you bituminize?
couldn't they bituminize? 	couldn't I be bituminizing?
couldn't you be bituminizing?
couldn't he be bituminizing?
couldn't we be bituminizing?
couldn't you be bituminizing?
couldn't they be bituminizing? 	couldn't I have bituminized?
couldn't you have bituminized?
couldn't he have bituminized?
couldn't we have bituminized?
couldn't you have bituminized?
couldn't they have bituminized? 	couldn't I have been bituminizing?
couldn't you have been bituminizing?
couldn't he have been bituminizing?
couldn't we have been bituminizing?
couldn't you have been bituminizing?
couldn't they have been bituminizing?