could carbonate
Verbe régulier : carbonate - carbonated- carbonated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could carbonate
you could carbonate
he could carbonate
we could carbonate
you could carbonate
they could carbonate 	I could be carbonating
you could be carbonating
he could be carbonating
we could be carbonating
you could be carbonating
they could be carbonating	I could have carbonated
you could have carbonated
he could have carbonated
we could have carbonated
you could have carbonated
they could have carbonated	I could have been carbonating
you could have been carbonating
he could have been carbonating
we could have been carbonating
you could have been carbonating
they could have been carbonating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't carbonate
you couldn't carbonate
he couldn't carbonate
we couldn't carbonate
you couldn't carbonate
they couldn't carbonate 	I couldn't be carbonating
you couldn't be carbonating
he couldn't be carbonating
we couldn't be carbonating
you couldn't be carbonating
they couldn't be carbonating	I couldn't have carbonated
you couldn't have carbonated
he couldn't have carbonated
we couldn't have carbonated
you couldn't have carbonated
they couldn't have carbonated	I couldn't have been carbonating
you couldn't have been carbonating
he couldn't have been carbonating
we couldn't have been carbonating
you couldn't have been carbonating
they couldn't have been carbonating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I carbonate?
could you carbonate?
could he carbonate?
could we carbonate?
could you carbonate?
could they carbonate? 	could I be carbonating?
could you be carbonating?
could he be carbonating?
could we be carbonating?
could you be carbonating?
could they be carbonating? 	could I have carbonated?
could you have carbonated?
could he have carbonated?
could we have carbonated?
could you have carbonated?
could they have carbonated? 	could I have been carbonating?
could you have been carbonating?
could he have been carbonating?
could we have been carbonating?
could you have been carbonating?
could they have been carbonating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I carbonate?
couldn't you carbonate?
couldn't he carbonate?
couldn't we carbonate?
couldn't you carbonate?
couldn't they carbonate? 	couldn't I be carbonating?
couldn't you be carbonating?
couldn't he be carbonating?
couldn't we be carbonating?
couldn't you be carbonating?
couldn't they be carbonating? 	couldn't I have carbonated?
couldn't you have carbonated?
couldn't he have carbonated?
couldn't we have carbonated?
couldn't you have carbonated?
couldn't they have carbonated? 	couldn't I have been carbonating?
couldn't you have been carbonating?
couldn't he have been carbonating?
couldn't we have been carbonating?
couldn't you have been carbonating?
couldn't they have been carbonating?