I could burble you could burble she could burble we could burble you could burble they could burble
Forme en V-ing
I could be burbling you could be burbling she could be burbling we could be burbling you could be burbling they could be burbling
Perfect
I could have burbled you could have burbled she could have burbled we could have burbled you could have burbled they could have burbled
Perfect en V-ing
I could have been burbling you could have been burbling she could have been burbling we could have been burbling you could have been burbling they could have been burbling
Négation
Forme simple
I could not burble you could not burble she could not burble we could not burble you could not burble they could not burble
Forme en V-ing
I could not be burbling you could not be burbling she could not be burbling we could not be burbling you could not be burbling they could not be burbling
Perfect
I could not have burbled you could not have burbled she could not have burbled we could not have burbled you could not have burbled they could not have burbled
Perfect en V-ing
I could not have been burbling you could not have been burbling she could not have been burbling we could not have been burbling you could not have been burbling they could not have been burbling
Forme interrogative
Forme simple
could I burble? could you burble? could she burble? could we burble? could you burble? could they burble?
Forme en V-ing
could I be burbling? could you be burbling? could she be burbling? could we be burbling? could you be burbling? could they be burbling?
Perfect
could I have burbled? could you have burbled? could she have burbled? could we have burbled? could you have burbled? could they have burbled?
Perfect en V-ing
could I have been burbling? could you have been burbling? could she have been burbling? could we have been burbling? could you have been burbling? could they have been burbling?
Forme interro-négative
Forme simple
could I not burble? could you not burble? could she not burble? could we not burble? could you not burble? could they not burble?
Forme en V-ing
could I not be burbling? could you not be burbling? could she not be burbling? could we not be burbling? could you not be burbling? could they not be burbling?
Perfect
could I not have burbled? could you not have burbled? could she not have burbled? could we not have burbled? could you not have burbled? could they not have burbled?
Perfect en V-ing
could I not have been burbling? could you not have been burbling? could she not have been burbling? could we not have been burbling? could you not have been burbling? could they not have been burbling?