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