I could depressurize you could depressurize he could depressurize we could depressurize you could depressurize they could depressurize
Forme en V-ing
I could be depressurizing you could be depressurizing he could be depressurizing we could be depressurizing you could be depressurizing they could be depressurizing
Perfect
I could have depressurized you could have depressurized he could have depressurized we could have depressurized you could have depressurized they could have depressurized
Perfect en V-ing
I could have been depressurizing you could have been depressurizing he could have been depressurizing we could have been depressurizing you could have been depressurizing they could have been depressurizing
Négation
Forme simple
I couldn't depressurize you couldn't depressurize he couldn't depressurize we couldn't depressurize you couldn't depressurize they couldn't depressurize
Forme en V-ing
I couldn't be depressurizing you couldn't be depressurizing he couldn't be depressurizing we couldn't be depressurizing you couldn't be depressurizing they couldn't be depressurizing
Perfect
I couldn't have depressurized you couldn't have depressurized he couldn't have depressurized we couldn't have depressurized you couldn't have depressurized they couldn't have depressurized
Perfect en V-ing
I couldn't have been depressurizing you couldn't have been depressurizing he couldn't have been depressurizing we couldn't have been depressurizing you couldn't have been depressurizing they couldn't have been depressurizing
Forme interrogative
Forme simple
could I depressurize? could you depressurize? could he depressurize? could we depressurize? could you depressurize? could they depressurize?
Forme en V-ing
could I be depressurizing? could you be depressurizing? could he be depressurizing? could we be depressurizing? could you be depressurizing? could they be depressurizing?
Perfect
could I have depressurized? could you have depressurized? could he have depressurized? could we have depressurized? could you have depressurized? could they have depressurized?
Perfect en V-ing
could I have been depressurizing? could you have been depressurizing? could he have been depressurizing? could we have been depressurizing? could you have been depressurizing? could they have been depressurizing?
Forme interro-négative
Forme simple
couldn't I depressurize? couldn't you depressurize? couldn't he depressurize? couldn't we depressurize? couldn't you depressurize? couldn't they depressurize?
Forme en V-ing
couldn't I be depressurizing? couldn't you be depressurizing? couldn't he be depressurizing? couldn't we be depressurizing? couldn't you be depressurizing? couldn't they be depressurizing?
Perfect
couldn't I have depressurized? couldn't you have depressurized? couldn't he have depressurized? couldn't we have depressurized? couldn't you have depressurized? couldn't they have depressurized?
Perfect en V-ing
couldn't I have been depressurizing? couldn't you have been depressurizing? couldn't he have been depressurizing? couldn't we have been depressurizing? couldn't you have been depressurizing? couldn't they have been depressurizing?