I could repressurize you could repressurize he could repressurize we could repressurize you could repressurize they could repressurize
V-ing form
I could be repressurizing you could be repressurizing he could be repressurizing we could be repressurizing you could be repressurizing they could be repressurizing
Perfect
I could have repressurized you could have repressurized he could have repressurized we could have repressurized you could have repressurized they could have repressurized
V-ing perfect
I could have been repressurizing you could have been repressurizing he could have been repressurizing we could have been repressurizing you could have been repressurizing they could have been repressurizing
Negation
Simple form
I couldn't repressurize you couldn't repressurize he couldn't repressurize we couldn't repressurize you couldn't repressurize they couldn't repressurize
V-ing form
I couldn't be repressurizing you couldn't be repressurizing he couldn't be repressurizing we couldn't be repressurizing you couldn't be repressurizing they couldn't be repressurizing
Perfect
I couldn't have repressurized you couldn't have repressurized he couldn't have repressurized we couldn't have repressurized you couldn't have repressurized they couldn't have repressurized
V-ing perfect
I couldn't have been repressurizing you couldn't have been repressurizing he couldn't have been repressurizing we couldn't have been repressurizing you couldn't have been repressurizing they couldn't have been repressurizing
Interrogative form
Simple form
could I repressurize? could you repressurize? could he repressurize? could we repressurize? could you repressurize? could they repressurize?
V-ing form
could I be repressurizing? could you be repressurizing? could he be repressurizing? could we be repressurizing? could you be repressurizing? could they be repressurizing?
Perfect
could I have repressurized? could you have repressurized? could he have repressurized? could we have repressurized? could you have repressurized? could they have repressurized?
V-ing perfect
could I have been repressurizing? could you have been repressurizing? could he have been repressurizing? could we have been repressurizing? could you have been repressurizing? could they have been repressurizing?
Interro-negative form
Simple form
couldn't I repressurize? couldn't you repressurize? couldn't he repressurize? couldn't we repressurize? couldn't you repressurize? couldn't they repressurize?
V-ing form
couldn't I be repressurizing? couldn't you be repressurizing? couldn't he be repressurizing? couldn't we be repressurizing? couldn't you be repressurizing? couldn't they be repressurizing?
Perfect
couldn't I have repressurized? couldn't you have repressurized? couldn't he have repressurized? couldn't we have repressurized? couldn't you have repressurized? couldn't they have repressurized?
V-ing perfect
couldn't I have been repressurizing? couldn't you have been repressurizing? couldn't he have been repressurizing? couldn't we have been repressurizing? couldn't you have been repressurizing? couldn't they have been repressurizing?