I could double-time you could double-time he could double-time we could double-time you could double-time they could double-time
V-ing form
I could be double-timing you could be double-timing he could be double-timing we could be double-timing you could be double-timing they could be double-timing
Perfect
I could have double-timed you could have double-timed he could have double-timed we could have double-timed you could have double-timed they could have double-timed
V-ing perfect
I could have been double-timing you could have been double-timing he could have been double-timing we could have been double-timing you could have been double-timing they could have been double-timing
Negation
Simple form
I could not double-time you could not double-time he could not double-time we could not double-time you could not double-time they could not double-time
V-ing form
I could not be double-timing you could not be double-timing he could not be double-timing we could not be double-timing you could not be double-timing they could not be double-timing
Perfect
I could not have double-timed you could not have double-timed he could not have double-timed we could not have double-timed you could not have double-timed they could not have double-timed
V-ing perfect
I could not have been double-timing you could not have been double-timing he could not have been double-timing we could not have been double-timing you could not have been double-timing they could not have been double-timing
Interrogative form
Simple form
could I double-time? could you double-time? could he double-time? could we double-time? could you double-time? could they double-time?
V-ing form
could I be double-timing? could you be double-timing? could he be double-timing? could we be double-timing? could you be double-timing? could they be double-timing?
Perfect
could I have double-timed? could you have double-timed? could he have double-timed? could we have double-timed? could you have double-timed? could they have double-timed?
V-ing perfect
could I have been double-timing? could you have been double-timing? could he have been double-timing? could we have been double-timing? could you have been double-timing? could they have been double-timing?
Interro-negative form
Simple form
could I not double-time? could you not double-time? could he not double-time? could we not double-time? could you not double-time? could they not double-time?
V-ing form
could I not be double-timing? could you not be double-timing? could he not be double-timing? could we not be double-timing? could you not be double-timing? could they not be double-timing?
Perfect
could I not have double-timed? could you not have double-timed? could he not have double-timed? could we not have double-timed? could you not have double-timed? could they not have double-timed?
V-ing perfect
could I not have been double-timing? could you not have been double-timing? could he not have been double-timing? could we not have been double-timing? could you not have been double-timing? could they not have been double-timing?