English verb conjugation
COULD UNDEREXPOSE

Regular verb: underexpose - underexposed - underexposed

Affirmation

Simple form	V-ing form
I could underexpose you could underexpose he could underexpose we could underexpose you could underexpose they could underexpose	I could be underexposing you could be underexposing he could be underexposing we could be underexposing you could be underexposing they could be underexposing
Perfect	V-ing perfect
I could have underexposed you could have underexposed he could have underexposed we could have underexposed you could have underexposed they could have underexposed	I could have been underexposing you could have been underexposing he could have been underexposing we could have been underexposing you could have been underexposing they could have been underexposing

Negation

Simple form	V-ing form
I could not underexpose you could not underexpose he could not underexpose we could not underexpose you could not underexpose they could not underexpose	I could not be underexposing you could not be underexposing he could not be underexposing we could not be underexposing you could not be underexposing they could not be underexposing
Perfect	V-ing perfect
I could not have underexposed you could not have underexposed he could not have underexposed we could not have underexposed you could not have underexposed they could not have underexposed	I could not have been underexposing you could not have been underexposing he could not have been underexposing we could not have been underexposing you could not have been underexposing they could not have been underexposing

Interrogative form

Simple form	V-ing form
could I underexpose? could you underexpose? could he underexpose? could we underexpose? could you underexpose? could they underexpose?	could I be underexposing? could you be underexposing? could he be underexposing? could we be underexposing? could you be underexposing? could they be underexposing?
Perfect	V-ing perfect
could I have underexposed? could you have underexposed? could he have underexposed? could we have underexposed? could you have underexposed? could they have underexposed?	could I have been underexposing? could you have been underexposing? could he have been underexposing? could we have been underexposing? could you have been underexposing? could they have been underexposing?

Interro-negative form

Simple form	V-ing form
could I not underexpose? could you not underexpose? could he not underexpose? could we not underexpose? could you not underexpose? could they not underexpose?	could I not be underexposing? could you not be underexposing? could he not be underexposing? could we not be underexposing? could you not be underexposing? could they not be underexposing?
Perfect	V-ing perfect
could I not have underexposed? could you not have underexposed? could he not have underexposed? could we not have underexposed? could you not have underexposed? could they not have underexposed?	could I not have been underexposing? could you not have been underexposing? could he not have been underexposing? could we not have been underexposing? could you not have been underexposing? could they not have been underexposing?