English verb conjugation
COULD PREEXPOSE

Regular verb: preexpose - preexposed - preexposed

Affirmation

Simple form	V-ing form
I could preexpose you could preexpose he could preexpose we could preexpose you could preexpose they could preexpose	I could be preexposing you could be preexposing he could be preexposing we could be preexposing you could be preexposing they could be preexposing
Perfect	V-ing perfect
I could have preexposed you could have preexposed he could have preexposed we could have preexposed you could have preexposed they could have preexposed	I could have been preexposing you could have been preexposing he could have been preexposing we could have been preexposing you could have been preexposing they could have been preexposing

Negation

Simple form	V-ing form
I could not preexpose you could not preexpose he could not preexpose we could not preexpose you could not preexpose they could not preexpose	I could not be preexposing you could not be preexposing he could not be preexposing we could not be preexposing you could not be preexposing they could not be preexposing
Perfect	V-ing perfect
I could not have preexposed you could not have preexposed he could not have preexposed we could not have preexposed you could not have preexposed they could not have preexposed	I could not have been preexposing you could not have been preexposing he could not have been preexposing we could not have been preexposing you could not have been preexposing they could not have been preexposing

Interrogative form

Simple form	V-ing form
could I preexpose? could you preexpose? could he preexpose? could we preexpose? could you preexpose? could they preexpose?	could I be preexposing? could you be preexposing? could he be preexposing? could we be preexposing? could you be preexposing? could they be preexposing?
Perfect	V-ing perfect
could I have preexposed? could you have preexposed? could he have preexposed? could we have preexposed? could you have preexposed? could they have preexposed?	could I have been preexposing? could you have been preexposing? could he have been preexposing? could we have been preexposing? could you have been preexposing? could they have been preexposing?

Interro-negative form

Simple form	V-ing form
could I not preexpose? could you not preexpose? could he not preexpose? could we not preexpose? could you not preexpose? could they not preexpose?	could I not be preexposing? could you not be preexposing? could he not be preexposing? could we not be preexposing? could you not be preexposing? could they not be preexposing?
Perfect	V-ing perfect
could I not have preexposed? could you not have preexposed? could he not have preexposed? could we not have preexposed? could you not have preexposed? could they not have preexposed?	could I not have been preexposing? could you not have been preexposing? could he not have been preexposing? could we not have been preexposing? could you not have been preexposing? could they not have been preexposing?