English verb conjugation
COULD PREEMPT

Regular verb: preempt - preempted - preempted

Affirmation

Simple form	V-ing form
I could preempt you could preempt he could preempt we could preempt you could preempt they could preempt	I could be preempting you could be preempting he could be preempting we could be preempting you could be preempting they could be preempting
Perfect	V-ing perfect
I could have preempted you could have preempted he could have preempted we could have preempted you could have preempted they could have preempted	I could have been preempting you could have been preempting he could have been preempting we could have been preempting you could have been preempting they could have been preempting

Negation

Simple form	V-ing form
I could not preempt you could not preempt he could not preempt we could not preempt you could not preempt they could not preempt	I could not be preempting you could not be preempting he could not be preempting we could not be preempting you could not be preempting they could not be preempting
Perfect	V-ing perfect
I could not have preempted you could not have preempted he could not have preempted we could not have preempted you could not have preempted they could not have preempted	I could not have been preempting you could not have been preempting he could not have been preempting we could not have been preempting you could not have been preempting they could not have been preempting

Interrogative form

Simple form	V-ing form
could I preempt? could you preempt? could he preempt? could we preempt? could you preempt? could they preempt?	could I be preempting? could you be preempting? could he be preempting? could we be preempting? could you be preempting? could they be preempting?
Perfect	V-ing perfect
could I have preempted? could you have preempted? could he have preempted? could we have preempted? could you have preempted? could they have preempted?	could I have been preempting? could you have been preempting? could he have been preempting? could we have been preempting? could you have been preempting? could they have been preempting?

Interro-negative form

Simple form	V-ing form
could I not preempt? could you not preempt? could he not preempt? could we not preempt? could you not preempt? could they not preempt?	could I not be preempting? could you not be preempting? could he not be preempting? could we not be preempting? could you not be preempting? could they not be preempting?
Perfect	V-ing perfect
could I not have preempted? could you not have preempted? could he not have preempted? could we not have preempted? could you not have preempted? could they not have preempted?	could I not have been preempting? could you not have been preempting? could he not have been preempting? could we not have been preempting? could you not have been preempting? could they not have been preempting?