English verb conjugation
COULD PREEMPT

Regular verb: preempt - preempted - preempted

Affirmation

Simple form	V-ing form
I could preempt you could preempt she could preempt we could preempt you could preempt they could preempt	I could be preempting you could be preempting she 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 she 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 she 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 couldn't preempt you couldn't preempt she couldn't preempt we couldn't preempt you couldn't preempt they couldn't preempt	I couldn't be preempting you couldn't be preempting she couldn't be preempting we couldn't be preempting you couldn't be preempting they couldn't be preempting
Perfect	V-ing perfect
I couldn't have preempted you couldn't have preempted she couldn't have preempted we couldn't have preempted you couldn't have preempted they couldn't have preempted	I couldn't have been preempting you couldn't have been preempting she couldn't have been preempting we couldn't have been preempting you couldn't have been preempting they couldn't have been preempting

Interrogative form

Simple form	V-ing form
could I preempt? could you preempt? could she preempt? could we preempt? could you preempt? could they preempt?	could I be preempting? could you be preempting? could she 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 she 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 she 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
couldn't I preempt? couldn't you preempt? couldn't she preempt? couldn't we preempt? couldn't you preempt? couldn't they preempt?	couldn't I be preempting? couldn't you be preempting? couldn't she be preempting? couldn't we be preempting? couldn't you be preempting? couldn't they be preempting?
Perfect	V-ing perfect
couldn't I have preempted? couldn't you have preempted? couldn't she have preempted? couldn't we have preempted? couldn't you have preempted? couldn't they have preempted?	couldn't I have been preempting? couldn't you have been preempting? couldn't she have been preempting? couldn't we have been preempting? couldn't you have been preempting? couldn't they have been preempting?