English verb conjugation
COULD ENSUE

Regular verb: ensue - ensued - ensued

Affirmation

Simple form	V-ing form
I could ensue you could ensue he could ensue we could ensue you could ensue they could ensue	I could be ensuing you could be ensuing he could be ensuing we could be ensuing you could be ensuing they could be ensuing
Perfect	V-ing perfect
I could have ensued you could have ensued he could have ensued we could have ensued you could have ensued they could have ensued	I could have been ensuing you could have been ensuing he could have been ensuing we could have been ensuing you could have been ensuing they could have been ensuing

Negation

Simple form	V-ing form
I could not ensue you could not ensue he could not ensue we could not ensue you could not ensue they could not ensue	I could not be ensuing you could not be ensuing he could not be ensuing we could not be ensuing you could not be ensuing they could not be ensuing
Perfect	V-ing perfect
I could not have ensued you could not have ensued he could not have ensued we could not have ensued you could not have ensued they could not have ensued	I could not have been ensuing you could not have been ensuing he could not have been ensuing we could not have been ensuing you could not have been ensuing they could not have been ensuing

Interrogative form

Simple form	V-ing form
could I ensue? could you ensue? could he ensue? could we ensue? could you ensue? could they ensue?	could I be ensuing? could you be ensuing? could he be ensuing? could we be ensuing? could you be ensuing? could they be ensuing?
Perfect	V-ing perfect
could I have ensued? could you have ensued? could he have ensued? could we have ensued? could you have ensued? could they have ensued?	could I have been ensuing? could you have been ensuing? could he have been ensuing? could we have been ensuing? could you have been ensuing? could they have been ensuing?

Interro-negative form

Simple form	V-ing form
could I not ensue? could you not ensue? could he not ensue? could we not ensue? could you not ensue? could they not ensue?	could I not be ensuing? could you not be ensuing? could he not be ensuing? could we not be ensuing? could you not be ensuing? could they not be ensuing?
Perfect	V-ing perfect
could I not have ensued? could you not have ensued? could he not have ensued? could we not have ensued? could you not have ensued? could they not have ensued?	could I not have been ensuing? could you not have been ensuing? could he not have been ensuing? could we not have been ensuing? could you not have been ensuing? could they not have been ensuing?