English verb conjugation
COULD FISSURE

Regular verb: fissure - fissured - fissured

Affirmation

Simple form	V-ing form
I could fissure you could fissure she could fissure we could fissure you could fissure they could fissure	I could be fissuring you could be fissuring she could be fissuring we could be fissuring you could be fissuring they could be fissuring
Perfect	V-ing perfect
I could have fissured you could have fissured she could have fissured we could have fissured you could have fissured they could have fissured	I could have been fissuring you could have been fissuring she could have been fissuring we could have been fissuring you could have been fissuring they could have been fissuring

Negation

Simple form	V-ing form
I could not fissure you could not fissure she could not fissure we could not fissure you could not fissure they could not fissure	I could not be fissuring you could not be fissuring she could not be fissuring we could not be fissuring you could not be fissuring they could not be fissuring
Perfect	V-ing perfect
I could not have fissured you could not have fissured she could not have fissured we could not have fissured you could not have fissured they could not have fissured	I could not have been fissuring you could not have been fissuring she could not have been fissuring we could not have been fissuring you could not have been fissuring they could not have been fissuring

Interrogative form

Simple form	V-ing form
could I fissure? could you fissure? could she fissure? could we fissure? could you fissure? could they fissure?	could I be fissuring? could you be fissuring? could she be fissuring? could we be fissuring? could you be fissuring? could they be fissuring?
Perfect	V-ing perfect
could I have fissured? could you have fissured? could she have fissured? could we have fissured? could you have fissured? could they have fissured?	could I have been fissuring? could you have been fissuring? could she have been fissuring? could we have been fissuring? could you have been fissuring? could they have been fissuring?

Interro-negative form

Simple form	V-ing form
could I not fissure? could you not fissure? could she not fissure? could we not fissure? could you not fissure? could they not fissure?	could I not be fissuring? could you not be fissuring? could she not be fissuring? could we not be fissuring? could you not be fissuring? could they not be fissuring?
Perfect	V-ing perfect
could I not have fissured? could you not have fissured? could she not have fissured? could we not have fissured? could you not have fissured? could they not have fissured?	could I not have been fissuring? could you not have been fissuring? could she not have been fissuring? could we not have been fissuring? could you not have been fissuring? could they not have been fissuring?