English verb conjugation
CAN FISSURE

Regular verb: fissure - fissured - fissured

Affirmation

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

Negation

Simple form	V-ing form
I cannot fissure you cannot fissure he cannot fissure we cannot fissure you cannot fissure they cannot fissure	I cannot be fissuring you cannot be fissuring he cannot be fissuring we cannot be fissuring you cannot be fissuring they cannot be fissuring
Perfect	V-ing perfect
I cannot have fissured you cannot have fissured he cannot have fissured we cannot have fissured you cannot have fissured they cannot have fissured	I cannot have been fissuring you cannot have been fissuring he cannot have been fissuring we cannot have been fissuring you cannot have been fissuring they cannot have been fissuring

Interrogative form

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

Interro-negative form

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