can fissure
Regular verb: fissure - fissured- fissured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can fissure
you can fissure
she can fissure
we can fissure
you can fissure
they can fissure 	I can be fissuring
you can be fissuring
she can be fissuring
we can be fissuring
you can be fissuring
they can be fissuring	I can have fissured
you can have fissured
she 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
she 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 	Perfect 	V-ing perfect 	
I can't fissure
you can't fissure
she can't fissure
we can't fissure
you can't fissure
they can't fissure 	I can't be fissuring
you can't be fissuring
she can't be fissuring
we can't be fissuring
you can't be fissuring
they can't be fissuring	I can't have fissured
you can't have fissured
she can't have fissured
we can't have fissured
you can't have fissured
they can't have fissured	I can't have been fissuring
you can't have been fissuring
she can't have been fissuring
we can't have been fissuring
you can't have been fissuring
they can't have been fissuring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I fissure?
can you fissure?
can she fissure?
can we fissure?
can you fissure?
can they fissure? 	can I be fissuring?
can you be fissuring?
can she be fissuring?
can we be fissuring?
can you be fissuring?
can they be fissuring? 	can I have fissured?
can you have fissured?
can she 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 she 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 	Perfect 	V-ing perfect 	
can't I fissure?
can't you fissure?
can't she fissure?
can't we fissure?
can't you fissure?
can't they fissure? 	can't I be fissuring?
can't you be fissuring?
can't she be fissuring?
can't we be fissuring?
can't you be fissuring?
can't they be fissuring? 	can't I have fissured?
can't you have fissured?
can't she have fissured?
can't we have fissured?
can't you have fissured?
can't they have fissured? 	can't I have been fissuring?
can't you have been fissuring?
can't she have been fissuring?
can't we have been fissuring?
can't you have been fissuring?
can't they have been fissuring?