could fissure
Verbo regular: fissure - fissured- fissured

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could fissure
you could fissure
he could fissure
we could fissure
you could fissure
they could fissure 	I could be fissuring
you could be fissuring
he could be fissuring
we could be fissuring
you could be fissuring
they could be fissuring	I could have fissured
you could have fissured
he 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
he could have been fissuring
we could have been fissuring
you could have been fissuring
they could have been fissuring	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't fissure
you couldn't fissure
he couldn't fissure
we couldn't fissure
you couldn't fissure
they couldn't fissure 	I couldn't be fissuring
you couldn't be fissuring
he couldn't be fissuring
we couldn't be fissuring
you couldn't be fissuring
they couldn't be fissuring	I couldn't have fissured
you couldn't have fissured
he couldn't have fissured
we couldn't have fissured
you couldn't have fissured
they couldn't have fissured	I couldn't have been fissuring
you couldn't have been fissuring
he couldn't have been fissuring
we couldn't have been fissuring
you couldn't have been fissuring
they couldn't have been fissuring	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I fissure?
could you fissure?
could he fissure?
could we fissure?
could you fissure?
could they fissure? 	could I be fissuring?
could you be fissuring?
could he be fissuring?
could we be fissuring?
could you be fissuring?
could they be fissuring? 	could I have fissured?
could you have fissured?
could he 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 he have been fissuring?
could we have been fissuring?
could you have been fissuring?
could they have been fissuring? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I fissure?
couldn't you fissure?
couldn't he fissure?
couldn't we fissure?
couldn't you fissure?
couldn't they fissure? 	couldn't I be fissuring?
couldn't you be fissuring?
couldn't he be fissuring?
couldn't we be fissuring?
couldn't you be fissuring?
couldn't they be fissuring? 	couldn't I have fissured?
couldn't you have fissured?
couldn't he have fissured?
couldn't we have fissured?
couldn't you have fissured?
couldn't they have fissured? 	couldn't I have been fissuring?
couldn't you have been fissuring?
couldn't he have been fissuring?
couldn't we have been fissuring?
couldn't you have been fissuring?
couldn't they have been fissuring?