can unfold
Regular verb: unfold - unfolded- unfolded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can unfold
you can unfold
he can unfold
we can unfold
you can unfold
they can unfold 	I can be unfolding
you can be unfolding
he can be unfolding
we can be unfolding
you can be unfolding
they can be unfolding	I can have unfolded
you can have unfolded
he can have unfolded
we can have unfolded
you can have unfolded
they can have unfolded	I can have been unfolding
you can have been unfolding
he can have been unfolding
we can have been unfolding
you can have been unfolding
they can have been unfolding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't unfold
you can't unfold
he can't unfold
we can't unfold
you can't unfold
they can't unfold 	I can't be unfolding
you can't be unfolding
he can't be unfolding
we can't be unfolding
you can't be unfolding
they can't be unfolding	I can't have unfolded
you can't have unfolded
he can't have unfolded
we can't have unfolded
you can't have unfolded
they can't have unfolded	I can't have been unfolding
you can't have been unfolding
he can't have been unfolding
we can't have been unfolding
you can't have been unfolding
they can't have been unfolding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I unfold?
can you unfold?
can he unfold?
can we unfold?
can you unfold?
can they unfold? 	can I be unfolding?
can you be unfolding?
can he be unfolding?
can we be unfolding?
can you be unfolding?
can they be unfolding? 	can I have unfolded?
can you have unfolded?
can he have unfolded?
can we have unfolded?
can you have unfolded?
can they have unfolded? 	can I have been unfolding?
can you have been unfolding?
can he have been unfolding?
can we have been unfolding?
can you have been unfolding?
can they have been unfolding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I unfold?
can't you unfold?
can't he unfold?
can't we unfold?
can't you unfold?
can't they unfold? 	can't I be unfolding?
can't you be unfolding?
can't he be unfolding?
can't we be unfolding?
can't you be unfolding?
can't they be unfolding? 	can't I have unfolded?
can't you have unfolded?
can't he have unfolded?
can't we have unfolded?
can't you have unfolded?
can't they have unfolded? 	can't I have been unfolding?
can't you have been unfolding?
can't he have been unfolding?
can't we have been unfolding?
can't you have been unfolding?
can't they have been unfolding?