can unbrace
Regular verb: unbrace - unbraced- unbraced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can unbrace
you can unbrace
he can unbrace
we can unbrace
you can unbrace
they can unbrace 	I can be unbracing
you can be unbracing
he can be unbracing
we can be unbracing
you can be unbracing
they can be unbracing	I can have unbraced
you can have unbraced
he can have unbraced
we can have unbraced
you can have unbraced
they can have unbraced	I can have been unbracing
you can have been unbracing
he can have been unbracing
we can have been unbracing
you can have been unbracing
they can have been unbracing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't unbrace
you can't unbrace
he can't unbrace
we can't unbrace
you can't unbrace
they can't unbrace 	I can't be unbracing
you can't be unbracing
he can't be unbracing
we can't be unbracing
you can't be unbracing
they can't be unbracing	I can't have unbraced
you can't have unbraced
he can't have unbraced
we can't have unbraced
you can't have unbraced
they can't have unbraced	I can't have been unbracing
you can't have been unbracing
he can't have been unbracing
we can't have been unbracing
you can't have been unbracing
they can't have been unbracing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I unbrace?
can you unbrace?
can he unbrace?
can we unbrace?
can you unbrace?
can they unbrace? 	can I be unbracing?
can you be unbracing?
can he be unbracing?
can we be unbracing?
can you be unbracing?
can they be unbracing? 	can I have unbraced?
can you have unbraced?
can he have unbraced?
can we have unbraced?
can you have unbraced?
can they have unbraced? 	can I have been unbracing?
can you have been unbracing?
can he have been unbracing?
can we have been unbracing?
can you have been unbracing?
can they have been unbracing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I unbrace?
can't you unbrace?
can't he unbrace?
can't we unbrace?
can't you unbrace?
can't they unbrace? 	can't I be unbracing?
can't you be unbracing?
can't he be unbracing?
can't we be unbracing?
can't you be unbracing?
can't they be unbracing? 	can't I have unbraced?
can't you have unbraced?
can't he have unbraced?
can't we have unbraced?
can't you have unbraced?
can't they have unbraced? 	can't I have been unbracing?
can't you have been unbracing?
can't he have been unbracing?
can't we have been unbracing?
can't you have been unbracing?
can't they have been unbracing?