could unstick
Verbo regular: unstick - unsticked- unsticked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could unstick
you could unstick
she could unstick
we could unstick
you could unstick
they could unstick 	I could be unsticking
you could be unsticking
she could be unsticking
we could be unsticking
you could be unsticking
they could be unsticking	I could have unsticked
you could have unsticked
she could have unsticked
we could have unsticked
you could have unsticked
they could have unsticked	I could have been unsticking
you could have been unsticking
she could have been unsticking
we could have been unsticking
you could have been unsticking
they could have been unsticking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not unstick
you could not unstick
she could not unstick
we could not unstick
you could not unstick
they could not unstick 	I could not be unsticking
you could not be unsticking
she could not be unsticking
we could not be unsticking
you could not be unsticking
they could not be unsticking	I could not have unsticked
you could not have unsticked
she could not have unsticked
we could not have unsticked
you could not have unsticked
they could not have unsticked	I could not have been unsticking
you could not have been unsticking
she could not have been unsticking
we could not have been unsticking
you could not have been unsticking
they could not have been unsticking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I unstick?
could you unstick?
could she unstick?
could we unstick?
could you unstick?
could they unstick? 	could I be unsticking?
could you be unsticking?
could she be unsticking?
could we be unsticking?
could you be unsticking?
could they be unsticking? 	could I have unsticked?
could you have unsticked?
could she have unsticked?
could we have unsticked?
could you have unsticked?
could they have unsticked? 	could I have been unsticking?
could you have been unsticking?
could she have been unsticking?
could we have been unsticking?
could you have been unsticking?
could they have been unsticking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not unstick?
could you not unstick?
could she not unstick?
could we not unstick?
could you not unstick?
could they not unstick? 	could I not be unsticking?
could you not be unsticking?
could she not be unsticking?
could we not be unsticking?
could you not be unsticking?
could they not be unsticking? 	could I not have unsticked?
could you not have unsticked?
could she not have unsticked?
could we not have unsticked?
could you not have unsticked?
could they not have unsticked? 	could I not have been unsticking?
could you not have been unsticking?
could she not have been unsticking?
could we not have been unsticking?
could you not have been unsticking?
could they not have been unsticking?