can unscrew
Verbo regular: unscrew - unscrewed- unscrewed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can unscrew
you can unscrew
he can unscrew
we can unscrew
you can unscrew
they can unscrew 	I can be unscrewing
you can be unscrewing
he can be unscrewing
we can be unscrewing
you can be unscrewing
they can be unscrewing	I can have unscrewed
you can have unscrewed
he can have unscrewed
we can have unscrewed
you can have unscrewed
they can have unscrewed	I can have been unscrewing
you can have been unscrewing
he can have been unscrewing
we can have been unscrewing
you can have been unscrewing
they can have been unscrewing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot unscrew
you cannot unscrew
he cannot unscrew
we cannot unscrew
you cannot unscrew
they cannot unscrew 	I cannot be unscrewing
you cannot be unscrewing
he cannot be unscrewing
we cannot be unscrewing
you cannot be unscrewing
they cannot be unscrewing	I cannot have unscrewed
you cannot have unscrewed
he cannot have unscrewed
we cannot have unscrewed
you cannot have unscrewed
they cannot have unscrewed	I cannot have been unscrewing
you cannot have been unscrewing
he cannot have been unscrewing
we cannot have been unscrewing
you cannot have been unscrewing
they cannot have been unscrewing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I unscrew?
can you unscrew?
can he unscrew?
can we unscrew?
can you unscrew?
can they unscrew? 	can I be unscrewing?
can you be unscrewing?
can he be unscrewing?
can we be unscrewing?
can you be unscrewing?
can they be unscrewing? 	can I have unscrewed?
can you have unscrewed?
can he have unscrewed?
can we have unscrewed?
can you have unscrewed?
can they have unscrewed? 	can I have been unscrewing?
can you have been unscrewing?
can he have been unscrewing?
can we have been unscrewing?
can you have been unscrewing?
can they have been unscrewing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not unscrew?
can you not unscrew?
can he not unscrew?
can we not unscrew?
can you not unscrew?
can they not unscrew? 	can I not be unscrewing?
can you not be unscrewing?
can he not be unscrewing?
can we not be unscrewing?
can you not be unscrewing?
can they not be unscrewing? 	can I not have unscrewed?
can you not have unscrewed?
can he not have unscrewed?
can we not have unscrewed?
can you not have unscrewed?
can they not have unscrewed? 	can I not have been unscrewing?
can you not have been unscrewing?
can he not have been unscrewing?
can we not have been unscrewing?
can you not have been unscrewing?
can they not have been unscrewing?