I can unscrew you can unscrew he can unscrew we can unscrew you can unscrew they can unscrew
Forma com V-ing
I can be unscrewing you can be unscrewing he can be unscrewing we can be unscrewing you can be unscrewing they can be unscrewing
Perfeito
I can have unscrewed you can have unscrewed he can have unscrewed we can have unscrewed you can have unscrewed they can have unscrewed
Perfeito com V-ing
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
I can't unscrew you can't unscrew he can't unscrew we can't unscrew you can't unscrew they can't unscrew
Forma com V-ing
I can't be unscrewing you can't be unscrewing he can't be unscrewing we can't be unscrewing you can't be unscrewing they can't be unscrewing
Perfeito
I can't have unscrewed you can't have unscrewed he can't have unscrewed we can't have unscrewed you can't have unscrewed they can't have unscrewed
Perfeito com V-ing
I can't have been unscrewing you can't have been unscrewing he can't have been unscrewing we can't have been unscrewing you can't have been unscrewing they can't have been unscrewing
Forma interrogativa
Forma simple
can I unscrew? can you unscrew? can he unscrew? can we unscrew? can you unscrew? can they unscrew?
Forma com V-ing
can I be unscrewing? can you be unscrewing? can he be unscrewing? can we be unscrewing? can you be unscrewing? can they be unscrewing?
Perfeito
can I have unscrewed? can you have unscrewed? can he have unscrewed? can we have unscrewed? can you have unscrewed? can they have unscrewed?
Perfeito com V-ing
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
can't I unscrew? can't you unscrew? can't he unscrew? can't we unscrew? can't you unscrew? can't they unscrew?
Forma com V-ing
can't I be unscrewing? can't you be unscrewing? can't he be unscrewing? can't we be unscrewing? can't you be unscrewing? can't they be unscrewing?
Perfeito
can't I have unscrewed? can't you have unscrewed? can't he have unscrewed? can't we have unscrewed? can't you have unscrewed? can't they have unscrewed?
Perfeito com V-ing
can't I have been unscrewing? can't you have been unscrewing? can't he have been unscrewing? can't we have been unscrewing? can't you have been unscrewing? can't they have been unscrewing?