I could unlace you could unlace she could unlace we could unlace you could unlace they could unlace
Forma com V-ing
I could be unlacing you could be unlacing she could be unlacing we could be unlacing you could be unlacing they could be unlacing
Perfeito
I could have unlaced you could have unlaced she could have unlaced we could have unlaced you could have unlaced they could have unlaced
Perfeito com V-ing
I could have been unlacing you could have been unlacing she could have been unlacing we could have been unlacing you could have been unlacing they could have been unlacing
Negação
Forma simple
I could not unlace you could not unlace she could not unlace we could not unlace you could not unlace they could not unlace
Forma com V-ing
I could not be unlacing you could not be unlacing she could not be unlacing we could not be unlacing you could not be unlacing they could not be unlacing
Perfeito
I could not have unlaced you could not have unlaced she could not have unlaced we could not have unlaced you could not have unlaced they could not have unlaced
Perfeito com V-ing
I could not have been unlacing you could not have been unlacing she could not have been unlacing we could not have been unlacing you could not have been unlacing they could not have been unlacing
Forma interrogativa
Forma simple
could I unlace? could you unlace? could she unlace? could we unlace? could you unlace? could they unlace?
Forma com V-ing
could I be unlacing? could you be unlacing? could she be unlacing? could we be unlacing? could you be unlacing? could they be unlacing?
Perfeito
could I have unlaced? could you have unlaced? could she have unlaced? could we have unlaced? could you have unlaced? could they have unlaced?
Perfeito com V-ing
could I have been unlacing? could you have been unlacing? could she have been unlacing? could we have been unlacing? could you have been unlacing? could they have been unlacing?
Forma interro-Negação
Forma simple
could I not unlace? could you not unlace? could she not unlace? could we not unlace? could you not unlace? could they not unlace?
Forma com V-ing
could I not be unlacing? could you not be unlacing? could she not be unlacing? could we not be unlacing? could you not be unlacing? could they not be unlacing?
Perfeito
could I not have unlaced? could you not have unlaced? could she not have unlaced? could we not have unlaced? could you not have unlaced? could they not have unlaced?
Perfeito com V-ing
could I not have been unlacing? could you not have been unlacing? could she not have been unlacing? could we not have been unlacing? could you not have been unlacing? could they not have been unlacing?