Conjugação do verbo inglês
COULD UNSTRING

Verbo irregular: unstring - unstrung - unstrung

Afirmação

Forma simple	Forma com V-ing
I could unstring you could unstring he could unstring we could unstring you could unstring they could unstring	I could be unstringing you could be unstringing he could be unstringing we could be unstringing you could be unstringing they could be unstringing
Perfeito	Perfeito com V-ing
I could have unstrung you could have unstrung he could have unstrung we could have unstrung you could have unstrung they could have unstrung	I could have been unstringing you could have been unstringing he could have been unstringing we could have been unstringing you could have been unstringing they could have been unstringing

Negação

Forma simple	Forma com V-ing
I couldn't unstring you couldn't unstring he couldn't unstring we couldn't unstring you couldn't unstring they couldn't unstring	I couldn't be unstringing you couldn't be unstringing he couldn't be unstringing we couldn't be unstringing you couldn't be unstringing they couldn't be unstringing
Perfeito	Perfeito com V-ing
I couldn't have unstrung you couldn't have unstrung he couldn't have unstrung we couldn't have unstrung you couldn't have unstrung they couldn't have unstrung	I couldn't have been unstringing you couldn't have been unstringing he couldn't have been unstringing we couldn't have been unstringing you couldn't have been unstringing they couldn't have been unstringing

Forma interrogativa

Forma simple	Forma com V-ing
could I unstring? could you unstring? could he unstring? could we unstring? could you unstring? could they unstring?	could I be unstringing? could you be unstringing? could he be unstringing? could we be unstringing? could you be unstringing? could they be unstringing?
Perfeito	Perfeito com V-ing
could I have unstrung? could you have unstrung? could he have unstrung? could we have unstrung? could you have unstrung? could they have unstrung?	could I have been unstringing? could you have been unstringing? could he have been unstringing? could we have been unstringing? could you have been unstringing? could they have been unstringing?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I unstring? couldn't you unstring? couldn't he unstring? couldn't we unstring? couldn't you unstring? couldn't they unstring?	couldn't I be unstringing? couldn't you be unstringing? couldn't he be unstringing? couldn't we be unstringing? couldn't you be unstringing? couldn't they be unstringing?
Perfeito	Perfeito com V-ing
couldn't I have unstrung? couldn't you have unstrung? couldn't he have unstrung? couldn't we have unstrung? couldn't you have unstrung? couldn't they have unstrung?	couldn't I have been unstringing? couldn't you have been unstringing? couldn't he have been unstringing? couldn't we have been unstringing? couldn't you have been unstringing? couldn't they have been unstringing?