Conjugação do verbo inglês
COULD ATTEMPT

Verbo regular: attempt - attempted - attempted

Afirmação

Forma simple	Forma com V-ing
I could attempt you could attempt he could attempt we could attempt you could attempt they could attempt	I could be attempting you could be attempting he could be attempting we could be attempting you could be attempting they could be attempting
Perfeito	Perfeito com V-ing
I could have attempted you could have attempted he could have attempted we could have attempted you could have attempted they could have attempted	I could have been attempting you could have been attempting he could have been attempting we could have been attempting you could have been attempting they could have been attempting

Negação

Forma simple	Forma com V-ing
I could not attempt you could not attempt he could not attempt we could not attempt you could not attempt they could not attempt	I could not be attempting you could not be attempting he could not be attempting we could not be attempting you could not be attempting they could not be attempting
Perfeito	Perfeito com V-ing
I could not have attempted you could not have attempted he could not have attempted we could not have attempted you could not have attempted they could not have attempted	I could not have been attempting you could not have been attempting he could not have been attempting we could not have been attempting you could not have been attempting they could not have been attempting

Forma interrogativa

Forma simple	Forma com V-ing
could I attempt? could you attempt? could he attempt? could we attempt? could you attempt? could they attempt?	could I be attempting? could you be attempting? could he be attempting? could we be attempting? could you be attempting? could they be attempting?
Perfeito	Perfeito com V-ing
could I have attempted? could you have attempted? could he have attempted? could we have attempted? could you have attempted? could they have attempted?	could I have been attempting? could you have been attempting? could he have been attempting? could we have been attempting? could you have been attempting? could they have been attempting?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not attempt? could you not attempt? could he not attempt? could we not attempt? could you not attempt? could they not attempt?	could I not be attempting? could you not be attempting? could he not be attempting? could we not be attempting? could you not be attempting? could they not be attempting?
Perfeito	Perfeito com V-ing
could I not have attempted? could you not have attempted? could he not have attempted? could we not have attempted? could you not have attempted? could they not have attempted?	could I not have been attempting? could you not have been attempting? could he not have been attempting? could we not have been attempting? could you not have been attempting? could they not have been attempting?