Conjugación del verbo inglés
COULD ATTEMPT

Verbo regular: attempt - attempted - attempted

Afirmación

Forma simple	Forma con V-ing
I could attempt you could attempt she could attempt we could attempt you could attempt they could attempt	I could be attempting you could be attempting she could be attempting we could be attempting you could be attempting they could be attempting
Perfecto	Perfecto con V-ing
I could have attempted you could have attempted she 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 she could have been attempting we could have been attempting you could have been attempting they could have been attempting

Negación

Forma simple	Forma con V-ing
I couldn't attempt you couldn't attempt she couldn't attempt we couldn't attempt you couldn't attempt they couldn't attempt	I couldn't be attempting you couldn't be attempting she couldn't be attempting we couldn't be attempting you couldn't be attempting they couldn't be attempting
Perfecto	Perfecto con V-ing
I couldn't have attempted you couldn't have attempted she couldn't have attempted we couldn't have attempted you couldn't have attempted they couldn't have attempted	I couldn't have been attempting you couldn't have been attempting she couldn't have been attempting we couldn't have been attempting you couldn't have been attempting they couldn't have been attempting

Forma interrogativa

Forma simple	Forma con V-ing
could I attempt? could you attempt? could she attempt? could we attempt? could you attempt? could they attempt?	could I be attempting? could you be attempting? could she be attempting? could we be attempting? could you be attempting? could they be attempting?
Perfecto	Perfecto con V-ing
could I have attempted? could you have attempted? could she 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 she have been attempting? could we have been attempting? could you have been attempting? could they have been attempting?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I attempt? couldn't you attempt? couldn't she attempt? couldn't we attempt? couldn't you attempt? couldn't they attempt?	couldn't I be attempting? couldn't you be attempting? couldn't she be attempting? couldn't we be attempting? couldn't you be attempting? couldn't they be attempting?
Perfecto	Perfecto con V-ing
couldn't I have attempted? couldn't you have attempted? couldn't she have attempted? couldn't we have attempted? couldn't you have attempted? couldn't they have attempted?	couldn't I have been attempting? couldn't you have been attempting? couldn't she have been attempting? couldn't we have been attempting? couldn't you have been attempting? couldn't they have been attempting?