Conjugación del verbo inglés
COULD FROG

Verbo regular: frog - froged - froged

Afirmación

Forma simple	Forma con V-ing
I could frog you could frog she could frog we could frog you could frog they could frog	I could be froging you could be froging she could be froging we could be froging you could be froging they could be froging
Perfecto	Perfecto con V-ing
I could have froged you could have froged she could have froged we could have froged you could have froged they could have froged	I could have been froging you could have been froging she could have been froging we could have been froging you could have been froging they could have been froging

Negación

Forma simple	Forma con V-ing
I could not frog you could not frog she could not frog we could not frog you could not frog they could not frog	I could not be froging you could not be froging she could not be froging we could not be froging you could not be froging they could not be froging
Perfecto	Perfecto con V-ing
I could not have froged you could not have froged she could not have froged we could not have froged you could not have froged they could not have froged	I could not have been froging you could not have been froging she could not have been froging we could not have been froging you could not have been froging they could not have been froging

Forma interrogativa

Forma simple	Forma con V-ing
could I frog? could you frog? could she frog? could we frog? could you frog? could they frog?	could I be froging? could you be froging? could she be froging? could we be froging? could you be froging? could they be froging?
Perfecto	Perfecto con V-ing
could I have froged? could you have froged? could she have froged? could we have froged? could you have froged? could they have froged?	could I have been froging? could you have been froging? could she have been froging? could we have been froging? could you have been froging? could they have been froging?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not frog? could you not frog? could she not frog? could we not frog? could you not frog? could they not frog?	could I not be froging? could you not be froging? could she not be froging? could we not be froging? could you not be froging? could they not be froging?
Perfecto	Perfecto con V-ing
could I not have froged? could you not have froged? could she not have froged? could we not have froged? could you not have froged? could they not have froged?	could I not have been froging? could you not have been froging? could she not have been froging? could we not have been froging? could you not have been froging? could they not have been froging?