Conjugación del verbo inglés
CAN FROG

Verbo regular: frog - froged - froged

Afirmación

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

Negación

Forma simple	Forma con V-ing
I can't frog you can't frog she can't frog we can't frog you can't frog they can't frog	I can't be froging you can't be froging she can't be froging we can't be froging you can't be froging they can't be froging
Perfecto	Perfecto con V-ing
I can't have froged you can't have froged she can't have froged we can't have froged you can't have froged they can't have froged	I can't have been froging you can't have been froging she can't have been froging we can't have been froging you can't have been froging they can't have been froging

Forma interrogativa

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

Forma interro-negativa

Forma simple	Forma con V-ing
can't I frog? can't you frog? can't she frog? can't we frog? can't you frog? can't they frog?	can't I be froging? can't you be froging? can't she be froging? can't we be froging? can't you be froging? can't they be froging?
Perfecto	Perfecto con V-ing
can't I have froged? can't you have froged? can't she have froged? can't we have froged? can't you have froged? can't they have froged?	can't I have been froging? can't you have been froging? can't she have been froging? can't we have been froging? can't you have been froging? can't they have been froging?