Conjugación del verbo inglés
MUST FROG

Verbo regular: frog - froged - froged

Afirmación

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

Negación

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

Forma interrogativa

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

Forma interro-negativa

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