I must picnic you must picnic he must picnic we must picnic you must picnic they must picnic
Forma con V-ing
I must be picnicing you must be picnicing he must be picnicing we must be picnicing you must be picnicing they must be picnicing
Perfecto
I must have picniced you must have picniced he must have picniced we must have picniced you must have picniced they must have picniced
Perfecto con V-ing
I must have been picnicing you must have been picnicing he must have been picnicing we must have been picnicing you must have been picnicing they must have been picnicing
Negación
Forma simple
I mustn't picnic you mustn't picnic he mustn't picnic we mustn't picnic you mustn't picnic they mustn't picnic
Forma con V-ing
I mustn't be picnicing you mustn't be picnicing he mustn't be picnicing we mustn't be picnicing you mustn't be picnicing they mustn't be picnicing
Perfecto
I mustn't have picniced you mustn't have picniced he mustn't have picniced we mustn't have picniced you mustn't have picniced they mustn't have picniced
Perfecto con V-ing
I mustn't have been picnicing you mustn't have been picnicing he mustn't have been picnicing we mustn't have been picnicing you mustn't have been picnicing they mustn't have been picnicing
Forma interrogativa
Forma simple
must I picnic? must you picnic? must he picnic? must we picnic? must you picnic? must they picnic?
Forma con V-ing
must I be picnicing? must you be picnicing? must he be picnicing? must we be picnicing? must you be picnicing? must they be picnicing?
Perfecto
must I have picniced? must you have picniced? must he have picniced? must we have picniced? must you have picniced? must they have picniced?
Perfecto con V-ing
must I have been picnicing? must you have been picnicing? must he have been picnicing? must we have been picnicing? must you have been picnicing? must they have been picnicing?
Forma interro-negativa
Forma simple
mustn't I picnic? mustn't you picnic? mustn't he picnic? mustn't we picnic? mustn't you picnic? mustn't they picnic?
Forma con V-ing
mustn't I be picnicing? mustn't you be picnicing? mustn't he be picnicing? mustn't we be picnicing? mustn't you be picnicing? mustn't they be picnicing?
Perfecto
mustn't I have picniced? mustn't you have picniced? mustn't he have picniced? mustn't we have picniced? mustn't you have picniced? mustn't they have picniced?
Perfecto con V-ing
mustn't I have been picnicing? mustn't you have been picnicing? mustn't he have been picnicing? mustn't we have been picnicing? mustn't you have been picnicing? mustn't they have been picnicing?