must picnic
Verbo regular: picnic - picniced- picniced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must picnic
you must picnic
he must picnic
we must picnic
you must picnic
they must picnic 	I must be picnicing
you must be picnicing
he must be picnicing
we must be picnicing
you must be picnicing
they must be picnicing	I must have picniced
you must have picniced
he must have picniced
we must have picniced
you must have picniced
they must have picniced	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't picnic
you mustn't picnic
he mustn't picnic
we mustn't picnic
you mustn't picnic
they mustn't picnic 	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	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	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 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I picnic?
must you picnic?
must he picnic?
must we picnic?
must you picnic?
must they picnic? 	must I be picnicing?
must you be picnicing?
must he be picnicing?
must we be picnicing?
must you be picnicing?
must they be picnicing? 	must I have picniced?
must you have picniced?
must he have picniced?
must we have picniced?
must you have picniced?
must they have picniced? 	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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I picnic?
mustn't you picnic?
mustn't he picnic?
mustn't we picnic?
mustn't you picnic?
mustn't they picnic? 	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? 	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? 	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?