must boo-hoo
Verbo regular: boo-hoo - boo-hooed- boo-hooed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must boo-hoo
you must boo-hoo
he must boo-hoo
we must boo-hoo
you must boo-hoo
they must boo-hoo 	I must be boo-hooing
you must be boo-hooing
he must be boo-hooing
we must be boo-hooing
you must be boo-hooing
they must be boo-hooing	I must have boo-hooed
you must have boo-hooed
he must have boo-hooed
we must have boo-hooed
you must have boo-hooed
they must have boo-hooed	I must have been boo-hooing
you must have been boo-hooing
he must have been boo-hooing
we must have been boo-hooing
you must have been boo-hooing
they must have been boo-hooing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't boo-hoo
you mustn't boo-hoo
he mustn't boo-hoo
we mustn't boo-hoo
you mustn't boo-hoo
they mustn't boo-hoo 	I mustn't be boo-hooing
you mustn't be boo-hooing
he mustn't be boo-hooing
we mustn't be boo-hooing
you mustn't be boo-hooing
they mustn't be boo-hooing	I mustn't have boo-hooed
you mustn't have boo-hooed
he mustn't have boo-hooed
we mustn't have boo-hooed
you mustn't have boo-hooed
they mustn't have boo-hooed	I mustn't have been boo-hooing
you mustn't have been boo-hooing
he mustn't have been boo-hooing
we mustn't have been boo-hooing
you mustn't have been boo-hooing
they mustn't have been boo-hooing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I boo-hoo?
must you boo-hoo?
must he boo-hoo?
must we boo-hoo?
must you boo-hoo?
must they boo-hoo? 	must I be boo-hooing?
must you be boo-hooing?
must he be boo-hooing?
must we be boo-hooing?
must you be boo-hooing?
must they be boo-hooing? 	must I have boo-hooed?
must you have boo-hooed?
must he have boo-hooed?
must we have boo-hooed?
must you have boo-hooed?
must they have boo-hooed? 	must I have been boo-hooing?
must you have been boo-hooing?
must he have been boo-hooing?
must we have been boo-hooing?
must you have been boo-hooing?
must they have been boo-hooing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I boo-hoo?
mustn't you boo-hoo?
mustn't he boo-hoo?
mustn't we boo-hoo?
mustn't you boo-hoo?
mustn't they boo-hoo? 	mustn't I be boo-hooing?
mustn't you be boo-hooing?
mustn't he be boo-hooing?
mustn't we be boo-hooing?
mustn't you be boo-hooing?
mustn't they be boo-hooing? 	mustn't I have boo-hooed?
mustn't you have boo-hooed?
mustn't he have boo-hooed?
mustn't we have boo-hooed?
mustn't you have boo-hooed?
mustn't they have boo-hooed? 	mustn't I have been boo-hooing?
mustn't you have been boo-hooing?
mustn't he have been boo-hooing?
mustn't we have been boo-hooing?
mustn't you have been boo-hooing?
mustn't they have been boo-hooing?