must shampoo
Verbo regular: shampoo - shampooed- shampooed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must shampoo
you must shampoo
he must shampoo
we must shampoo
you must shampoo
they must shampoo 	I must be shampooing
you must be shampooing
he must be shampooing
we must be shampooing
you must be shampooing
they must be shampooing	I must have shampooed
you must have shampooed
he must have shampooed
we must have shampooed
you must have shampooed
they must have shampooed	I must have been shampooing
you must have been shampooing
he must have been shampooing
we must have been shampooing
you must have been shampooing
they must have been shampooing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't shampoo
you mustn't shampoo
he mustn't shampoo
we mustn't shampoo
you mustn't shampoo
they mustn't shampoo 	I mustn't be shampooing
you mustn't be shampooing
he mustn't be shampooing
we mustn't be shampooing
you mustn't be shampooing
they mustn't be shampooing	I mustn't have shampooed
you mustn't have shampooed
he mustn't have shampooed
we mustn't have shampooed
you mustn't have shampooed
they mustn't have shampooed	I mustn't have been shampooing
you mustn't have been shampooing
he mustn't have been shampooing
we mustn't have been shampooing
you mustn't have been shampooing
they mustn't have been shampooing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I shampoo?
must you shampoo?
must he shampoo?
must we shampoo?
must you shampoo?
must they shampoo? 	must I be shampooing?
must you be shampooing?
must he be shampooing?
must we be shampooing?
must you be shampooing?
must they be shampooing? 	must I have shampooed?
must you have shampooed?
must he have shampooed?
must we have shampooed?
must you have shampooed?
must they have shampooed? 	must I have been shampooing?
must you have been shampooing?
must he have been shampooing?
must we have been shampooing?
must you have been shampooing?
must they have been shampooing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I shampoo?
mustn't you shampoo?
mustn't he shampoo?
mustn't we shampoo?
mustn't you shampoo?
mustn't they shampoo? 	mustn't I be shampooing?
mustn't you be shampooing?
mustn't he be shampooing?
mustn't we be shampooing?
mustn't you be shampooing?
mustn't they be shampooing? 	mustn't I have shampooed?
mustn't you have shampooed?
mustn't he have shampooed?
mustn't we have shampooed?
mustn't you have shampooed?
mustn't they have shampooed? 	mustn't I have been shampooing?
mustn't you have been shampooing?
mustn't he have been shampooing?
mustn't we have been shampooing?
mustn't you have been shampooing?
mustn't they have been shampooing?