must tap
Verbo regular: tap - tapped- tapped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must tap
you must tap
he must tap
we must tap
you must tap
they must tap 	I must be tapping
you must be tapping
he must be tapping
we must be tapping
you must be tapping
they must be tapping	I must have tapped
you must have tapped
he must have tapped
we must have tapped
you must have tapped
they must have tapped	I must have been tapping
you must have been tapping
he must have been tapping
we must have been tapping
you must have been tapping
they must have been tapping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't tap
you mustn't tap
he mustn't tap
we mustn't tap
you mustn't tap
they mustn't tap 	I mustn't be tapping
you mustn't be tapping
he mustn't be tapping
we mustn't be tapping
you mustn't be tapping
they mustn't be tapping	I mustn't have tapped
you mustn't have tapped
he mustn't have tapped
we mustn't have tapped
you mustn't have tapped
they mustn't have tapped	I mustn't have been tapping
you mustn't have been tapping
he mustn't have been tapping
we mustn't have been tapping
you mustn't have been tapping
they mustn't have been tapping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I tap?
must you tap?
must he tap?
must we tap?
must you tap?
must they tap? 	must I be tapping?
must you be tapping?
must he be tapping?
must we be tapping?
must you be tapping?
must they be tapping? 	must I have tapped?
must you have tapped?
must he have tapped?
must we have tapped?
must you have tapped?
must they have tapped? 	must I have been tapping?
must you have been tapping?
must he have been tapping?
must we have been tapping?
must you have been tapping?
must they have been tapping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I tap?
mustn't you tap?
mustn't he tap?
mustn't we tap?
mustn't you tap?
mustn't they tap? 	mustn't I be tapping?
mustn't you be tapping?
mustn't he be tapping?
mustn't we be tapping?
mustn't you be tapping?
mustn't they be tapping? 	mustn't I have tapped?
mustn't you have tapped?
mustn't he have tapped?
mustn't we have tapped?
mustn't you have tapped?
mustn't they have tapped? 	mustn't I have been tapping?
mustn't you have been tapping?
mustn't he have been tapping?
mustn't we have been tapping?
mustn't you have been tapping?
mustn't they have been tapping?