must still
Verbo regular: still - stilled- stilled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must still
you must still
she must still
we must still
you must still
they must still 	I must be stilling
you must be stilling
she must be stilling
we must be stilling
you must be stilling
they must be stilling	I must have stilled
you must have stilled
she must have stilled
we must have stilled
you must have stilled
they must have stilled	I must have been stilling
you must have been stilling
she must have been stilling
we must have been stilling
you must have been stilling
they must have been stilling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't still
you mustn't still
she mustn't still
we mustn't still
you mustn't still
they mustn't still 	I mustn't be stilling
you mustn't be stilling
she mustn't be stilling
we mustn't be stilling
you mustn't be stilling
they mustn't be stilling	I mustn't have stilled
you mustn't have stilled
she mustn't have stilled
we mustn't have stilled
you mustn't have stilled
they mustn't have stilled	I mustn't have been stilling
you mustn't have been stilling
she mustn't have been stilling
we mustn't have been stilling
you mustn't have been stilling
they mustn't have been stilling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I still?
must you still?
must she still?
must we still?
must you still?
must they still? 	must I be stilling?
must you be stilling?
must she be stilling?
must we be stilling?
must you be stilling?
must they be stilling? 	must I have stilled?
must you have stilled?
must she have stilled?
must we have stilled?
must you have stilled?
must they have stilled? 	must I have been stilling?
must you have been stilling?
must she have been stilling?
must we have been stilling?
must you have been stilling?
must they have been stilling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I still?
mustn't you still?
mustn't she still?
mustn't we still?
mustn't you still?
mustn't they still? 	mustn't I be stilling?
mustn't you be stilling?
mustn't she be stilling?
mustn't we be stilling?
mustn't you be stilling?
mustn't they be stilling? 	mustn't I have stilled?
mustn't you have stilled?
mustn't she have stilled?
mustn't we have stilled?
mustn't you have stilled?
mustn't they have stilled? 	mustn't I have been stilling?
mustn't you have been stilling?
mustn't she have been stilling?
mustn't we have been stilling?
mustn't you have been stilling?
mustn't they have been stilling?