must scroll
Verbo regular: scroll - scrolled- scrolled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must scroll
you must scroll
she must scroll
we must scroll
you must scroll
they must scroll 	I must be scrolling
you must be scrolling
she must be scrolling
we must be scrolling
you must be scrolling
they must be scrolling	I must have scrolled
you must have scrolled
she must have scrolled
we must have scrolled
you must have scrolled
they must have scrolled	I must have been scrolling
you must have been scrolling
she must have been scrolling
we must have been scrolling
you must have been scrolling
they must have been scrolling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not scroll
you must not scroll
she must not scroll
we must not scroll
you must not scroll
they must not scroll 	I must not be scrolling
you must not be scrolling
she must not be scrolling
we must not be scrolling
you must not be scrolling
they must not be scrolling	I must not have scrolled
you must not have scrolled
she must not have scrolled
we must not have scrolled
you must not have scrolled
they must not have scrolled	I must not have been scrolling
you must not have been scrolling
she must not have been scrolling
we must not have been scrolling
you must not have been scrolling
they must not have been scrolling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I scroll?
must you scroll?
must she scroll?
must we scroll?
must you scroll?
must they scroll? 	must I be scrolling?
must you be scrolling?
must she be scrolling?
must we be scrolling?
must you be scrolling?
must they be scrolling? 	must I have scrolled?
must you have scrolled?
must she have scrolled?
must we have scrolled?
must you have scrolled?
must they have scrolled? 	must I have been scrolling?
must you have been scrolling?
must she have been scrolling?
must we have been scrolling?
must you have been scrolling?
must they have been scrolling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not scroll?
must you not scroll?
must she not scroll?
must we not scroll?
must you not scroll?
must they not scroll? 	must I not be scrolling?
must you not be scrolling?
must she not be scrolling?
must we not be scrolling?
must you not be scrolling?
must they not be scrolling? 	must I not have scrolled?
must you not have scrolled?
must she not have scrolled?
must we not have scrolled?
must you not have scrolled?
must they not have scrolled? 	must I not have been scrolling?
must you not have been scrolling?
must she not have been scrolling?
must we not have been scrolling?
must you not have been scrolling?
must they not have been scrolling?