must prank
Verbo regular: prank - pranked- pranked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must prank
you must prank
she must prank
we must prank
you must prank
they must prank 	I must be pranking
you must be pranking
she must be pranking
we must be pranking
you must be pranking
they must be pranking	I must have pranked
you must have pranked
she must have pranked
we must have pranked
you must have pranked
they must have pranked	I must have been pranking
you must have been pranking
she must have been pranking
we must have been pranking
you must have been pranking
they must have been pranking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not prank
you must not prank
she must not prank
we must not prank
you must not prank
they must not prank 	I must not be pranking
you must not be pranking
she must not be pranking
we must not be pranking
you must not be pranking
they must not be pranking	I must not have pranked
you must not have pranked
she must not have pranked
we must not have pranked
you must not have pranked
they must not have pranked	I must not have been pranking
you must not have been pranking
she must not have been pranking
we must not have been pranking
you must not have been pranking
they must not have been pranking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I prank?
must you prank?
must she prank?
must we prank?
must you prank?
must they prank? 	must I be pranking?
must you be pranking?
must she be pranking?
must we be pranking?
must you be pranking?
must they be pranking? 	must I have pranked?
must you have pranked?
must she have pranked?
must we have pranked?
must you have pranked?
must they have pranked? 	must I have been pranking?
must you have been pranking?
must she have been pranking?
must we have been pranking?
must you have been pranking?
must they have been pranking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not prank?
must you not prank?
must she not prank?
must we not prank?
must you not prank?
must they not prank? 	must I not be pranking?
must you not be pranking?
must she not be pranking?
must we not be pranking?
must you not be pranking?
must they not be pranking? 	must I not have pranked?
must you not have pranked?
must she not have pranked?
must we not have pranked?
must you not have pranked?
must they not have pranked? 	must I not have been pranking?
must you not have been pranking?
must she not have been pranking?
must we not have been pranking?
must you not have been pranking?
must they not have been pranking?