must stook
Verbo regular: stook - stooked- stooked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must stook
you must stook
she must stook
we must stook
you must stook
they must stook 	I must be stooking
you must be stooking
she must be stooking
we must be stooking
you must be stooking
they must be stooking	I must have stooked
you must have stooked
she must have stooked
we must have stooked
you must have stooked
they must have stooked	I must have been stooking
you must have been stooking
she must have been stooking
we must have been stooking
you must have been stooking
they must have been stooking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not stook
you must not stook
she must not stook
we must not stook
you must not stook
they must not stook 	I must not be stooking
you must not be stooking
she must not be stooking
we must not be stooking
you must not be stooking
they must not be stooking	I must not have stooked
you must not have stooked
she must not have stooked
we must not have stooked
you must not have stooked
they must not have stooked	I must not have been stooking
you must not have been stooking
she must not have been stooking
we must not have been stooking
you must not have been stooking
they must not have been stooking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I stook?
must you stook?
must she stook?
must we stook?
must you stook?
must they stook? 	must I be stooking?
must you be stooking?
must she be stooking?
must we be stooking?
must you be stooking?
must they be stooking? 	must I have stooked?
must you have stooked?
must she have stooked?
must we have stooked?
must you have stooked?
must they have stooked? 	must I have been stooking?
must you have been stooking?
must she have been stooking?
must we have been stooking?
must you have been stooking?
must they have been stooking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not stook?
must you not stook?
must she not stook?
must we not stook?
must you not stook?
must they not stook? 	must I not be stooking?
must you not be stooking?
must she not be stooking?
must we not be stooking?
must you not be stooking?
must they not be stooking? 	must I not have stooked?
must you not have stooked?
must she not have stooked?
must we not have stooked?
must you not have stooked?
must they not have stooked? 	must I not have been stooking?
must you not have been stooking?
must she not have been stooking?
must we not have been stooking?
must you not have been stooking?
must they not have been stooking?