must space
Verbo regular: space - spaced- spaced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must space
you must space
she must space
we must space
you must space
they must space 	I must be spacing
you must be spacing
she must be spacing
we must be spacing
you must be spacing
they must be spacing	I must have spaced
you must have spaced
she must have spaced
we must have spaced
you must have spaced
they must have spaced	I must have been spacing
you must have been spacing
she must have been spacing
we must have been spacing
you must have been spacing
they must have been spacing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not space
you must not space
she must not space
we must not space
you must not space
they must not space 	I must not be spacing
you must not be spacing
she must not be spacing
we must not be spacing
you must not be spacing
they must not be spacing	I must not have spaced
you must not have spaced
she must not have spaced
we must not have spaced
you must not have spaced
they must not have spaced	I must not have been spacing
you must not have been spacing
she must not have been spacing
we must not have been spacing
you must not have been spacing
they must not have been spacing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I space?
must you space?
must she space?
must we space?
must you space?
must they space? 	must I be spacing?
must you be spacing?
must she be spacing?
must we be spacing?
must you be spacing?
must they be spacing? 	must I have spaced?
must you have spaced?
must she have spaced?
must we have spaced?
must you have spaced?
must they have spaced? 	must I have been spacing?
must you have been spacing?
must she have been spacing?
must we have been spacing?
must you have been spacing?
must they have been spacing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not space?
must you not space?
must she not space?
must we not space?
must you not space?
must they not space? 	must I not be spacing?
must you not be spacing?
must she not be spacing?
must we not be spacing?
must you not be spacing?
must they not be spacing? 	must I not have spaced?
must you not have spaced?
must she not have spaced?
must we not have spaced?
must you not have spaced?
must they not have spaced? 	must I not have been spacing?
must you not have been spacing?
must she not have been spacing?
must we not have been spacing?
must you not have been spacing?
must they not have been spacing?