must single-space
Verbo regular: single-space - single-spaced- single-spaced

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

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't single-space
you mustn't single-space
he mustn't single-space
we mustn't single-space
you mustn't single-space
they mustn't single-space 	I mustn't be single-spacing
you mustn't be single-spacing
he mustn't be single-spacing
we mustn't be single-spacing
you mustn't be single-spacing
they mustn't be single-spacing	I mustn't have single-spaced
you mustn't have single-spaced
he mustn't have single-spaced
we mustn't have single-spaced
you mustn't have single-spaced
they mustn't have single-spaced	I mustn't have been single-spacing
you mustn't have been single-spacing
he mustn't have been single-spacing
we mustn't have been single-spacing
you mustn't have been single-spacing
they mustn't have been single-spacing	

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

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I single-space?
mustn't you single-space?
mustn't he single-space?
mustn't we single-space?
mustn't you single-space?
mustn't they single-space? 	mustn't I be single-spacing?
mustn't you be single-spacing?
mustn't he be single-spacing?
mustn't we be single-spacing?
mustn't you be single-spacing?
mustn't they be single-spacing? 	mustn't I have single-spaced?
mustn't you have single-spaced?
mustn't he have single-spaced?
mustn't we have single-spaced?
mustn't you have single-spaced?
mustn't they have single-spaced? 	mustn't I have been single-spacing?
mustn't you have been single-spacing?
mustn't he have been single-spacing?
mustn't we have been single-spacing?
mustn't you have been single-spacing?
mustn't they have been single-spacing?