must double-space
Verbe régulier : double-space - double-spaced- double-spaced

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must double-space
you must double-space
she must double-space
we must double-space
you must double-space
they must double-space 	I must be double-spacing
you must be double-spacing
she must be double-spacing
we must be double-spacing
you must be double-spacing
they must be double-spacing	I must have double-spaced
you must have double-spaced
she must have double-spaced
we must have double-spaced
you must have double-spaced
they must have double-spaced	I must have been double-spacing
you must have been double-spacing
she must have been double-spacing
we must have been double-spacing
you must have been double-spacing
they must have been double-spacing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't double-space
you mustn't double-space
she mustn't double-space
we mustn't double-space
you mustn't double-space
they mustn't double-space 	I mustn't be double-spacing
you mustn't be double-spacing
she mustn't be double-spacing
we mustn't be double-spacing
you mustn't be double-spacing
they mustn't be double-spacing	I mustn't have double-spaced
you mustn't have double-spaced
she mustn't have double-spaced
we mustn't have double-spaced
you mustn't have double-spaced
they mustn't have double-spaced	I mustn't have been double-spacing
you mustn't have been double-spacing
she mustn't have been double-spacing
we mustn't have been double-spacing
you mustn't have been double-spacing
they mustn't have been double-spacing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I double-space?
must you double-space?
must she double-space?
must we double-space?
must you double-space?
must they double-space? 	must I be double-spacing?
must you be double-spacing?
must she be double-spacing?
must we be double-spacing?
must you be double-spacing?
must they be double-spacing? 	must I have double-spaced?
must you have double-spaced?
must she have double-spaced?
must we have double-spaced?
must you have double-spaced?
must they have double-spaced? 	must I have been double-spacing?
must you have been double-spacing?
must she have been double-spacing?
must we have been double-spacing?
must you have been double-spacing?
must they have been double-spacing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I double-space?
mustn't you double-space?
mustn't she double-space?
mustn't we double-space?
mustn't you double-space?
mustn't they double-space? 	mustn't I be double-spacing?
mustn't you be double-spacing?
mustn't she be double-spacing?
mustn't we be double-spacing?
mustn't you be double-spacing?
mustn't they be double-spacing? 	mustn't I have double-spaced?
mustn't you have double-spaced?
mustn't she have double-spaced?
mustn't we have double-spaced?
mustn't you have double-spaced?
mustn't they have double-spaced? 	mustn't I have been double-spacing?
mustn't you have been double-spacing?
mustn't she have been double-spacing?
mustn't we have been double-spacing?
mustn't you have been double-spacing?
mustn't they have been double-spacing?