could double-space
Verbe régulier : double-space - double-spaced- double-spaced

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

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

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

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