English verb conjugation
CAN SINGLE-SPACE

Regular verb: single-space - single-spaced - single-spaced

Affirmation

Simple form	V-ing form
I can single-space you can single-space he can single-space we can single-space you can single-space they can single-space	I can be single-spacing you can be single-spacing he can be single-spacing we can be single-spacing you can be single-spacing they can be single-spacing
Perfect	V-ing perfect
I can have single-spaced you can have single-spaced he can have single-spaced we can have single-spaced you can have single-spaced they can have single-spaced	I can have been single-spacing you can have been single-spacing he can have been single-spacing we can have been single-spacing you can have been single-spacing they can have been single-spacing

Negation

Simple form	V-ing form
I cannot single-space you cannot single-space he cannot single-space we cannot single-space you cannot single-space they cannot single-space	I cannot be single-spacing you cannot be single-spacing he cannot be single-spacing we cannot be single-spacing you cannot be single-spacing they cannot be single-spacing
Perfect	V-ing perfect
I cannot have single-spaced you cannot have single-spaced he cannot have single-spaced we cannot have single-spaced you cannot have single-spaced they cannot have single-spaced	I cannot have been single-spacing you cannot have been single-spacing he cannot have been single-spacing we cannot have been single-spacing you cannot have been single-spacing they cannot have been single-spacing

Interrogative form

Simple form	V-ing form
can I single-space? can you single-space? can he single-space? can we single-space? can you single-space? can they single-space?	can I be single-spacing? can you be single-spacing? can he be single-spacing? can we be single-spacing? can you be single-spacing? can they be single-spacing?
Perfect	V-ing perfect
can I have single-spaced? can you have single-spaced? can he have single-spaced? can we have single-spaced? can you have single-spaced? can they have single-spaced?	can I have been single-spacing? can you have been single-spacing? can he have been single-spacing? can we have been single-spacing? can you have been single-spacing? can they have been single-spacing?

Interro-negative form

Simple form	V-ing form
can I not single-space? can you not single-space? can he not single-space? can we not single-space? can you not single-space? can they not single-space?	can I not be single-spacing? can you not be single-spacing? can he not be single-spacing? can we not be single-spacing? can you not be single-spacing? can they not be single-spacing?
Perfect	V-ing perfect
can I not have single-spaced? can you not have single-spaced? can he not have single-spaced? can we not have single-spaced? can you not have single-spaced? can they not have single-spaced?	can I not have been single-spacing? can you not have been single-spacing? can he not have been single-spacing? can we not have been single-spacing? can you not have been single-spacing? can they not have been single-spacing?