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 can't single-space you can't single-space he can't single-space we can't single-space you can't single-space they can't single-space	I can't be single-spacing you can't be single-spacing he can't be single-spacing we can't be single-spacing you can't be single-spacing they can't be single-spacing
Perfect	V-ing perfect
I can't have single-spaced you can't have single-spaced he can't have single-spaced we can't have single-spaced you can't have single-spaced they can't have single-spaced	I can't have been single-spacing you can't have been single-spacing he can't have been single-spacing we can't have been single-spacing you can't have been single-spacing they can't 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't I single-space? can't you single-space? can't he single-space? can't we single-space? can't you single-space? can't they single-space?	can't I be single-spacing? can't you be single-spacing? can't he be single-spacing? can't we be single-spacing? can't you be single-spacing? can't they be single-spacing?
Perfect	V-ing perfect
can't I have single-spaced? can't you have single-spaced? can't he have single-spaced? can't we have single-spaced? can't you have single-spaced? can't they have single-spaced?	can't I have been single-spacing? can't you have been single-spacing? can't he have been single-spacing? can't we have been single-spacing? can't you have been single-spacing? can't they have been single-spacing?