English verb conjugation
COULD SIDELINE

Regular verb: sideline - sidelined - sidelined

Affirmation

Simple form	V-ing form
I could sideline you could sideline he could sideline we could sideline you could sideline they could sideline	I could be sidelining you could be sidelining he could be sidelining we could be sidelining you could be sidelining they could be sidelining
Perfect	V-ing perfect
I could have sidelined you could have sidelined he could have sidelined we could have sidelined you could have sidelined they could have sidelined	I could have been sidelining you could have been sidelining he could have been sidelining we could have been sidelining you could have been sidelining they could have been sidelining

Negation

Simple form	V-ing form
I couldn't sideline you couldn't sideline he couldn't sideline we couldn't sideline you couldn't sideline they couldn't sideline	I couldn't be sidelining you couldn't be sidelining he couldn't be sidelining we couldn't be sidelining you couldn't be sidelining they couldn't be sidelining
Perfect	V-ing perfect
I couldn't have sidelined you couldn't have sidelined he couldn't have sidelined we couldn't have sidelined you couldn't have sidelined they couldn't have sidelined	I couldn't have been sidelining you couldn't have been sidelining he couldn't have been sidelining we couldn't have been sidelining you couldn't have been sidelining they couldn't have been sidelining

Interrogative form

Simple form	V-ing form
could I sideline? could you sideline? could he sideline? could we sideline? could you sideline? could they sideline?	could I be sidelining? could you be sidelining? could he be sidelining? could we be sidelining? could you be sidelining? could they be sidelining?
Perfect	V-ing perfect
could I have sidelined? could you have sidelined? could he have sidelined? could we have sidelined? could you have sidelined? could they have sidelined?	could I have been sidelining? could you have been sidelining? could he have been sidelining? could we have been sidelining? could you have been sidelining? could they have been sidelining?

Interro-negative form

Simple form	V-ing form
couldn't I sideline? couldn't you sideline? couldn't he sideline? couldn't we sideline? couldn't you sideline? couldn't they sideline?	couldn't I be sidelining? couldn't you be sidelining? couldn't he be sidelining? couldn't we be sidelining? couldn't you be sidelining? couldn't they be sidelining?
Perfect	V-ing perfect
couldn't I have sidelined? couldn't you have sidelined? couldn't he have sidelined? couldn't we have sidelined? couldn't you have sidelined? couldn't they have sidelined?	couldn't I have been sidelining? couldn't you have been sidelining? couldn't he have been sidelining? couldn't we have been sidelining? couldn't you have been sidelining? couldn't they have been sidelining?