English verb conjugation
COULD DRAG

Regular verb: drag - dragged - dragged

Affirmation

Simple form	V-ing form
I could drag you could drag he could drag we could drag you could drag they could drag	I could be dragging you could be dragging he could be dragging we could be dragging you could be dragging they could be dragging
Perfect	V-ing perfect
I could have dragged you could have dragged he could have dragged we could have dragged you could have dragged they could have dragged	I could have been dragging you could have been dragging he could have been dragging we could have been dragging you could have been dragging they could have been dragging

Negation

Simple form	V-ing form
I could not drag you could not drag he could not drag we could not drag you could not drag they could not drag	I could not be dragging you could not be dragging he could not be dragging we could not be dragging you could not be dragging they could not be dragging
Perfect	V-ing perfect
I could not have dragged you could not have dragged he could not have dragged we could not have dragged you could not have dragged they could not have dragged	I could not have been dragging you could not have been dragging he could not have been dragging we could not have been dragging you could not have been dragging they could not have been dragging

Interrogative form

Simple form	V-ing form
could I drag? could you drag? could he drag? could we drag? could you drag? could they drag?	could I be dragging? could you be dragging? could he be dragging? could we be dragging? could you be dragging? could they be dragging?
Perfect	V-ing perfect
could I have dragged? could you have dragged? could he have dragged? could we have dragged? could you have dragged? could they have dragged?	could I have been dragging? could you have been dragging? could he have been dragging? could we have been dragging? could you have been dragging? could they have been dragging?

Interro-negative form

Simple form	V-ing form
could I not drag? could you not drag? could he not drag? could we not drag? could you not drag? could they not drag?	could I not be dragging? could you not be dragging? could he not be dragging? could we not be dragging? could you not be dragging? could they not be dragging?
Perfect	V-ing perfect
could I not have dragged? could you not have dragged? could he not have dragged? could we not have dragged? could you not have dragged? could they not have dragged?	could I not have been dragging? could you not have been dragging? could he not have been dragging? could we not have been dragging? could you not have been dragging? could they not have been dragging?