English verb conjugation
COULD DRAG

Regular verb: drag - dragged - dragged

Affirmation

Simple form	V-ing form
I could drag you could drag she could drag we could drag you could drag they could drag	I could be dragging you could be dragging she 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 she 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 she 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 couldn't drag you couldn't drag she couldn't drag we couldn't drag you couldn't drag they couldn't drag	I couldn't be dragging you couldn't be dragging she couldn't be dragging we couldn't be dragging you couldn't be dragging they couldn't be dragging
Perfect	V-ing perfect
I couldn't have dragged you couldn't have dragged she couldn't have dragged we couldn't have dragged you couldn't have dragged they couldn't have dragged	I couldn't have been dragging you couldn't have been dragging she couldn't have been dragging we couldn't have been dragging you couldn't have been dragging they couldn't have been dragging

Interrogative form

Simple form	V-ing form
could I drag? could you drag? could she drag? could we drag? could you drag? could they drag?	could I be dragging? could you be dragging? could she 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 she 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 she 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
couldn't I drag? couldn't you drag? couldn't she drag? couldn't we drag? couldn't you drag? couldn't they drag?	couldn't I be dragging? couldn't you be dragging? couldn't she be dragging? couldn't we be dragging? couldn't you be dragging? couldn't they be dragging?
Perfect	V-ing perfect
couldn't I have dragged? couldn't you have dragged? couldn't she have dragged? couldn't we have dragged? couldn't you have dragged? couldn't they have dragged?	couldn't I have been dragging? couldn't you have been dragging? couldn't she have been dragging? couldn't we have been dragging? couldn't you have been dragging? couldn't they have been dragging?