I should drag you should drag she should drag we should drag you should drag they should drag
V-ing form
I should be dragging you should be dragging she should be dragging we should be dragging you should be dragging they should be dragging
Perfect
I should have dragged you should have dragged she should have dragged we should have dragged you should have dragged they should have dragged
V-ing perfect
I should have been dragging you should have been dragging she should have been dragging we should have been dragging you should have been dragging they should have been dragging
Negation
Simple form
I should not drag you should not drag she should not drag we should not drag you should not drag they should not drag
V-ing form
I should not be dragging you should not be dragging she should not be dragging we should not be dragging you should not be dragging they should not be dragging
Perfect
I should not have dragged you should not have dragged she should not have dragged we should not have dragged you should not have dragged they should not have dragged
V-ing perfect
I should not have been dragging you should not have been dragging she should not have been dragging we should not have been dragging you should not have been dragging they should not have been dragging
Interrogative form
Simple form
should I drag? should you drag? should she drag? should we drag? should you drag? should they drag?
V-ing form
should I be dragging? should you be dragging? should she be dragging? should we be dragging? should you be dragging? should they be dragging?
Perfect
should I have dragged? should you have dragged? should she have dragged? should we have dragged? should you have dragged? should they have dragged?
V-ing perfect
should I have been dragging? should you have been dragging? should she have been dragging? should we have been dragging? should you have been dragging? should they have been dragging?
Interro-negative form
Simple form
should I not drag? should you not drag? should she not drag? should we not drag? should you not drag? should they not drag?
V-ing form
should I not be dragging? should you not be dragging? should she not be dragging? should we not be dragging? should you not be dragging? should they not be dragging?
Perfect
should I not have dragged? should you not have dragged? should she not have dragged? should we not have dragged? should you not have dragged? should they not have dragged?
V-ing perfect
should I not have been dragging? should you not have been dragging? should she not have been dragging? should we not have been dragging? should you not have been dragging? should they not have been dragging?