I ought to weld you ought to weld he ought to weld we ought to weld you ought to weld they ought to weld
V-ing form
I ought to be welding you ought to be welding he ought to be welding we ought to be welding you ought to be welding they ought to be welding
Perfect
I ought to have welded you ought to have welded he ought to have welded we ought to have welded you ought to have welded they ought to have welded
V-ing perfect
I ought to have been welding you ought to have been welding he ought to have been welding we ought to have been welding you ought to have been welding they ought to have been welding
Negation
Simple form
I ought not to weld you ought not to weld he ought not to weld we ought not to weld you ought not to weld they ought not to weld
V-ing form
I ought not to welding you ought not to welding he ought not to welding we ought not to welding you ought not to welding they ought not to welding
Perfect
I ought not to have welded you ought not to have welded he ought not to have welded we ought not to have welded you ought not to have welded they ought not to have welded
V-ing perfect
I ought not to have been welding you ought not to have been welding he ought not to have been welding we ought not to have been welding you ought not to have been welding they ought not to have been welding
Interrogative form
Simple form
ought to I weld? ought to you weld? ought to he weld? ought to we weld? ought to you weld? ought to they weld?
V-ing form
ought to I be welding? ought to you be welding? ought to he be welding? ought to we be welding? ought to you be welding? ought to they be welding?
Perfect
ought to I have welded? ought to you have welded? ought to he have welded? ought to we have welded? ought to you have welded? ought to they have welded?
V-ing perfect
ought to I have been welding? ought to you have been welding? ought to he have been welding? ought to we have been welding? ought to you have been welding? ought to they have been welding?
Interro-negative form
Simple form
ought I not to weld? ought you not to weld? ought he not to weld? ought we not to weld? ought you not to weld? ought they not to weld?
V-ing form
ought I not to be welding? ought you not to be welding? ought he not to be welding? ought we not to be welding? ought you not to be welding? ought they not to be welding?
Perfect
ought I not to have welded? ought you not to have welded? ought he not to have welded? ought we not to have welded? ought you not to have welded? ought they not to have welded?
V-ing perfect
ought I not to have been welding? ought you not to have been welding? ought he not to have been welding? ought we not to have been welding? ought you not to have been welding? ought they not to have been welding?