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 oughtn't to weld you oughtn't to weld he oughtn't to weld we oughtn't to weld you oughtn't to weld they oughtn't to weld
V-ing form
I oughtn't to be welding you oughtn't to be welding he oughtn't to be welding we oughtn't to be welding you oughtn't to be welding they oughtn't to be welding
Perfect
I oughtn't to have welded you oughtn't to have welded he oughtn't to have welded we oughtn't to have welded you oughtn't to have welded they oughtn't to have welded
V-ing perfect
I oughtn't to have been welding you oughtn't to have been welding he oughtn't to have been welding we oughtn't to have been welding you oughtn't to have been welding they oughtn't 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
oughtn't I to weld? oughtn't you to weld? oughtn't he to weld? oughtn't we to weld? oughtn't you to weld? oughtn't they to weld?
V-ing form
oughtn't I to be welding? oughtn't you to be welding? oughtn't he to be welding? oughtn't we to be welding? oughtn't you to be welding? oughtn't they to be welding?
Perfect
oughtn't I to have welded? oughtn't you to have welded? oughtn't he to have welded? oughtn't we to have welded? oughtn't you to have welded? oughtn't they to have welded?
V-ing perfect
oughtn't I to have been welding? oughtn't you to have been welding? oughtn't he to have been welding? oughtn't we to have been welding? oughtn't you to have been welding? oughtn't they to have been welding?