I ought to light you ought to light he ought to light we ought to light you ought to light they ought to light
V-ing form
I ought to be lighting you ought to be lighting he ought to be lighting we ought to be lighting you ought to be lighting they ought to be lighting
Perfect
I ought to have lit you ought to have lit he ought to have lit we ought to have lit you ought to have lit they ought to have lit
V-ing perfect
I ought to have been lighting you ought to have been lighting he ought to have been lighting we ought to have been lighting you ought to have been lighting they ought to have been lighting
Negation
Simple form
I oughtn't to light you oughtn't to light he oughtn't to light we oughtn't to light you oughtn't to light they oughtn't to light
V-ing form
I oughtn't to be lighting you oughtn't to be lighting he oughtn't to be lighting we oughtn't to be lighting you oughtn't to be lighting they oughtn't to be lighting
Perfect
I oughtn't to have lit you oughtn't to have lit he oughtn't to have lit we oughtn't to have lit you oughtn't to have lit they oughtn't to have lit
V-ing perfect
I oughtn't to have been lighting you oughtn't to have been lighting he oughtn't to have been lighting we oughtn't to have been lighting you oughtn't to have been lighting they oughtn't to have been lighting
Interrogative form
Simple form
ought to I light? ought to you light? ought to he light? ought to we light? ought to you light? ought to they light?
V-ing form
ought to I be lighting? ought to you be lighting? ought to he be lighting? ought to we be lighting? ought to you be lighting? ought to they be lighting?
Perfect
ought to I have lit? ought to you have lit? ought to he have lit? ought to we have lit? ought to you have lit? ought to they have lit?
V-ing perfect
ought to I have been lighting? ought to you have been lighting? ought to he have been lighting? ought to we have been lighting? ought to you have been lighting? ought to they have been lighting?
Interro-negative form
Simple form
oughtn't I to light? oughtn't you to light? oughtn't he to light? oughtn't we to light? oughtn't you to light? oughtn't they to light?
V-ing form
oughtn't I to be lighting? oughtn't you to be lighting? oughtn't he to be lighting? oughtn't we to be lighting? oughtn't you to be lighting? oughtn't they to be lighting?
Perfect
oughtn't I to have lit? oughtn't you to have lit? oughtn't he to have lit? oughtn't we to have lit? oughtn't you to have lit? oughtn't they to have lit?
V-ing perfect
oughtn't I to have been lighting? oughtn't you to have been lighting? oughtn't he to have been lighting? oughtn't we to have been lighting? oughtn't you to have been lighting? oughtn't they to have been lighting?