I ought to spot you ought to spot she ought to spot we ought to spot you ought to spot they ought to spot
V-ing form
I ought to be spotting you ought to be spotting she ought to be spotting we ought to be spotting you ought to be spotting they ought to be spotting
Perfect
I ought to have spotted you ought to have spotted she ought to have spotted we ought to have spotted you ought to have spotted they ought to have spotted
V-ing perfect
I ought to have been spotting you ought to have been spotting she ought to have been spotting we ought to have been spotting you ought to have been spotting they ought to have been spotting
Negation
Simple form
I oughtn't to spot you oughtn't to spot she oughtn't to spot we oughtn't to spot you oughtn't to spot they oughtn't to spot
V-ing form
I oughtn't to be spotting you oughtn't to be spotting she oughtn't to be spotting we oughtn't to be spotting you oughtn't to be spotting they oughtn't to be spotting
Perfect
I oughtn't to have spotted you oughtn't to have spotted she oughtn't to have spotted we oughtn't to have spotted you oughtn't to have spotted they oughtn't to have spotted
V-ing perfect
I oughtn't to have been spotting you oughtn't to have been spotting she oughtn't to have been spotting we oughtn't to have been spotting you oughtn't to have been spotting they oughtn't to have been spotting
Interrogative form
Simple form
ought to I spot? ought to you spot? ought to she spot? ought to we spot? ought to you spot? ought to they spot?
V-ing form
ought to I be spotting? ought to you be spotting? ought to she be spotting? ought to we be spotting? ought to you be spotting? ought to they be spotting?
Perfect
ought to I have spotted? ought to you have spotted? ought to she have spotted? ought to we have spotted? ought to you have spotted? ought to they have spotted?
V-ing perfect
ought to I have been spotting? ought to you have been spotting? ought to she have been spotting? ought to we have been spotting? ought to you have been spotting? ought to they have been spotting?
Interro-negative form
Simple form
oughtn't I to spot? oughtn't you to spot? oughtn't she to spot? oughtn't we to spot? oughtn't you to spot? oughtn't they to spot?
V-ing form
oughtn't I to be spotting? oughtn't you to be spotting? oughtn't she to be spotting? oughtn't we to be spotting? oughtn't you to be spotting? oughtn't they to be spotting?
Perfect
oughtn't I to have spotted? oughtn't you to have spotted? oughtn't she to have spotted? oughtn't we to have spotted? oughtn't you to have spotted? oughtn't they to have spotted?
V-ing perfect
oughtn't I to have been spotting? oughtn't you to have been spotting? oughtn't she to have been spotting? oughtn't we to have been spotting? oughtn't you to have been spotting? oughtn't they to have been spotting?