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