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