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