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