English verb conjugation
OUGHT TO TREAT

Regular verb: treat - treated - treated

Affirmation

Simple form	V-ing form
I ought to treat you ought to treat he ought to treat we ought to treat you ought to treat they ought to treat	I ought to be treating you ought to be treating he ought to be treating we ought to be treating you ought to be treating they ought to be treating
Perfect	V-ing perfect
I ought to have treated you ought to have treated he ought to have treated we ought to have treated you ought to have treated they ought to have treated	I ought to have been treating you ought to have been treating he ought to have been treating we ought to have been treating you ought to have been treating they ought to have been treating

Negation

Simple form	V-ing form
I oughtn't to treat you oughtn't to treat he oughtn't to treat we oughtn't to treat you oughtn't to treat they oughtn't to treat	I oughtn't to be treating you oughtn't to be treating he oughtn't to be treating we oughtn't to be treating you oughtn't to be treating they oughtn't to be treating
Perfect	V-ing perfect
I oughtn't to have treated you oughtn't to have treated he oughtn't to have treated we oughtn't to have treated you oughtn't to have treated they oughtn't to have treated	I oughtn't to have been treating you oughtn't to have been treating he oughtn't to have been treating we oughtn't to have been treating you oughtn't to have been treating they oughtn't to have been treating

Interrogative form

Simple form	V-ing form
ought to I treat? ought to you treat? ought to he treat? ought to we treat? ought to you treat? ought to they treat?	ought to I be treating? ought to you be treating? ought to he be treating? ought to we be treating? ought to you be treating? ought to they be treating?
Perfect	V-ing perfect
ought to I have treated? ought to you have treated? ought to he have treated? ought to we have treated? ought to you have treated? ought to they have treated?	ought to I have been treating? ought to you have been treating? ought to he have been treating? ought to we have been treating? ought to you have been treating? ought to they have been treating?

Interro-negative form

Simple form	V-ing form
oughtn't I to treat? oughtn't you to treat? oughtn't he to treat? oughtn't we to treat? oughtn't you to treat? oughtn't they to treat?	oughtn't I to be treating? oughtn't you to be treating? oughtn't he to be treating? oughtn't we to be treating? oughtn't you to be treating? oughtn't they to be treating?
Perfect	V-ing perfect
oughtn't I to have treated? oughtn't you to have treated? oughtn't he to have treated? oughtn't we to have treated? oughtn't you to have treated? oughtn't they to have treated?	oughtn't I to have been treating? oughtn't you to have been treating? oughtn't he to have been treating? oughtn't we to have been treating? oughtn't you to have been treating? oughtn't they to have been treating?