English verb conjugation
OUGHT TO STUDY

Regular verb: study - studied - studied

Affirmation

Simple form	V-ing form
I ought to study you ought to study he ought to study we ought to study you ought to study they ought to study	I ought to be studying you ought to be studying he ought to be studying we ought to be studying you ought to be studying they ought to be studying
Perfect	V-ing perfect
I ought to have studied you ought to have studied he ought to have studied we ought to have studied you ought to have studied they ought to have studied	I ought to have been studying you ought to have been studying he ought to have been studying we ought to have been studying you ought to have been studying they ought to have been studying

Negation

Simple form	V-ing form
I oughtn't to study you oughtn't to study he oughtn't to study we oughtn't to study you oughtn't to study they oughtn't to study	I oughtn't to be studying you oughtn't to be studying he oughtn't to be studying we oughtn't to be studying you oughtn't to be studying they oughtn't to be studying
Perfect	V-ing perfect
I oughtn't to have studied you oughtn't to have studied he oughtn't to have studied we oughtn't to have studied you oughtn't to have studied they oughtn't to have studied	I oughtn't to have been studying you oughtn't to have been studying he oughtn't to have been studying we oughtn't to have been studying you oughtn't to have been studying they oughtn't to have been studying

Interrogative form

Simple form	V-ing form
ought to I study? ought to you study? ought to he study? ought to we study? ought to you study? ought to they study?	ought to I be studying? ought to you be studying? ought to he be studying? ought to we be studying? ought to you be studying? ought to they be studying?
Perfect	V-ing perfect
ought to I have studied? ought to you have studied? ought to he have studied? ought to we have studied? ought to you have studied? ought to they have studied?	ought to I have been studying? ought to you have been studying? ought to he have been studying? ought to we have been studying? ought to you have been studying? ought to they have been studying?

Interro-negative form

Simple form	V-ing form
oughtn't I to study? oughtn't you to study? oughtn't he to study? oughtn't we to study? oughtn't you to study? oughtn't they to study?	oughtn't I to be studying? oughtn't you to be studying? oughtn't he to be studying? oughtn't we to be studying? oughtn't you to be studying? oughtn't they to be studying?
Perfect	V-ing perfect
oughtn't I to have studied? oughtn't you to have studied? oughtn't he to have studied? oughtn't we to have studied? oughtn't you to have studied? oughtn't they to have studied?	oughtn't I to have been studying? oughtn't you to have been studying? oughtn't he to have been studying? oughtn't we to have been studying? oughtn't you to have been studying? oughtn't they to have been studying?