English verb conjugation
OUGHT TO SING SING

Regular verb: sing sing - sing singed - sing singed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I ought to sing sing you ought to sing sing he ought to sing sing we ought to sing sing you ought to sing sing they ought to sing sing	I ought to be sing singing you ought to be sing singing he ought to be sing singing we ought to be sing singing you ought to be sing singing they ought to be sing singing
Perfect	V-ing perfect
I ought to have sing singed you ought to have sing singed he ought to have sing singed we ought to have sing singed you ought to have sing singed they ought to have sing singed	I ought to have been sing singing you ought to have been sing singing he ought to have been sing singing we ought to have been sing singing you ought to have been sing singing they ought to have been sing singing

Negation

Simple form	V-ing form
I oughtn't to sing sing you oughtn't to sing sing he oughtn't to sing sing we oughtn't to sing sing you oughtn't to sing sing they oughtn't to sing sing	I oughtn't to be sing singing you oughtn't to be sing singing he oughtn't to be sing singing we oughtn't to be sing singing you oughtn't to be sing singing they oughtn't to be sing singing
Perfect	V-ing perfect
I oughtn't to have sing singed you oughtn't to have sing singed he oughtn't to have sing singed we oughtn't to have sing singed you oughtn't to have sing singed they oughtn't to have sing singed	I oughtn't to have been sing singing you oughtn't to have been sing singing he oughtn't to have been sing singing we oughtn't to have been sing singing you oughtn't to have been sing singing they oughtn't to have been sing singing

Interrogative form

Simple form	V-ing form
ought to I sing sing? ought to you sing sing? ought to he sing sing? ought to we sing sing? ought to you sing sing? ought to they sing sing?	ought to I be sing singing? ought to you be sing singing? ought to he be sing singing? ought to we be sing singing? ought to you be sing singing? ought to they be sing singing?
Perfect	V-ing perfect
ought to I have sing singed? ought to you have sing singed? ought to he have sing singed? ought to we have sing singed? ought to you have sing singed? ought to they have sing singed?	ought to I have been sing singing? ought to you have been sing singing? ought to he have been sing singing? ought to we have been sing singing? ought to you have been sing singing? ought to they have been sing singing?

Interro-negative form

Simple form	V-ing form
oughtn't I to sing sing? oughtn't you to sing sing? oughtn't he to sing sing? oughtn't we to sing sing? oughtn't you to sing sing? oughtn't they to sing sing?	oughtn't I to be sing singing? oughtn't you to be sing singing? oughtn't he to be sing singing? oughtn't we to be sing singing? oughtn't you to be sing singing? oughtn't they to be sing singing?
Perfect	V-ing perfect
oughtn't I to have sing singed? oughtn't you to have sing singed? oughtn't he to have sing singed? oughtn't we to have sing singed? oughtn't you to have sing singed? oughtn't they to have sing singed?	oughtn't I to have been sing singing? oughtn't you to have been sing singing? oughtn't he to have been sing singing? oughtn't we to have been sing singing? oughtn't you to have been sing singing? oughtn't they to have been sing singing?