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