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