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