English verb conjugation
OUGHT TO PERVADE

Regular verb: pervade - pervaded - pervaded

Affirmation

Simple form	V-ing form
I ought to pervade you ought to pervade he ought to pervade we ought to pervade you ought to pervade they ought to pervade	I ought to be pervading you ought to be pervading he ought to be pervading we ought to be pervading you ought to be pervading they ought to be pervading
Perfect	V-ing perfect
I ought to have pervaded you ought to have pervaded he ought to have pervaded we ought to have pervaded you ought to have pervaded they ought to have pervaded	I ought to have been pervading you ought to have been pervading he ought to have been pervading we ought to have been pervading you ought to have been pervading they ought to have been pervading

Negation

Simple form	V-ing form
I oughtn't to pervade you oughtn't to pervade he oughtn't to pervade we oughtn't to pervade you oughtn't to pervade they oughtn't to pervade	I oughtn't to be pervading you oughtn't to be pervading he oughtn't to be pervading we oughtn't to be pervading you oughtn't to be pervading they oughtn't to be pervading
Perfect	V-ing perfect
I oughtn't to have pervaded you oughtn't to have pervaded he oughtn't to have pervaded we oughtn't to have pervaded you oughtn't to have pervaded they oughtn't to have pervaded	I oughtn't to have been pervading you oughtn't to have been pervading he oughtn't to have been pervading we oughtn't to have been pervading you oughtn't to have been pervading they oughtn't to have been pervading

Interrogative form

Simple form	V-ing form
ought to I pervade? ought to you pervade? ought to he pervade? ought to we pervade? ought to you pervade? ought to they pervade?	ought to I be pervading? ought to you be pervading? ought to he be pervading? ought to we be pervading? ought to you be pervading? ought to they be pervading?
Perfect	V-ing perfect
ought to I have pervaded? ought to you have pervaded? ought to he have pervaded? ought to we have pervaded? ought to you have pervaded? ought to they have pervaded?	ought to I have been pervading? ought to you have been pervading? ought to he have been pervading? ought to we have been pervading? ought to you have been pervading? ought to they have been pervading?

Interro-negative form

Simple form	V-ing form
oughtn't I to pervade? oughtn't you to pervade? oughtn't he to pervade? oughtn't we to pervade? oughtn't you to pervade? oughtn't they to pervade?	oughtn't I to be pervading? oughtn't you to be pervading? oughtn't he to be pervading? oughtn't we to be pervading? oughtn't you to be pervading? oughtn't they to be pervading?
Perfect	V-ing perfect
oughtn't I to have pervaded? oughtn't you to have pervaded? oughtn't he to have pervaded? oughtn't we to have pervaded? oughtn't you to have pervaded? oughtn't they to have pervaded?	oughtn't I to have been pervading? oughtn't you to have been pervading? oughtn't he to have been pervading? oughtn't we to have been pervading? oughtn't you to have been pervading? oughtn't they to have been pervading?