ought to pervade
Regular verb: pervade - pervaded- pervaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?