ought to assail
Regular verb: assail - assailed- assailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to assail
you ought to assail
she ought to assail
we ought to assail
you ought to assail
they ought to assail 	I ought to be assailing
you ought to be assailing
she ought to be assailing
we ought to be assailing
you ought to be assailing
they ought to be assailing	I ought to have assailed
you ought to have assailed
she ought to have assailed
we ought to have assailed
you ought to have assailed
they ought to have assailed	I ought to have been assailing
you ought to have been assailing
she ought to have been assailing
we ought to have been assailing
you ought to have been assailing
they ought to have been assailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to assail
you oughtn't to assail
she oughtn't to assail
we oughtn't to assail
you oughtn't to assail
they oughtn't to assail 	I oughtn't to be assailing
you oughtn't to be assailing
she oughtn't to be assailing
we oughtn't to be assailing
you oughtn't to be assailing
they oughtn't to be assailing	I oughtn't to have assailed
you oughtn't to have assailed
she oughtn't to have assailed
we oughtn't to have assailed
you oughtn't to have assailed
they oughtn't to have assailed	I oughtn't to have been assailing
you oughtn't to have been assailing
she oughtn't to have been assailing
we oughtn't to have been assailing
you oughtn't to have been assailing
they oughtn't to have been assailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I assail?
ought to you assail?
ought to she assail?
ought to we assail?
ought to you assail?
ought to they assail? 	ought to I be assailing?
ought to you be assailing?
ought to she be assailing?
ought to we be assailing?
ought to you be assailing?
ought to they be assailing? 	ought to I have assailed?
ought to you have assailed?
ought to she have assailed?
ought to we have assailed?
ought to you have assailed?
ought to they have assailed? 	ought to I have been assailing?
ought to you have been assailing?
ought to she have been assailing?
ought to we have been assailing?
ought to you have been assailing?
ought to they have been assailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to assail?
oughtn't you to assail?
oughtn't she to assail?
oughtn't we to assail?
oughtn't you to assail?
oughtn't they to assail? 	oughtn't I to be assailing?
oughtn't you to be assailing?
oughtn't she to be assailing?
oughtn't we to be assailing?
oughtn't you to be assailing?
oughtn't they to be assailing? 	oughtn't I to have assailed?
oughtn't you to have assailed?
oughtn't she to have assailed?
oughtn't we to have assailed?
oughtn't you to have assailed?
oughtn't they to have assailed? 	oughtn't I to have been assailing?
oughtn't you to have been assailing?
oughtn't she to have been assailing?
oughtn't we to have been assailing?
oughtn't you to have been assailing?
oughtn't they to have been assailing?