ought to quail
Regular verb: quail - quailed- quailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to quail
you ought to quail
he ought to quail
we ought to quail
you ought to quail
they ought to quail 	I ought to be quailing
you ought to be quailing
he ought to be quailing
we ought to be quailing
you ought to be quailing
they ought to be quailing	I ought to have quailed
you ought to have quailed
he ought to have quailed
we ought to have quailed
you ought to have quailed
they ought to have quailed	I ought to have been quailing
you ought to have been quailing
he ought to have been quailing
we ought to have been quailing
you ought to have been quailing
they ought to have been quailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to quail
you oughtn't to quail
he oughtn't to quail
we oughtn't to quail
you oughtn't to quail
they oughtn't to quail 	I oughtn't to be quailing
you oughtn't to be quailing
he oughtn't to be quailing
we oughtn't to be quailing
you oughtn't to be quailing
they oughtn't to be quailing	I oughtn't to have quailed
you oughtn't to have quailed
he oughtn't to have quailed
we oughtn't to have quailed
you oughtn't to have quailed
they oughtn't to have quailed	I oughtn't to have been quailing
you oughtn't to have been quailing
he oughtn't to have been quailing
we oughtn't to have been quailing
you oughtn't to have been quailing
they oughtn't to have been quailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I quail?
ought to you quail?
ought to he quail?
ought to we quail?
ought to you quail?
ought to they quail? 	ought to I be quailing?
ought to you be quailing?
ought to he be quailing?
ought to we be quailing?
ought to you be quailing?
ought to they be quailing? 	ought to I have quailed?
ought to you have quailed?
ought to he have quailed?
ought to we have quailed?
ought to you have quailed?
ought to they have quailed? 	ought to I have been quailing?
ought to you have been quailing?
ought to he have been quailing?
ought to we have been quailing?
ought to you have been quailing?
ought to they have been quailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to quail?
oughtn't you to quail?
oughtn't he to quail?
oughtn't we to quail?
oughtn't you to quail?
oughtn't they to quail? 	oughtn't I to be quailing?
oughtn't you to be quailing?
oughtn't he to be quailing?
oughtn't we to be quailing?
oughtn't you to be quailing?
oughtn't they to be quailing? 	oughtn't I to have quailed?
oughtn't you to have quailed?
oughtn't he to have quailed?
oughtn't we to have quailed?
oughtn't you to have quailed?
oughtn't they to have quailed? 	oughtn't I to have been quailing?
oughtn't you to have been quailing?
oughtn't he to have been quailing?
oughtn't we to have been quailing?
oughtn't you to have been quailing?
oughtn't they to have been quailing?