ought to burp
Regular verb: burp - burped- burped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to burp
you ought to burp
he ought to burp
we ought to burp
you ought to burp
they ought to burp 	I ought to be burping
you ought to be burping
he ought to be burping
we ought to be burping
you ought to be burping
they ought to be burping	I ought to have burped
you ought to have burped
he ought to have burped
we ought to have burped
you ought to have burped
they ought to have burped	I ought to have been burping
you ought to have been burping
he ought to have been burping
we ought to have been burping
you ought to have been burping
they ought to have been burping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to burp
you oughtn't to burp
he oughtn't to burp
we oughtn't to burp
you oughtn't to burp
they oughtn't to burp 	I oughtn't to be burping
you oughtn't to be burping
he oughtn't to be burping
we oughtn't to be burping
you oughtn't to be burping
they oughtn't to be burping	I oughtn't to have burped
you oughtn't to have burped
he oughtn't to have burped
we oughtn't to have burped
you oughtn't to have burped
they oughtn't to have burped	I oughtn't to have been burping
you oughtn't to have been burping
he oughtn't to have been burping
we oughtn't to have been burping
you oughtn't to have been burping
they oughtn't to have been burping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I burp?
ought to you burp?
ought to he burp?
ought to we burp?
ought to you burp?
ought to they burp? 	ought to I be burping?
ought to you be burping?
ought to he be burping?
ought to we be burping?
ought to you be burping?
ought to they be burping? 	ought to I have burped?
ought to you have burped?
ought to he have burped?
ought to we have burped?
ought to you have burped?
ought to they have burped? 	ought to I have been burping?
ought to you have been burping?
ought to he have been burping?
ought to we have been burping?
ought to you have been burping?
ought to they have been burping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to burp?
oughtn't you to burp?
oughtn't he to burp?
oughtn't we to burp?
oughtn't you to burp?
oughtn't they to burp? 	oughtn't I to be burping?
oughtn't you to be burping?
oughtn't he to be burping?
oughtn't we to be burping?
oughtn't you to be burping?
oughtn't they to be burping? 	oughtn't I to have burped?
oughtn't you to have burped?
oughtn't he to have burped?
oughtn't we to have burped?
oughtn't you to have burped?
oughtn't they to have burped? 	oughtn't I to have been burping?
oughtn't you to have been burping?
oughtn't he to have been burping?
oughtn't we to have been burping?
oughtn't you to have been burping?
oughtn't they to have been burping?