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 ought not to burp
you ought not to burp
he ought not to burp
we ought not to burp
you ought not to burp
they ought not to burp 	I ought not to burping
you ought not to burping
he ought not to burping
we ought not to burping
you ought not to burping
they ought not to burping	I ought not to have burped
you ought not to have burped
he ought not to have burped
we ought not to have burped
you ought not to have burped
they ought not to have burped	I ought not to have been burping
you ought not to have been burping
he ought not to have been burping
we ought not to have been burping
you ought not to have been burping
they ought not 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 	
ought I not to burp?
ought you not to burp?
ought he not to burp?
ought we not to burp?
ought you not to burp?
ought they not to burp? 	ought I not to be burping?
ought you not to be burping?
ought he not to be burping?
ought we not to be burping?
ought you not to be burping?
ought they not to be burping? 	ought I not to have burped?
ought you not to have burped?
ought he not to have burped?
ought we not to have burped?
ought you not to have burped?
ought they not to have burped? 	ought I not to have been burping?
ought you not to have been burping?
ought he not to have been burping?
ought we not to have been burping?
ought you not to have been burping?
ought they not to have been burping?