ought to bum
Regular verb: bum - bummed- bummed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to bum
you ought to bum
he ought to bum
we ought to bum
you ought to bum
they ought to bum 	I ought to be bumming
you ought to be bumming
he ought to be bumming
we ought to be bumming
you ought to be bumming
they ought to be bumming	I ought to have bummed
you ought to have bummed
he ought to have bummed
we ought to have bummed
you ought to have bummed
they ought to have bummed	I ought to have been bumming
you ought to have been bumming
he ought to have been bumming
we ought to have been bumming
you ought to have been bumming
they ought to have been bumming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to bum
you ought not to bum
he ought not to bum
we ought not to bum
you ought not to bum
they ought not to bum 	I ought not to bumming
you ought not to bumming
he ought not to bumming
we ought not to bumming
you ought not to bumming
they ought not to bumming	I ought not to have bummed
you ought not to have bummed
he ought not to have bummed
we ought not to have bummed
you ought not to have bummed
they ought not to have bummed	I ought not to have been bumming
you ought not to have been bumming
he ought not to have been bumming
we ought not to have been bumming
you ought not to have been bumming
they ought not to have been bumming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I bum?
ought to you bum?
ought to he bum?
ought to we bum?
ought to you bum?
ought to they bum? 	ought to I be bumming?
ought to you be bumming?
ought to he be bumming?
ought to we be bumming?
ought to you be bumming?
ought to they be bumming? 	ought to I have bummed?
ought to you have bummed?
ought to he have bummed?
ought to we have bummed?
ought to you have bummed?
ought to they have bummed? 	ought to I have been bumming?
ought to you have been bumming?
ought to he have been bumming?
ought to we have been bumming?
ought to you have been bumming?
ought to they have been bumming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to bum?
ought you not to bum?
ought he not to bum?
ought we not to bum?
ought you not to bum?
ought they not to bum? 	ought I not to be bumming?
ought you not to be bumming?
ought he not to be bumming?
ought we not to be bumming?
ought you not to be bumming?
ought they not to be bumming? 	ought I not to have bummed?
ought you not to have bummed?
ought he not to have bummed?
ought we not to have bummed?
ought you not to have bummed?
ought they not to have bummed? 	ought I not to have been bumming?
ought you not to have been bumming?
ought he not to have been bumming?
ought we not to have been bumming?
ought you not to have been bumming?
ought they not to have been bumming?