ought to birl
Regular verb: birl - birled- birled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to birl
you ought to birl
she ought to birl
we ought to birl
you ought to birl
they ought to birl 	I ought to be birling
you ought to be birling
she ought to be birling
we ought to be birling
you ought to be birling
they ought to be birling	I ought to have birled
you ought to have birled
she ought to have birled
we ought to have birled
you ought to have birled
they ought to have birled	I ought to have been birling
you ought to have been birling
she ought to have been birling
we ought to have been birling
you ought to have been birling
they ought to have been birling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to birl
you ought not to birl
she ought not to birl
we ought not to birl
you ought not to birl
they ought not to birl 	I ought not to birling
you ought not to birling
she ought not to birling
we ought not to birling
you ought not to birling
they ought not to birling	I ought not to have birled
you ought not to have birled
she ought not to have birled
we ought not to have birled
you ought not to have birled
they ought not to have birled	I ought not to have been birling
you ought not to have been birling
she ought not to have been birling
we ought not to have been birling
you ought not to have been birling
they ought not to have been birling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I birl?
ought to you birl?
ought to she birl?
ought to we birl?
ought to you birl?
ought to they birl? 	ought to I be birling?
ought to you be birling?
ought to she be birling?
ought to we be birling?
ought to you be birling?
ought to they be birling? 	ought to I have birled?
ought to you have birled?
ought to she have birled?
ought to we have birled?
ought to you have birled?
ought to they have birled? 	ought to I have been birling?
ought to you have been birling?
ought to she have been birling?
ought to we have been birling?
ought to you have been birling?
ought to they have been birling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to birl?
ought you not to birl?
ought she not to birl?
ought we not to birl?
ought you not to birl?
ought they not to birl? 	ought I not to be birling?
ought you not to be birling?
ought she not to be birling?
ought we not to be birling?
ought you not to be birling?
ought they not to be birling? 	ought I not to have birled?
ought you not to have birled?
ought she not to have birled?
ought we not to have birled?
ought you not to have birled?
ought they not to have birled? 	ought I not to have been birling?
ought you not to have been birling?
ought she not to have been birling?
ought we not to have been birling?
ought you not to have been birling?
ought they not to have been birling?