ought to comb
Regular verb: comb - combed- combed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to comb
you ought to comb
she ought to comb
we ought to comb
you ought to comb
they ought to comb 	I ought to be combing
you ought to be combing
she ought to be combing
we ought to be combing
you ought to be combing
they ought to be combing	I ought to have combed
you ought to have combed
she ought to have combed
we ought to have combed
you ought to have combed
they ought to have combed	I ought to have been combing
you ought to have been combing
she ought to have been combing
we ought to have been combing
you ought to have been combing
they ought to have been combing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to comb
you ought not to comb
she ought not to comb
we ought not to comb
you ought not to comb
they ought not to comb 	I ought not to combing
you ought not to combing
she ought not to combing
we ought not to combing
you ought not to combing
they ought not to combing	I ought not to have combed
you ought not to have combed
she ought not to have combed
we ought not to have combed
you ought not to have combed
they ought not to have combed	I ought not to have been combing
you ought not to have been combing
she ought not to have been combing
we ought not to have been combing
you ought not to have been combing
they ought not to have been combing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I comb?
ought to you comb?
ought to she comb?
ought to we comb?
ought to you comb?
ought to they comb? 	ought to I be combing?
ought to you be combing?
ought to she be combing?
ought to we be combing?
ought to you be combing?
ought to they be combing? 	ought to I have combed?
ought to you have combed?
ought to she have combed?
ought to we have combed?
ought to you have combed?
ought to they have combed? 	ought to I have been combing?
ought to you have been combing?
ought to she have been combing?
ought to we have been combing?
ought to you have been combing?
ought to they have been combing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to comb?
ought you not to comb?
ought she not to comb?
ought we not to comb?
ought you not to comb?
ought they not to comb? 	ought I not to be combing?
ought you not to be combing?
ought she not to be combing?
ought we not to be combing?
ought you not to be combing?
ought they not to be combing? 	ought I not to have combed?
ought you not to have combed?
ought she not to have combed?
ought we not to have combed?
ought you not to have combed?
ought they not to have combed? 	ought I not to have been combing?
ought you not to have been combing?
ought she not to have been combing?
ought we not to have been combing?
ought you not to have been combing?
ought they not to have been combing?