ought to rob
Regular verb: rob - robbed- robbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to rob
you ought to rob
she ought to rob
we ought to rob
you ought to rob
they ought to rob 	I ought to be robbing
you ought to be robbing
she ought to be robbing
we ought to be robbing
you ought to be robbing
they ought to be robbing	I ought to have robbed
you ought to have robbed
she ought to have robbed
we ought to have robbed
you ought to have robbed
they ought to have robbed	I ought to have been robbing
you ought to have been robbing
she ought to have been robbing
we ought to have been robbing
you ought to have been robbing
they ought to have been robbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to rob
you ought not to rob
she ought not to rob
we ought not to rob
you ought not to rob
they ought not to rob 	I ought not to robbing
you ought not to robbing
she ought not to robbing
we ought not to robbing
you ought not to robbing
they ought not to robbing	I ought not to have robbed
you ought not to have robbed
she ought not to have robbed
we ought not to have robbed
you ought not to have robbed
they ought not to have robbed	I ought not to have been robbing
you ought not to have been robbing
she ought not to have been robbing
we ought not to have been robbing
you ought not to have been robbing
they ought not to have been robbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I rob?
ought to you rob?
ought to she rob?
ought to we rob?
ought to you rob?
ought to they rob? 	ought to I be robbing?
ought to you be robbing?
ought to she be robbing?
ought to we be robbing?
ought to you be robbing?
ought to they be robbing? 	ought to I have robbed?
ought to you have robbed?
ought to she have robbed?
ought to we have robbed?
ought to you have robbed?
ought to they have robbed? 	ought to I have been robbing?
ought to you have been robbing?
ought to she have been robbing?
ought to we have been robbing?
ought to you have been robbing?
ought to they have been robbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to rob?
ought you not to rob?
ought she not to rob?
ought we not to rob?
ought you not to rob?
ought they not to rob? 	ought I not to be robbing?
ought you not to be robbing?
ought she not to be robbing?
ought we not to be robbing?
ought you not to be robbing?
ought they not to be robbing? 	ought I not to have robbed?
ought you not to have robbed?
ought she not to have robbed?
ought we not to have robbed?
ought you not to have robbed?
ought they not to have robbed? 	ought I not to have been robbing?
ought you not to have been robbing?
ought she not to have been robbing?
ought we not to have been robbing?
ought you not to have been robbing?
ought they not to have been robbing?