ought to tarnish
Regular verb: tarnish - tarnished- tarnished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to tarnish
you ought to tarnish
he ought to tarnish
we ought to tarnish
you ought to tarnish
they ought to tarnish 	I ought to be tarnishing
you ought to be tarnishing
he ought to be tarnishing
we ought to be tarnishing
you ought to be tarnishing
they ought to be tarnishing	I ought to have tarnished
you ought to have tarnished
he ought to have tarnished
we ought to have tarnished
you ought to have tarnished
they ought to have tarnished	I ought to have been tarnishing
you ought to have been tarnishing
he ought to have been tarnishing
we ought to have been tarnishing
you ought to have been tarnishing
they ought to have been tarnishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to tarnish
you ought not to tarnish
he ought not to tarnish
we ought not to tarnish
you ought not to tarnish
they ought not to tarnish 	I ought not to tarnishing
you ought not to tarnishing
he ought not to tarnishing
we ought not to tarnishing
you ought not to tarnishing
they ought not to tarnishing	I ought not to have tarnished
you ought not to have tarnished
he ought not to have tarnished
we ought not to have tarnished
you ought not to have tarnished
they ought not to have tarnished	I ought not to have been tarnishing
you ought not to have been tarnishing
he ought not to have been tarnishing
we ought not to have been tarnishing
you ought not to have been tarnishing
they ought not to have been tarnishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I tarnish?
ought to you tarnish?
ought to he tarnish?
ought to we tarnish?
ought to you tarnish?
ought to they tarnish? 	ought to I be tarnishing?
ought to you be tarnishing?
ought to he be tarnishing?
ought to we be tarnishing?
ought to you be tarnishing?
ought to they be tarnishing? 	ought to I have tarnished?
ought to you have tarnished?
ought to he have tarnished?
ought to we have tarnished?
ought to you have tarnished?
ought to they have tarnished? 	ought to I have been tarnishing?
ought to you have been tarnishing?
ought to he have been tarnishing?
ought to we have been tarnishing?
ought to you have been tarnishing?
ought to they have been tarnishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to tarnish?
ought you not to tarnish?
ought he not to tarnish?
ought we not to tarnish?
ought you not to tarnish?
ought they not to tarnish? 	ought I not to be tarnishing?
ought you not to be tarnishing?
ought he not to be tarnishing?
ought we not to be tarnishing?
ought you not to be tarnishing?
ought they not to be tarnishing? 	ought I not to have tarnished?
ought you not to have tarnished?
ought he not to have tarnished?
ought we not to have tarnished?
ought you not to have tarnished?
ought they not to have tarnished? 	ought I not to have been tarnishing?
ought you not to have been tarnishing?
ought he not to have been tarnishing?
ought we not to have been tarnishing?
ought you not to have been tarnishing?
ought they not to have been tarnishing?