ought to tack
Regular verb: tack - tacked- tacked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to tack
you ought to tack
he ought to tack
we ought to tack
you ought to tack
they ought to tack 	I ought to be tacking
you ought to be tacking
he ought to be tacking
we ought to be tacking
you ought to be tacking
they ought to be tacking	I ought to have tacked
you ought to have tacked
he ought to have tacked
we ought to have tacked
you ought to have tacked
they ought to have tacked	I ought to have been tacking
you ought to have been tacking
he ought to have been tacking
we ought to have been tacking
you ought to have been tacking
they ought to have been tacking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to tack
you ought not to tack
he ought not to tack
we ought not to tack
you ought not to tack
they ought not to tack 	I ought not to tacking
you ought not to tacking
he ought not to tacking
we ought not to tacking
you ought not to tacking
they ought not to tacking	I ought not to have tacked
you ought not to have tacked
he ought not to have tacked
we ought not to have tacked
you ought not to have tacked
they ought not to have tacked	I ought not to have been tacking
you ought not to have been tacking
he ought not to have been tacking
we ought not to have been tacking
you ought not to have been tacking
they ought not to have been tacking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I tack?
ought to you tack?
ought to he tack?
ought to we tack?
ought to you tack?
ought to they tack? 	ought to I be tacking?
ought to you be tacking?
ought to he be tacking?
ought to we be tacking?
ought to you be tacking?
ought to they be tacking? 	ought to I have tacked?
ought to you have tacked?
ought to he have tacked?
ought to we have tacked?
ought to you have tacked?
ought to they have tacked? 	ought to I have been tacking?
ought to you have been tacking?
ought to he have been tacking?
ought to we have been tacking?
ought to you have been tacking?
ought to they have been tacking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to tack?
ought you not to tack?
ought he not to tack?
ought we not to tack?
ought you not to tack?
ought they not to tack? 	ought I not to be tacking?
ought you not to be tacking?
ought he not to be tacking?
ought we not to be tacking?
ought you not to be tacking?
ought they not to be tacking? 	ought I not to have tacked?
ought you not to have tacked?
ought he not to have tacked?
ought we not to have tacked?
ought you not to have tacked?
ought they not to have tacked? 	ought I not to have been tacking?
ought you not to have been tacking?
ought he not to have been tacking?
ought we not to have been tacking?
ought you not to have been tacking?
ought they not to have been tacking?