ought to stalk
Regular verb: stalk - stalked- stalked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to stalk
you ought to stalk
he ought to stalk
we ought to stalk
you ought to stalk
they ought to stalk 	I ought to be stalking
you ought to be stalking
he ought to be stalking
we ought to be stalking
you ought to be stalking
they ought to be stalking	I ought to have stalked
you ought to have stalked
he ought to have stalked
we ought to have stalked
you ought to have stalked
they ought to have stalked	I ought to have been stalking
you ought to have been stalking
he ought to have been stalking
we ought to have been stalking
you ought to have been stalking
they ought to have been stalking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to stalk
you ought not to stalk
he ought not to stalk
we ought not to stalk
you ought not to stalk
they ought not to stalk 	I ought not to stalking
you ought not to stalking
he ought not to stalking
we ought not to stalking
you ought not to stalking
they ought not to stalking	I ought not to have stalked
you ought not to have stalked
he ought not to have stalked
we ought not to have stalked
you ought not to have stalked
they ought not to have stalked	I ought not to have been stalking
you ought not to have been stalking
he ought not to have been stalking
we ought not to have been stalking
you ought not to have been stalking
they ought not to have been stalking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I stalk?
ought to you stalk?
ought to he stalk?
ought to we stalk?
ought to you stalk?
ought to they stalk? 	ought to I be stalking?
ought to you be stalking?
ought to he be stalking?
ought to we be stalking?
ought to you be stalking?
ought to they be stalking? 	ought to I have stalked?
ought to you have stalked?
ought to he have stalked?
ought to we have stalked?
ought to you have stalked?
ought to they have stalked? 	ought to I have been stalking?
ought to you have been stalking?
ought to he have been stalking?
ought to we have been stalking?
ought to you have been stalking?
ought to they have been stalking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to stalk?
ought you not to stalk?
ought he not to stalk?
ought we not to stalk?
ought you not to stalk?
ought they not to stalk? 	ought I not to be stalking?
ought you not to be stalking?
ought he not to be stalking?
ought we not to be stalking?
ought you not to be stalking?
ought they not to be stalking? 	ought I not to have stalked?
ought you not to have stalked?
ought he not to have stalked?
ought we not to have stalked?
ought you not to have stalked?
ought they not to have stalked? 	ought I not to have been stalking?
ought you not to have been stalking?
ought he not to have been stalking?
ought we not to have been stalking?
ought you not to have been stalking?
ought they not to have been stalking?