I ought to frequent you ought to frequent he ought to frequent we ought to frequent you ought to frequent they ought to frequent
V-ing form
I ought to be frequenting you ought to be frequenting he ought to be frequenting we ought to be frequenting you ought to be frequenting they ought to be frequenting
Perfect
I ought to have frequented you ought to have frequented he ought to have frequented we ought to have frequented you ought to have frequented they ought to have frequented
V-ing perfect
I ought to have been frequenting you ought to have been frequenting he ought to have been frequenting we ought to have been frequenting you ought to have been frequenting they ought to have been frequenting
Negation
Simple form
I ought not to frequent you ought not to frequent he ought not to frequent we ought not to frequent you ought not to frequent they ought not to frequent
V-ing form
I ought not to frequenting you ought not to frequenting he ought not to frequenting we ought not to frequenting you ought not to frequenting they ought not to frequenting
Perfect
I ought not to have frequented you ought not to have frequented he ought not to have frequented we ought not to have frequented you ought not to have frequented they ought not to have frequented
V-ing perfect
I ought not to have been frequenting you ought not to have been frequenting he ought not to have been frequenting we ought not to have been frequenting you ought not to have been frequenting they ought not to have been frequenting
Interrogative form
Simple form
ought to I frequent? ought to you frequent? ought to he frequent? ought to we frequent? ought to you frequent? ought to they frequent?
V-ing form
ought to I be frequenting? ought to you be frequenting? ought to he be frequenting? ought to we be frequenting? ought to you be frequenting? ought to they be frequenting?
Perfect
ought to I have frequented? ought to you have frequented? ought to he have frequented? ought to we have frequented? ought to you have frequented? ought to they have frequented?
V-ing perfect
ought to I have been frequenting? ought to you have been frequenting? ought to he have been frequenting? ought to we have been frequenting? ought to you have been frequenting? ought to they have been frequenting?
Interro-negative form
Simple form
ought I not to frequent? ought you not to frequent? ought he not to frequent? ought we not to frequent? ought you not to frequent? ought they not to frequent?
V-ing form
ought I not to be frequenting? ought you not to be frequenting? ought he not to be frequenting? ought we not to be frequenting? ought you not to be frequenting? ought they not to be frequenting?
Perfect
ought I not to have frequented? ought you not to have frequented? ought he not to have frequented? ought we not to have frequented? ought you not to have frequented? ought they not to have frequented?
V-ing perfect
ought I not to have been frequenting? ought you not to have been frequenting? ought he not to have been frequenting? ought we not to have been frequenting? ought you not to have been frequenting? ought they not to have been frequenting?