I ought to cater you ought to cater he ought to cater we ought to cater you ought to cater they ought to cater
V-ing form
I ought to be catering you ought to be catering he ought to be catering we ought to be catering you ought to be catering they ought to be catering
Perfect
I ought to have catered you ought to have catered he ought to have catered we ought to have catered you ought to have catered they ought to have catered
V-ing perfect
I ought to have been catering you ought to have been catering he ought to have been catering we ought to have been catering you ought to have been catering they ought to have been catering
Negation
Simple form
I ought not to cater you ought not to cater he ought not to cater we ought not to cater you ought not to cater they ought not to cater
V-ing form
I ought not to catering you ought not to catering he ought not to catering we ought not to catering you ought not to catering they ought not to catering
Perfect
I ought not to have catered you ought not to have catered he ought not to have catered we ought not to have catered you ought not to have catered they ought not to have catered
V-ing perfect
I ought not to have been catering you ought not to have been catering he ought not to have been catering we ought not to have been catering you ought not to have been catering they ought not to have been catering
Interrogative form
Simple form
ought to I cater? ought to you cater? ought to he cater? ought to we cater? ought to you cater? ought to they cater?
V-ing form
ought to I be catering? ought to you be catering? ought to he be catering? ought to we be catering? ought to you be catering? ought to they be catering?
Perfect
ought to I have catered? ought to you have catered? ought to he have catered? ought to we have catered? ought to you have catered? ought to they have catered?
V-ing perfect
ought to I have been catering? ought to you have been catering? ought to he have been catering? ought to we have been catering? ought to you have been catering? ought to they have been catering?
Interro-negative form
Simple form
ought I not to cater? ought you not to cater? ought he not to cater? ought we not to cater? ought you not to cater? ought they not to cater?
V-ing form
ought I not to be catering? ought you not to be catering? ought he not to be catering? ought we not to be catering? ought you not to be catering? ought they not to be catering?
Perfect
ought I not to have catered? ought you not to have catered? ought he not to have catered? ought we not to have catered? ought you not to have catered? ought they not to have catered?
V-ing perfect
ought I not to have been catering? ought you not to have been catering? ought he not to have been catering? ought we not to have been catering? ought you not to have been catering? ought they not to have been catering?