I ought to frog you ought to frog he ought to frog we ought to frog you ought to frog they ought to frog
V-ing form
I ought to be froging you ought to be froging he ought to be froging we ought to be froging you ought to be froging they ought to be froging
Perfect
I ought to have froged you ought to have froged he ought to have froged we ought to have froged you ought to have froged they ought to have froged
V-ing perfect
I ought to have been froging you ought to have been froging he ought to have been froging we ought to have been froging you ought to have been froging they ought to have been froging
Negation
Simple form
I oughtn't to frog you oughtn't to frog he oughtn't to frog we oughtn't to frog you oughtn't to frog they oughtn't to frog
V-ing form
I oughtn't to be froging you oughtn't to be froging he oughtn't to be froging we oughtn't to be froging you oughtn't to be froging they oughtn't to be froging
Perfect
I oughtn't to have froged you oughtn't to have froged he oughtn't to have froged we oughtn't to have froged you oughtn't to have froged they oughtn't to have froged
V-ing perfect
I oughtn't to have been froging you oughtn't to have been froging he oughtn't to have been froging we oughtn't to have been froging you oughtn't to have been froging they oughtn't to have been froging
Interrogative form
Simple form
ought to I frog? ought to you frog? ought to he frog? ought to we frog? ought to you frog? ought to they frog?
V-ing form
ought to I be froging? ought to you be froging? ought to he be froging? ought to we be froging? ought to you be froging? ought to they be froging?
Perfect
ought to I have froged? ought to you have froged? ought to he have froged? ought to we have froged? ought to you have froged? ought to they have froged?
V-ing perfect
ought to I have been froging? ought to you have been froging? ought to he have been froging? ought to we have been froging? ought to you have been froging? ought to they have been froging?
Interro-negative form
Simple form
oughtn't I to frog? oughtn't you to frog? oughtn't he to frog? oughtn't we to frog? oughtn't you to frog? oughtn't they to frog?
V-ing form
oughtn't I to be froging? oughtn't you to be froging? oughtn't he to be froging? oughtn't we to be froging? oughtn't you to be froging? oughtn't they to be froging?
Perfect
oughtn't I to have froged? oughtn't you to have froged? oughtn't he to have froged? oughtn't we to have froged? oughtn't you to have froged? oughtn't they to have froged?
V-ing perfect
oughtn't I to have been froging? oughtn't you to have been froging? oughtn't he to have been froging? oughtn't we to have been froging? oughtn't you to have been froging? oughtn't they to have been froging?