I ought to skitter you ought to skitter she ought to skitter we ought to skitter you ought to skitter they ought to skitter
V-ing form
I ought to be skittering you ought to be skittering she ought to be skittering we ought to be skittering you ought to be skittering they ought to be skittering
Perfect
I ought to have skittered you ought to have skittered she ought to have skittered we ought to have skittered you ought to have skittered they ought to have skittered
V-ing perfect
I ought to have been skittering you ought to have been skittering she ought to have been skittering we ought to have been skittering you ought to have been skittering they ought to have been skittering
Negation
Simple form
I oughtn't to skitter you oughtn't to skitter she oughtn't to skitter we oughtn't to skitter you oughtn't to skitter they oughtn't to skitter
V-ing form
I oughtn't to be skittering you oughtn't to be skittering she oughtn't to be skittering we oughtn't to be skittering you oughtn't to be skittering they oughtn't to be skittering
Perfect
I oughtn't to have skittered you oughtn't to have skittered she oughtn't to have skittered we oughtn't to have skittered you oughtn't to have skittered they oughtn't to have skittered
V-ing perfect
I oughtn't to have been skittering you oughtn't to have been skittering she oughtn't to have been skittering we oughtn't to have been skittering you oughtn't to have been skittering they oughtn't to have been skittering
Interrogative form
Simple form
ought to I skitter? ought to you skitter? ought to she skitter? ought to we skitter? ought to you skitter? ought to they skitter?
V-ing form
ought to I be skittering? ought to you be skittering? ought to she be skittering? ought to we be skittering? ought to you be skittering? ought to they be skittering?
Perfect
ought to I have skittered? ought to you have skittered? ought to she have skittered? ought to we have skittered? ought to you have skittered? ought to they have skittered?
V-ing perfect
ought to I have been skittering? ought to you have been skittering? ought to she have been skittering? ought to we have been skittering? ought to you have been skittering? ought to they have been skittering?
Interro-negative form
Simple form
oughtn't I to skitter? oughtn't you to skitter? oughtn't she to skitter? oughtn't we to skitter? oughtn't you to skitter? oughtn't they to skitter?
V-ing form
oughtn't I to be skittering? oughtn't you to be skittering? oughtn't she to be skittering? oughtn't we to be skittering? oughtn't you to be skittering? oughtn't they to be skittering?
Perfect
oughtn't I to have skittered? oughtn't you to have skittered? oughtn't she to have skittered? oughtn't we to have skittered? oughtn't you to have skittered? oughtn't they to have skittered?
V-ing perfect
oughtn't I to have been skittering? oughtn't you to have been skittering? oughtn't she to have been skittering? oughtn't we to have been skittering? oughtn't you to have been skittering? oughtn't they to have been skittering?