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