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