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