I ought to dig you ought to dig he 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 he 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 he 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 he 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 ought not to dig you ought not to dig he ought not to dig we ought not to dig you ought not to dig they ought not to dig
V-ing form
I ought not to digging you ought not to digging he ought not to digging we ought not to digging you ought not to digging they ought not to digging
Perfect
I ought not to have dug you ought not to have dug he ought not to have dug we ought not to have dug you ought not to have dug they ought not to have dug
V-ing perfect
I ought not to have been digging you ought not to have been digging he ought not to have been digging we ought not to have been digging you ought not to have been digging they ought not to have been digging
Interrogative form
Simple form
ought to I dig? ought to you dig? ought to he 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 he 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 he 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 he 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
ought I not to dig? ought you not to dig? ought he not to dig? ought we not to dig? ought you not to dig? ought they not to dig?
V-ing form
ought I not to be digging? ought you not to be digging? ought he not to be digging? ought we not to be digging? ought you not to be digging? ought they not to be digging?
Perfect
ought I not to have dug? ought you not to have dug? ought he not to have dug? ought we not to have dug? ought you not to have dug? ought they not to have dug?
V-ing perfect
ought I not to have been digging? ought you not to have been digging? ought he not to have been digging? ought we not to have been digging? ought you not to have been digging? ought they not to have been digging?