I ought to regrind you ought to regrind he ought to regrind we ought to regrind you ought to regrind they ought to regrind
V-ing form
I ought to be regrinding you ought to be regrinding he ought to be regrinding we ought to be regrinding you ought to be regrinding they ought to be regrinding
Perfect
I ought to have reground you ought to have reground he ought to have reground we ought to have reground you ought to have reground they ought to have reground
V-ing perfect
I ought to have been regrinding you ought to have been regrinding he ought to have been regrinding we ought to have been regrinding you ought to have been regrinding they ought to have been regrinding
Negation
Simple form
I ought not to regrind you ought not to regrind he ought not to regrind we ought not to regrind you ought not to regrind they ought not to regrind
V-ing form
I ought not to regrinding you ought not to regrinding he ought not to regrinding we ought not to regrinding you ought not to regrinding they ought not to regrinding
Perfect
I ought not to have reground you ought not to have reground he ought not to have reground we ought not to have reground you ought not to have reground they ought not to have reground
V-ing perfect
I ought not to have been regrinding you ought not to have been regrinding he ought not to have been regrinding we ought not to have been regrinding you ought not to have been regrinding they ought not to have been regrinding
Interrogative form
Simple form
ought to I regrind? ought to you regrind? ought to he regrind? ought to we regrind? ought to you regrind? ought to they regrind?
V-ing form
ought to I be regrinding? ought to you be regrinding? ought to he be regrinding? ought to we be regrinding? ought to you be regrinding? ought to they be regrinding?
Perfect
ought to I have reground? ought to you have reground? ought to he have reground? ought to we have reground? ought to you have reground? ought to they have reground?
V-ing perfect
ought to I have been regrinding? ought to you have been regrinding? ought to he have been regrinding? ought to we have been regrinding? ought to you have been regrinding? ought to they have been regrinding?
Interro-negative form
Simple form
ought I not to regrind? ought you not to regrind? ought he not to regrind? ought we not to regrind? ought you not to regrind? ought they not to regrind?
V-ing form
ought I not to be regrinding? ought you not to be regrinding? ought he not to be regrinding? ought we not to be regrinding? ought you not to be regrinding? ought they not to be regrinding?
Perfect
ought I not to have reground? ought you not to have reground? ought he not to have reground? ought we not to have reground? ought you not to have reground? ought they not to have reground?
V-ing perfect
ought I not to have been regrinding? ought you not to have been regrinding? ought he not to have been regrinding? ought we not to have been regrinding? ought you not to have been regrinding? ought they not to have been regrinding?