I ought to backfit you ought to backfit she ought to backfit we ought to backfit you ought to backfit they ought to backfit
V-ing form
I ought to be backfiting you ought to be backfiting she ought to be backfiting we ought to be backfiting you ought to be backfiting they ought to be backfiting
Perfect
I ought to have backfit, backfitted you ought to have backfit, backfitted she ought to have backfit, backfitted we ought to have backfit, backfitted you ought to have backfit, backfitted they ought to have backfit, backfitted
V-ing perfect
I ought to have been backfiting you ought to have been backfiting she ought to have been backfiting we ought to have been backfiting you ought to have been backfiting they ought to have been backfiting
Negation
Simple form
I ought not to backfit you ought not to backfit she ought not to backfit we ought not to backfit you ought not to backfit they ought not to backfit
V-ing form
I ought not to backfiting you ought not to backfiting she ought not to backfiting we ought not to backfiting you ought not to backfiting they ought not to backfiting
Perfect
I ought not to have backfit, backfitted you ought not to have backfit, backfitted she ought not to have backfit, backfitted we ought not to have backfit, backfitted you ought not to have backfit, backfitted they ought not to have backfit, backfitted
V-ing perfect
I ought not to have been backfiting you ought not to have been backfiting she ought not to have been backfiting we ought not to have been backfiting you ought not to have been backfiting they ought not to have been backfiting
Interrogative form
Simple form
ought to I backfit? ought to you backfit? ought to she backfit? ought to we backfit? ought to you backfit? ought to they backfit?
V-ing form
ought to I be backfiting? ought to you be backfiting? ought to she be backfiting? ought to we be backfiting? ought to you be backfiting? ought to they be backfiting?
Perfect
ought to I have backfit, backfitted? ought to you have backfit, backfitted? ought to she have backfit, backfitted? ought to we have backfit, backfitted? ought to you have backfit, backfitted? ought to they have backfit, backfitted?
V-ing perfect
ought to I have been backfiting? ought to you have been backfiting? ought to she have been backfiting? ought to we have been backfiting? ought to you have been backfiting? ought to they have been backfiting?
Interro-negative form
Simple form
ought I not to backfit? ought you not to backfit? ought she not to backfit? ought we not to backfit? ought you not to backfit? ought they not to backfit?
V-ing form
ought I not to be backfiting? ought you not to be backfiting? ought she not to be backfiting? ought we not to be backfiting? ought you not to be backfiting? ought they not to be backfiting?
Perfect
ought I not to have backfit, backfitted? ought you not to have backfit, backfitted? ought she not to have backfit, backfitted? ought we not to have backfit, backfitted? ought you not to have backfit, backfitted? ought they not to have backfit, backfitted?
V-ing perfect
ought I not to have been backfiting? ought you not to have been backfiting? ought she not to have been backfiting? ought we not to have been backfiting? ought you not to have been backfiting? ought they not to have been backfiting?