I ought to sow you ought to sow she ought to sow we ought to sow you ought to sow they ought to sow
V-ing form
I ought to be sowing you ought to be sowing she ought to be sowing we ought to be sowing you ought to be sowing they ought to be sowing
Perfect
I ought to have sown, sowed you ought to have sown, sowed she ought to have sown, sowed we ought to have sown, sowed you ought to have sown, sowed they ought to have sown, sowed
V-ing perfect
I ought to have been sowing you ought to have been sowing she ought to have been sowing we ought to have been sowing you ought to have been sowing they ought to have been sowing
Negation
Simple form
I ought not to sow you ought not to sow she ought not to sow we ought not to sow you ought not to sow they ought not to sow
V-ing form
I ought not to sowing you ought not to sowing she ought not to sowing we ought not to sowing you ought not to sowing they ought not to sowing
Perfect
I ought not to have sown, sowed you ought not to have sown, sowed she ought not to have sown, sowed we ought not to have sown, sowed you ought not to have sown, sowed they ought not to have sown, sowed
V-ing perfect
I ought not to have been sowing you ought not to have been sowing she ought not to have been sowing we ought not to have been sowing you ought not to have been sowing they ought not to have been sowing
Interrogative form
Simple form
ought to I sow? ought to you sow? ought to she sow? ought to we sow? ought to you sow? ought to they sow?
V-ing form
ought to I be sowing? ought to you be sowing? ought to she be sowing? ought to we be sowing? ought to you be sowing? ought to they be sowing?
Perfect
ought to I have sown, sowed? ought to you have sown, sowed? ought to she have sown, sowed? ought to we have sown, sowed? ought to you have sown, sowed? ought to they have sown, sowed?
V-ing perfect
ought to I have been sowing? ought to you have been sowing? ought to she have been sowing? ought to we have been sowing? ought to you have been sowing? ought to they have been sowing?
Interro-negative form
Simple form
ought I not to sow? ought you not to sow? ought she not to sow? ought we not to sow? ought you not to sow? ought they not to sow?
V-ing form
ought I not to be sowing? ought you not to be sowing? ought she not to be sowing? ought we not to be sowing? ought you not to be sowing? ought they not to be sowing?
Perfect
ought I not to have sown, sowed? ought you not to have sown, sowed? ought she not to have sown, sowed? ought we not to have sown, sowed? ought you not to have sown, sowed? ought they not to have sown, sowed?
V-ing perfect
ought I not to have been sowing? ought you not to have been sowing? ought she not to have been sowing? ought we not to have been sowing? ought you not to have been sowing? ought they not to have been sowing?