English verb conjugation
OUGHT TO THRESH

Regular verb: thresh - threshed - threshed

Affirmation

Simple form	V-ing form
I ought to thresh you ought to thresh he ought to thresh we ought to thresh you ought to thresh they ought to thresh	I ought to be threshing you ought to be threshing he ought to be threshing we ought to be threshing you ought to be threshing they ought to be threshing
Perfect	V-ing perfect
I ought to have threshed you ought to have threshed he ought to have threshed we ought to have threshed you ought to have threshed they ought to have threshed	I ought to have been threshing you ought to have been threshing he ought to have been threshing we ought to have been threshing you ought to have been threshing they ought to have been threshing

Negation

Simple form	V-ing form
I ought not to thresh you ought not to thresh he ought not to thresh we ought not to thresh you ought not to thresh they ought not to thresh	I ought not to threshing you ought not to threshing he ought not to threshing we ought not to threshing you ought not to threshing they ought not to threshing
Perfect	V-ing perfect
I ought not to have threshed you ought not to have threshed he ought not to have threshed we ought not to have threshed you ought not to have threshed they ought not to have threshed	I ought not to have been threshing you ought not to have been threshing he ought not to have been threshing we ought not to have been threshing you ought not to have been threshing they ought not to have been threshing

Interrogative form

Simple form	V-ing form
ought to I thresh? ought to you thresh? ought to he thresh? ought to we thresh? ought to you thresh? ought to they thresh?	ought to I be threshing? ought to you be threshing? ought to he be threshing? ought to we be threshing? ought to you be threshing? ought to they be threshing?
Perfect	V-ing perfect
ought to I have threshed? ought to you have threshed? ought to he have threshed? ought to we have threshed? ought to you have threshed? ought to they have threshed?	ought to I have been threshing? ought to you have been threshing? ought to he have been threshing? ought to we have been threshing? ought to you have been threshing? ought to they have been threshing?

Interro-negative form

Simple form	V-ing form
ought I not to thresh? ought you not to thresh? ought he not to thresh? ought we not to thresh? ought you not to thresh? ought they not to thresh?	ought I not to be threshing? ought you not to be threshing? ought he not to be threshing? ought we not to be threshing? ought you not to be threshing? ought they not to be threshing?
Perfect	V-ing perfect
ought I not to have threshed? ought you not to have threshed? ought he not to have threshed? ought we not to have threshed? ought you not to have threshed? ought they not to have threshed?	ought I not to have been threshing? ought you not to have been threshing? ought he not to have been threshing? ought we not to have been threshing? ought you not to have been threshing? ought they not to have been threshing?