English verb conjugation
OUGHT TO VOUCH

Regular verb: vouch - vouched - vouched

Affirmation

Simple form	V-ing form
I ought to vouch you ought to vouch she ought to vouch we ought to vouch you ought to vouch they ought to vouch	I ought to be vouching you ought to be vouching she ought to be vouching we ought to be vouching you ought to be vouching they ought to be vouching
Perfect	V-ing perfect
I ought to have vouched you ought to have vouched she ought to have vouched we ought to have vouched you ought to have vouched they ought to have vouched	I ought to have been vouching you ought to have been vouching she ought to have been vouching we ought to have been vouching you ought to have been vouching they ought to have been vouching

Negation

Simple form	V-ing form
I ought not to vouch you ought not to vouch she ought not to vouch we ought not to vouch you ought not to vouch they ought not to vouch	I ought not to vouching you ought not to vouching she ought not to vouching we ought not to vouching you ought not to vouching they ought not to vouching
Perfect	V-ing perfect
I ought not to have vouched you ought not to have vouched she ought not to have vouched we ought not to have vouched you ought not to have vouched they ought not to have vouched	I ought not to have been vouching you ought not to have been vouching she ought not to have been vouching we ought not to have been vouching you ought not to have been vouching they ought not to have been vouching

Interrogative form

Simple form	V-ing form
ought to I vouch? ought to you vouch? ought to she vouch? ought to we vouch? ought to you vouch? ought to they vouch?	ought to I be vouching? ought to you be vouching? ought to she be vouching? ought to we be vouching? ought to you be vouching? ought to they be vouching?
Perfect	V-ing perfect
ought to I have vouched? ought to you have vouched? ought to she have vouched? ought to we have vouched? ought to you have vouched? ought to they have vouched?	ought to I have been vouching? ought to you have been vouching? ought to she have been vouching? ought to we have been vouching? ought to you have been vouching? ought to they have been vouching?

Interro-negative form

Simple form	V-ing form
ought I not to vouch? ought you not to vouch? ought she not to vouch? ought we not to vouch? ought you not to vouch? ought they not to vouch?	ought I not to be vouching? ought you not to be vouching? ought she not to be vouching? ought we not to be vouching? ought you not to be vouching? ought they not to be vouching?
Perfect	V-ing perfect
ought I not to have vouched? ought you not to have vouched? ought she not to have vouched? ought we not to have vouched? ought you not to have vouched? ought they not to have vouched?	ought I not to have been vouching? ought you not to have been vouching? ought she not to have been vouching? ought we not to have been vouching? ought you not to have been vouching? ought they not to have been vouching?