English verb conjugation
OUGHT TO UNTIE

Regular verb: untie - untied - untied

Affirmation

Simple form	V-ing form
I ought to untie you ought to untie she ought to untie we ought to untie you ought to untie they ought to untie	I ought to be untying you ought to be untying she ought to be untying we ought to be untying you ought to be untying they ought to be untying
Perfect	V-ing perfect
I ought to have untied you ought to have untied she ought to have untied we ought to have untied you ought to have untied they ought to have untied	I ought to have been untying you ought to have been untying she ought to have been untying we ought to have been untying you ought to have been untying they ought to have been untying

Negation

Simple form	V-ing form
I ought not to untie you ought not to untie she ought not to untie we ought not to untie you ought not to untie they ought not to untie	I ought not to untying you ought not to untying she ought not to untying we ought not to untying you ought not to untying they ought not to untying
Perfect	V-ing perfect
I ought not to have untied you ought not to have untied she ought not to have untied we ought not to have untied you ought not to have untied they ought not to have untied	I ought not to have been untying you ought not to have been untying she ought not to have been untying we ought not to have been untying you ought not to have been untying they ought not to have been untying

Interrogative form

Simple form	V-ing form
ought to I untie? ought to you untie? ought to she untie? ought to we untie? ought to you untie? ought to they untie?	ought to I be untying? ought to you be untying? ought to she be untying? ought to we be untying? ought to you be untying? ought to they be untying?
Perfect	V-ing perfect
ought to I have untied? ought to you have untied? ought to she have untied? ought to we have untied? ought to you have untied? ought to they have untied?	ought to I have been untying? ought to you have been untying? ought to she have been untying? ought to we have been untying? ought to you have been untying? ought to they have been untying?

Interro-negative form

Simple form	V-ing form
ought I not to untie? ought you not to untie? ought she not to untie? ought we not to untie? ought you not to untie? ought they not to untie?	ought I not to be untying? ought you not to be untying? ought she not to be untying? ought we not to be untying? ought you not to be untying? ought they not to be untying?
Perfect	V-ing perfect
ought I not to have untied? ought you not to have untied? ought she not to have untied? ought we not to have untied? ought you not to have untied? ought they not to have untied?	ought I not to have been untying? ought you not to have been untying? ought she not to have been untying? ought we not to have been untying? ought you not to have been untying? ought they not to have been untying?