English verb conjugation
OUGHT TO PREFERTILISE

Regular verb: prefertilise - prefertilised - prefertilised

Affirmation

Simple form	V-ing form
I ought to prefertilise you ought to prefertilise he ought to prefertilise we ought to prefertilise you ought to prefertilise they ought to prefertilise	I ought to be prefertilising you ought to be prefertilising he ought to be prefertilising we ought to be prefertilising you ought to be prefertilising they ought to be prefertilising
Perfect	V-ing perfect
I ought to have prefertilised you ought to have prefertilised he ought to have prefertilised we ought to have prefertilised you ought to have prefertilised they ought to have prefertilised	I ought to have been prefertilising you ought to have been prefertilising he ought to have been prefertilising we ought to have been prefertilising you ought to have been prefertilising they ought to have been prefertilising

Negation

Simple form	V-ing form
I ought not to prefertilise you ought not to prefertilise he ought not to prefertilise we ought not to prefertilise you ought not to prefertilise they ought not to prefertilise	I ought not to prefertilising you ought not to prefertilising he ought not to prefertilising we ought not to prefertilising you ought not to prefertilising they ought not to prefertilising
Perfect	V-ing perfect
I ought not to have prefertilised you ought not to have prefertilised he ought not to have prefertilised we ought not to have prefertilised you ought not to have prefertilised they ought not to have prefertilised	I ought not to have been prefertilising you ought not to have been prefertilising he ought not to have been prefertilising we ought not to have been prefertilising you ought not to have been prefertilising they ought not to have been prefertilising

Interrogative form

Simple form	V-ing form
ought to I prefertilise? ought to you prefertilise? ought to he prefertilise? ought to we prefertilise? ought to you prefertilise? ought to they prefertilise?	ought to I be prefertilising? ought to you be prefertilising? ought to he be prefertilising? ought to we be prefertilising? ought to you be prefertilising? ought to they be prefertilising?
Perfect	V-ing perfect
ought to I have prefertilised? ought to you have prefertilised? ought to he have prefertilised? ought to we have prefertilised? ought to you have prefertilised? ought to they have prefertilised?	ought to I have been prefertilising? ought to you have been prefertilising? ought to he have been prefertilising? ought to we have been prefertilising? ought to you have been prefertilising? ought to they have been prefertilising?

Interro-negative form

Simple form	V-ing form
ought I not to prefertilise? ought you not to prefertilise? ought he not to prefertilise? ought we not to prefertilise? ought you not to prefertilise? ought they not to prefertilise?	ought I not to be prefertilising? ought you not to be prefertilising? ought he not to be prefertilising? ought we not to be prefertilising? ought you not to be prefertilising? ought they not to be prefertilising?
Perfect	V-ing perfect
ought I not to have prefertilised? ought you not to have prefertilised? ought he not to have prefertilised? ought we not to have prefertilised? ought you not to have prefertilised? ought they not to have prefertilised?	ought I not to have been prefertilising? ought you not to have been prefertilising? ought he not to have been prefertilising? ought we not to have been prefertilising? ought you not to have been prefertilising? ought they not to have been prefertilising?