English verb conjugation
OUGHT TO PRESTERILISE

Regular verb: presterilise - presterilised - presterilised

Affirmation

Simple form	V-ing form
I ought to presterilise you ought to presterilise she ought to presterilise we ought to presterilise you ought to presterilise they ought to presterilise	I ought to be presterilising you ought to be presterilising she ought to be presterilising we ought to be presterilising you ought to be presterilising they ought to be presterilising
Perfect	V-ing perfect
I ought to have presterilised you ought to have presterilised she ought to have presterilised we ought to have presterilised you ought to have presterilised they ought to have presterilised	I ought to have been presterilising you ought to have been presterilising she ought to have been presterilising we ought to have been presterilising you ought to have been presterilising they ought to have been presterilising

Negation

Simple form	V-ing form
I oughtn't to presterilise you oughtn't to presterilise she oughtn't to presterilise we oughtn't to presterilise you oughtn't to presterilise they oughtn't to presterilise	I oughtn't to be presterilising you oughtn't to be presterilising she oughtn't to be presterilising we oughtn't to be presterilising you oughtn't to be presterilising they oughtn't to be presterilising
Perfect	V-ing perfect
I oughtn't to have presterilised you oughtn't to have presterilised she oughtn't to have presterilised we oughtn't to have presterilised you oughtn't to have presterilised they oughtn't to have presterilised	I oughtn't to have been presterilising you oughtn't to have been presterilising she oughtn't to have been presterilising we oughtn't to have been presterilising you oughtn't to have been presterilising they oughtn't to have been presterilising

Interrogative form

Simple form	V-ing form
ought to I presterilise? ought to you presterilise? ought to she presterilise? ought to we presterilise? ought to you presterilise? ought to they presterilise?	ought to I be presterilising? ought to you be presterilising? ought to she be presterilising? ought to we be presterilising? ought to you be presterilising? ought to they be presterilising?
Perfect	V-ing perfect
ought to I have presterilised? ought to you have presterilised? ought to she have presterilised? ought to we have presterilised? ought to you have presterilised? ought to they have presterilised?	ought to I have been presterilising? ought to you have been presterilising? ought to she have been presterilising? ought to we have been presterilising? ought to you have been presterilising? ought to they have been presterilising?

Interro-negative form

Simple form	V-ing form
oughtn't I to presterilise? oughtn't you to presterilise? oughtn't she to presterilise? oughtn't we to presterilise? oughtn't you to presterilise? oughtn't they to presterilise?	oughtn't I to be presterilising? oughtn't you to be presterilising? oughtn't she to be presterilising? oughtn't we to be presterilising? oughtn't you to be presterilising? oughtn't they to be presterilising?
Perfect	V-ing perfect
oughtn't I to have presterilised? oughtn't you to have presterilised? oughtn't she to have presterilised? oughtn't we to have presterilised? oughtn't you to have presterilised? oughtn't they to have presterilised?	oughtn't I to have been presterilising? oughtn't you to have been presterilising? oughtn't she to have been presterilising? oughtn't we to have been presterilising? oughtn't you to have been presterilising? oughtn't they to have been presterilising?