English verb conjugation
OUGHT TO SULFURISE

Regular verb: sulfurise - sulfurised - sulfurised

Affirmation

Simple form	V-ing form
I ought to sulfurise you ought to sulfurise he ought to sulfurise we ought to sulfurise you ought to sulfurise they ought to sulfurise	I ought to be sulfurising you ought to be sulfurising he ought to be sulfurising we ought to be sulfurising you ought to be sulfurising they ought to be sulfurising
Perfect	V-ing perfect
I ought to have sulfurised you ought to have sulfurised he ought to have sulfurised we ought to have sulfurised you ought to have sulfurised they ought to have sulfurised	I ought to have been sulfurising you ought to have been sulfurising he ought to have been sulfurising we ought to have been sulfurising you ought to have been sulfurising they ought to have been sulfurising

Negation

Simple form	V-ing form
I oughtn't to sulfurise you oughtn't to sulfurise he oughtn't to sulfurise we oughtn't to sulfurise you oughtn't to sulfurise they oughtn't to sulfurise	I oughtn't to be sulfurising you oughtn't to be sulfurising he oughtn't to be sulfurising we oughtn't to be sulfurising you oughtn't to be sulfurising they oughtn't to be sulfurising
Perfect	V-ing perfect
I oughtn't to have sulfurised you oughtn't to have sulfurised he oughtn't to have sulfurised we oughtn't to have sulfurised you oughtn't to have sulfurised they oughtn't to have sulfurised	I oughtn't to have been sulfurising you oughtn't to have been sulfurising he oughtn't to have been sulfurising we oughtn't to have been sulfurising you oughtn't to have been sulfurising they oughtn't to have been sulfurising

Interrogative form

Simple form	V-ing form
ought to I sulfurise? ought to you sulfurise? ought to he sulfurise? ought to we sulfurise? ought to you sulfurise? ought to they sulfurise?	ought to I be sulfurising? ought to you be sulfurising? ought to he be sulfurising? ought to we be sulfurising? ought to you be sulfurising? ought to they be sulfurising?
Perfect	V-ing perfect
ought to I have sulfurised? ought to you have sulfurised? ought to he have sulfurised? ought to we have sulfurised? ought to you have sulfurised? ought to they have sulfurised?	ought to I have been sulfurising? ought to you have been sulfurising? ought to he have been sulfurising? ought to we have been sulfurising? ought to you have been sulfurising? ought to they have been sulfurising?

Interro-negative form

Simple form	V-ing form
oughtn't I to sulfurise? oughtn't you to sulfurise? oughtn't he to sulfurise? oughtn't we to sulfurise? oughtn't you to sulfurise? oughtn't they to sulfurise?	oughtn't I to be sulfurising? oughtn't you to be sulfurising? oughtn't he to be sulfurising? oughtn't we to be sulfurising? oughtn't you to be sulfurising? oughtn't they to be sulfurising?
Perfect	V-ing perfect
oughtn't I to have sulfurised? oughtn't you to have sulfurised? oughtn't he to have sulfurised? oughtn't we to have sulfurised? oughtn't you to have sulfurised? oughtn't they to have sulfurised?	oughtn't I to have been sulfurising? oughtn't you to have been sulfurising? oughtn't he to have been sulfurising? oughtn't we to have been sulfurising? oughtn't you to have been sulfurising? oughtn't they to have been sulfurising?