English verb conjugation
OUGHT TO DECOLOURISE

Regular verb: decolourise - decolourised - decolourised

Affirmation

Simple form	V-ing form
I ought to decolourise you ought to decolourise he ought to decolourise we ought to decolourise you ought to decolourise they ought to decolourise	I ought to be decolourising you ought to be decolourising he ought to be decolourising we ought to be decolourising you ought to be decolourising they ought to be decolourising
Perfect	V-ing perfect
I ought to have decolourised you ought to have decolourised he ought to have decolourised we ought to have decolourised you ought to have decolourised they ought to have decolourised	I ought to have been decolourising you ought to have been decolourising he ought to have been decolourising we ought to have been decolourising you ought to have been decolourising they ought to have been decolourising

Negation

Simple form	V-ing form
I oughtn't to decolourise you oughtn't to decolourise he oughtn't to decolourise we oughtn't to decolourise you oughtn't to decolourise they oughtn't to decolourise	I oughtn't to be decolourising you oughtn't to be decolourising he oughtn't to be decolourising we oughtn't to be decolourising you oughtn't to be decolourising they oughtn't to be decolourising
Perfect	V-ing perfect
I oughtn't to have decolourised you oughtn't to have decolourised he oughtn't to have decolourised we oughtn't to have decolourised you oughtn't to have decolourised they oughtn't to have decolourised	I oughtn't to have been decolourising you oughtn't to have been decolourising he oughtn't to have been decolourising we oughtn't to have been decolourising you oughtn't to have been decolourising they oughtn't to have been decolourising

Interrogative form

Simple form	V-ing form
ought to I decolourise? ought to you decolourise? ought to he decolourise? ought to we decolourise? ought to you decolourise? ought to they decolourise?	ought to I be decolourising? ought to you be decolourising? ought to he be decolourising? ought to we be decolourising? ought to you be decolourising? ought to they be decolourising?
Perfect	V-ing perfect
ought to I have decolourised? ought to you have decolourised? ought to he have decolourised? ought to we have decolourised? ought to you have decolourised? ought to they have decolourised?	ought to I have been decolourising? ought to you have been decolourising? ought to he have been decolourising? ought to we have been decolourising? ought to you have been decolourising? ought to they have been decolourising?

Interro-negative form

Simple form	V-ing form
oughtn't I to decolourise? oughtn't you to decolourise? oughtn't he to decolourise? oughtn't we to decolourise? oughtn't you to decolourise? oughtn't they to decolourise?	oughtn't I to be decolourising? oughtn't you to be decolourising? oughtn't he to be decolourising? oughtn't we to be decolourising? oughtn't you to be decolourising? oughtn't they to be decolourising?
Perfect	V-ing perfect
oughtn't I to have decolourised? oughtn't you to have decolourised? oughtn't he to have decolourised? oughtn't we to have decolourised? oughtn't you to have decolourised? oughtn't they to have decolourised?	oughtn't I to have been decolourising? oughtn't you to have been decolourising? oughtn't he to have been decolourising? oughtn't we to have been decolourising? oughtn't you to have been decolourising? oughtn't they to have been decolourising?