English verb conjugation
SHOULD DECOLOURISE

Regular verb: decolourise - decolourised - decolourised

Affirmation

Simple form	V-ing form
I'd decolourise you'd decolourise he'd decolourise we'd decolourise you'd decolourise they'd decolourise	I'd be decolourising you'd be decolourising he'd be decolourising we'd be decolourising you'd be decolourising they'd be decolourising
Perfect	V-ing perfect
I should've decolourised you should've decolourised he should've decolourised we should've decolourised you should've decolourised they should've decolourised	I should've been decolourising you should've been decolourising he should've been decolourising we should've been decolourising you should've been decolourising they should've been decolourising

Negation

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

Interrogative form

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

Interro-negative form

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