English verb conjugation
SHOULD DISCOLOUR

Regular verb: discolour - discoloured - discoloured

Affirmation

Simple form	V-ing form
I'd discolour you'd discolour he'd discolour we'd discolour you'd discolour they'd discolour	I'd be discolouring you'd be discolouring he'd be discolouring we'd be discolouring you'd be discolouring they'd be discolouring
Perfect	V-ing perfect
I should've discoloured you should've discoloured he should've discoloured we should've discoloured you should've discoloured they should've discoloured	I should've been discolouring you should've been discolouring he should've been discolouring we should've been discolouring you should've been discolouring they should've been discolouring

Negation

Simple form	V-ing form
I shouldn't discolour you shouldn't discolour he shouldn't discolour we shouldn't discolour you shouldn't discolour they shouldn't discolour	I shouldn't be discolouring you shouldn't be discolouring he shouldn't be discolouring we shouldn't be discolouring you shouldn't be discolouring they shouldn't be discolouring
Perfect	V-ing perfect
I shouldn't have discoloured you shouldn't have discoloured he shouldn't have discoloured we shouldn't have discoloured you shouldn't have discoloured they shouldn't have discoloured	I shouldn't have been discolouring you shouldn't have been discolouring he shouldn't have been discolouring we shouldn't have been discolouring you shouldn't have been discolouring they shouldn't have been discolouring

Interrogative form

Simple form	V-ing form
should I discolour? should you discolour? should he discolour? should we discolour? should you discolour? should they discolour?	should I be discolouring? should you be discolouring? should he be discolouring? should we be discolouring? should you be discolouring? should they be discolouring?
Perfect	V-ing perfect
should I have discoloured? should you have discoloured? should he have discoloured? should we have discoloured? should you have discoloured? should they have discoloured?	should I have been discolouring? should you have been discolouring? should he have been discolouring? should we have been discolouring? should you have been discolouring? should they have been discolouring?

Interro-negative form

Simple form	V-ing form
shouldn't I discolour? shouldn't you discolour? shouldn't he discolour? shouldn't we discolour? shouldn't you discolour? shouldn't they discolour?	shouldn't I be discolouring? shouldn't you be discolouring? shouldn't he be discolouring? shouldn't we be discolouring? shouldn't you be discolouring? shouldn't they be discolouring?
Perfect	V-ing perfect
shouldn't I have discoloured? shouldn't you have discoloured? shouldn't he have discoloured? shouldn't we have discoloured? shouldn't you have discoloured? shouldn't they have discoloured?	shouldn't I have been discolouring? shouldn't you have been discolouring? shouldn't he have been discolouring? shouldn't we have been discolouring? shouldn't you have been discolouring? shouldn't they have been discolouring?