English verb conjugation
MAY DISCOLOUR

Regular verb: discolour - discoloured - discoloured

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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