English verb conjugation
MAY DECOLOURISE

Regular verb: decolourise - decolourised - decolourised

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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