I may harmonise you may harmonise he may harmonise we may harmonise you may harmonise they may harmonise
V-ing form
I may be harmonising you may be harmonising he may be harmonising we may be harmonising you may be harmonising they may be harmonising
Perfect
I may have harmonised you may have harmonised he may have harmonised we may have harmonised you may have harmonised they may have harmonised
V-ing perfect
I may have been harmonising you may have been harmonising he may have been harmonising we may have been harmonising you may have been harmonising they may have been harmonising
Negation
Simple form
I mayn't harmonise you mayn't harmonise he mayn't harmonise we mayn't harmonise you mayn't harmonise they mayn't harmonise
V-ing form
I mayn't be harmonising you mayn't be harmonising he mayn't be harmonising we mayn't be harmonising you mayn't be harmonising they mayn't be harmonising
Perfect
I mayn't have harmonised you mayn't have harmonised he mayn't have harmonised we mayn't have harmonised you mayn't have harmonised they mayn't have harmonised
V-ing perfect
I mayn't have been harmonising you mayn't have been harmonising he mayn't have been harmonising we mayn't have been harmonising you mayn't have been harmonising they mayn't have been harmonising
Interrogative form
Simple form
may I harmonise? may you harmonise? may he harmonise? may we harmonise? may you harmonise? may they harmonise?
V-ing form
may I be harmonising? may you be harmonising? may he be harmonising? may we be harmonising? may you be harmonising? may they be harmonising?
Perfect
may I have harmonised? may you have harmonised? may he have harmonised? may we have harmonised? may you have harmonised? may they have harmonised?
V-ing perfect
may I have been harmonising? may you have been harmonising? may he have been harmonising? may we have been harmonising? may you have been harmonising? may they have been harmonising?
Interro-negative form
Simple form
mayn't I harmonise? mayn't you harmonise? mayn't he harmonise? mayn't we harmonise? mayn't you harmonise? mayn't they harmonise?
V-ing form
mayn't I be harmonising? mayn't you be harmonising? mayn't he be harmonising? mayn't we be harmonising? mayn't you be harmonising? mayn't they be harmonising?
Perfect
mayn't I have harmonised? mayn't you have harmonised? mayn't he have harmonised? mayn't we have harmonised? mayn't you have harmonised? mayn't they have harmonised?
V-ing perfect
mayn't I have been harmonising? mayn't you have been harmonising? mayn't he have been harmonising? mayn't we have been harmonising? mayn't you have been harmonising? mayn't they have been harmonising?