I may scheme you may scheme she may scheme we may scheme you may scheme they may scheme
V-ing form
I may be scheming you may be scheming she may be scheming we may be scheming you may be scheming they may be scheming
Perfect
I may have schemed you may have schemed she may have schemed we may have schemed you may have schemed they may have schemed
V-ing perfect
I may have been scheming you may have been scheming she may have been scheming we may have been scheming you may have been scheming they may have been scheming
Negation
Simple form
I mayn't scheme you mayn't scheme she mayn't scheme we mayn't scheme you mayn't scheme they mayn't scheme
V-ing form
I mayn't be scheming you mayn't be scheming she mayn't be scheming we mayn't be scheming you mayn't be scheming they mayn't be scheming
Perfect
I mayn't have schemed you mayn't have schemed she mayn't have schemed we mayn't have schemed you mayn't have schemed they mayn't have schemed
V-ing perfect
I mayn't have been scheming you mayn't have been scheming she mayn't have been scheming we mayn't have been scheming you mayn't have been scheming they mayn't have been scheming
Interrogative form
Simple form
may I scheme? may you scheme? may she scheme? may we scheme? may you scheme? may they scheme?
V-ing form
may I be scheming? may you be scheming? may she be scheming? may we be scheming? may you be scheming? may they be scheming?
Perfect
may I have schemed? may you have schemed? may she have schemed? may we have schemed? may you have schemed? may they have schemed?
V-ing perfect
may I have been scheming? may you have been scheming? may she have been scheming? may we have been scheming? may you have been scheming? may they have been scheming?
Interro-negative form
Simple form
mayn't I scheme? mayn't you scheme? mayn't she scheme? mayn't we scheme? mayn't you scheme? mayn't they scheme?
V-ing form
mayn't I be scheming? mayn't you be scheming? mayn't she be scheming? mayn't we be scheming? mayn't you be scheming? mayn't they be scheming?
Perfect
mayn't I have schemed? mayn't you have schemed? mayn't she have schemed? mayn't we have schemed? mayn't you have schemed? mayn't they have schemed?
V-ing perfect
mayn't I have been scheming? mayn't you have been scheming? mayn't she have been scheming? mayn't we have been scheming? mayn't you have been scheming? mayn't they have been scheming?