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