I may invoice you may invoice she may invoice we may invoice you may invoice they may invoice
Forme en V-ing
I may be invoicing you may be invoicing she may be invoicing we may be invoicing you may be invoicing they may be invoicing
Perfect
I may have invoiced you may have invoiced she may have invoiced we may have invoiced you may have invoiced they may have invoiced
Perfect en V-ing
I may have been invoicing you may have been invoicing she may have been invoicing we may have been invoicing you may have been invoicing they may have been invoicing
Négation
Forme simple
I mayn't invoice you mayn't invoice she mayn't invoice we mayn't invoice you mayn't invoice they mayn't invoice
Forme en V-ing
I mayn't be invoicing you mayn't be invoicing she mayn't be invoicing we mayn't be invoicing you mayn't be invoicing they mayn't be invoicing
Perfect
I mayn't have invoiced you mayn't have invoiced she mayn't have invoiced we mayn't have invoiced you mayn't have invoiced they mayn't have invoiced
Perfect en V-ing
I mayn't have been invoicing you mayn't have been invoicing she mayn't have been invoicing we mayn't have been invoicing you mayn't have been invoicing they mayn't have been invoicing
Forme interrogative
Forme simple
may I invoice? may you invoice? may she invoice? may we invoice? may you invoice? may they invoice?
Forme en V-ing
may I be invoicing? may you be invoicing? may she be invoicing? may we be invoicing? may you be invoicing? may they be invoicing?
Perfect
may I have invoiced? may you have invoiced? may she have invoiced? may we have invoiced? may you have invoiced? may they have invoiced?
Perfect en V-ing
may I have been invoicing? may you have been invoicing? may she have been invoicing? may we have been invoicing? may you have been invoicing? may they have been invoicing?
Forme interro-négative
Forme simple
mayn't I invoice? mayn't you invoice? mayn't she invoice? mayn't we invoice? mayn't you invoice? mayn't they invoice?
Forme en V-ing
mayn't I be invoicing? mayn't you be invoicing? mayn't she be invoicing? mayn't we be invoicing? mayn't you be invoicing? mayn't they be invoicing?
Perfect
mayn't I have invoiced? mayn't you have invoiced? mayn't she have invoiced? mayn't we have invoiced? mayn't you have invoiced? mayn't they have invoiced?
Perfect en V-ing
mayn't I have been invoicing? mayn't you have been invoicing? mayn't she have been invoicing? mayn't we have been invoicing? mayn't you have been invoicing? mayn't they have been invoicing?