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