I may backdate you may backdate she may backdate we may backdate you may backdate they may backdate
Forme en V-ing
I may be backdating you may be backdating she may be backdating we may be backdating you may be backdating they may be backdating
Perfect
I may have backdated you may have backdated she may have backdated we may have backdated you may have backdated they may have backdated
Perfect en V-ing
I may have been backdating you may have been backdating she may have been backdating we may have been backdating you may have been backdating they may have been backdating
Négation
Forme simple
I may not backdate you may not backdate she may not backdate we may not backdate you may not backdate they may not backdate
Forme en V-ing
I may not be backdating you may not be backdating she may not be backdating we may not be backdating you may not be backdating they may not be backdating
Perfect
I may not have backdated you may not have backdated she may not have backdated we may not have backdated you may not have backdated they may not have backdated
Perfect en V-ing
I may not have been backdating you may not have been backdating she may not have been backdating we may not have been backdating you may not have been backdating they may not have been backdating
Forme interrogative
Forme simple
may I backdate? may you backdate? may she backdate? may we backdate? may you backdate? may they backdate?
Forme en V-ing
may I be backdating? may you be backdating? may she be backdating? may we be backdating? may you be backdating? may they be backdating?
Perfect
may I have backdated? may you have backdated? may she have backdated? may we have backdated? may you have backdated? may they have backdated?
Perfect en V-ing
may I have been backdating? may you have been backdating? may she have been backdating? may we have been backdating? may you have been backdating? may they have been backdating?
Forme interro-négative
Forme simple
may I not backdate? may you not backdate? may she not backdate? may we not backdate? may you not backdate? may they not backdate?
Forme en V-ing
may I not be backdating? may you not be backdating? may she not be backdating? may we not be backdating? may you not be backdating? may they not be backdating?
Perfect
may I not have backdated? may you not have backdated? may she not have backdated? may we not have backdated? may you not have backdated? may they not have backdated?
Perfect en V-ing
may I not have been backdating? may you not have been backdating? may she not have been backdating? may we not have been backdating? may you not have been backdating? may they not have been backdating?