I may backdate you may backdate she may backdate we may backdate you may backdate they may backdate
Forma com 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
Perfeito
I may have backdated you may have backdated she may have backdated we may have backdated you may have backdated they may have backdated
Perfeito com 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
Negação
Forma simple
I mayn't backdate you mayn't backdate she mayn't backdate we mayn't backdate you mayn't backdate they mayn't backdate
Forma com V-ing
I mayn't be backdating you mayn't be backdating she mayn't be backdating we mayn't be backdating you mayn't be backdating they mayn't be backdating
Perfeito
I mayn't have backdated you mayn't have backdated she mayn't have backdated we mayn't have backdated you mayn't have backdated they mayn't have backdated
Perfeito com V-ing
I mayn't have been backdating you mayn't have been backdating she mayn't have been backdating we mayn't have been backdating you mayn't have been backdating they mayn't have been backdating
Forma interrogativa
Forma simple
may I backdate? may you backdate? may she backdate? may we backdate? may you backdate? may they backdate?
Forma com 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?
Perfeito
may I have backdated? may you have backdated? may she have backdated? may we have backdated? may you have backdated? may they have backdated?
Perfeito com 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?
Forma interro-Negação
Forma simple
mayn't I backdate? mayn't you backdate? mayn't she backdate? mayn't we backdate? mayn't you backdate? mayn't they backdate?
Forma com V-ing
mayn't I be backdating? mayn't you be backdating? mayn't she be backdating? mayn't we be backdating? mayn't you be backdating? mayn't they be backdating?
Perfeito
mayn't I have backdated? mayn't you have backdated? mayn't she have backdated? mayn't we have backdated? mayn't you have backdated? mayn't they have backdated?
Perfeito com V-ing
mayn't I have been backdating? mayn't you have been backdating? mayn't she have been backdating? mayn't we have been backdating? mayn't you have been backdating? mayn't they have been backdating?