I may backdate you may backdate he may backdate we may backdate you may backdate they may backdate
Forma com V-ing
I may be backdating you may be backdating he may be backdating we may be backdating you may be backdating they may be backdating
Perfeito
I may have backdated you may have backdated he 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 he 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 he 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 he 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 he 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 he 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 he backdate? may we backdate? may you backdate? may they backdate?
Forma com V-ing
may I be backdating? may you be backdating? may he be backdating? may we be backdating? may you be backdating? may they be backdating?
Perfeito
may I have backdated? may you have backdated? may he 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 he 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 he 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 he 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 he 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 he have been backdating? mayn't we have been backdating? mayn't you have been backdating? mayn't they have been backdating?