Regular verb: backdate - backdated - backdated
Simple form | V-ing form |
I may backdate you may backdate he may backdate we may backdate you may backdate they may backdate | I may be backdating you may be backdating he may be backdating we may be backdating you may be backdating they may be backdating |
Perfect | V-ing perfect |
I may have backdated you may have backdated he may have backdated we may have backdated you may have backdated they may have backdated | 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 |
Simple form | V-ing form |
I mayn't backdate you mayn't backdate he mayn't backdate we mayn't backdate you mayn't backdate they mayn't backdate | 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 |
Perfect | V-ing perfect |
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 | 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 |
Simple form | V-ing form |
may I backdate? may you backdate? may he backdate? may we backdate? may you backdate? may they backdate? | may I be backdating? may you be backdating? may he be backdating? may we be backdating? may you be backdating? may they be backdating? |
Perfect | V-ing perfect |
may I have backdated? may you have backdated? may he have backdated? may we have backdated? may you have backdated? may they have backdated? | 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? |
Simple form | V-ing form |
mayn't I backdate? mayn't you backdate? mayn't he backdate? mayn't we backdate? mayn't you backdate? mayn't they backdate? | 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? |
Perfect | V-ing perfect |
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? | 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? |