Regular verb: button - buttoned - buttoned
Simple form | V-ing form |
I may button you may button she may button we may button you may button they may button | I may be buttoning you may be buttoning she may be buttoning we may be buttoning you may be buttoning they may be buttoning |
Perfect | V-ing perfect |
I may have buttoned you may have buttoned she may have buttoned we may have buttoned you may have buttoned they may have buttoned | I may have been buttoning you may have been buttoning she may have been buttoning we may have been buttoning you may have been buttoning they may have been buttoning |
Simple form | V-ing form |
I may not button you may not button she may not button we may not button you may not button they may not button | I may not be buttoning you may not be buttoning she may not be buttoning we may not be buttoning you may not be buttoning they may not be buttoning |
Perfect | V-ing perfect |
I may not have buttoned you may not have buttoned she may not have buttoned we may not have buttoned you may not have buttoned they may not have buttoned | I may not have been buttoning you may not have been buttoning she may not have been buttoning we may not have been buttoning you may not have been buttoning they may not have been buttoning |
Simple form | V-ing form |
may I button? may you button? may she button? may we button? may you button? may they button? | may I be buttoning? may you be buttoning? may she be buttoning? may we be buttoning? may you be buttoning? may they be buttoning? |
Perfect | V-ing perfect |
may I have buttoned? may you have buttoned? may she have buttoned? may we have buttoned? may you have buttoned? may they have buttoned? | may I have been buttoning? may you have been buttoning? may she have been buttoning? may we have been buttoning? may you have been buttoning? may they have been buttoning? |
Simple form | V-ing form |
may I not button? may you not button? may she not button? may we not button? may you not button? may they not button? | may I not be buttoning? may you not be buttoning? may she not be buttoning? may we not be buttoning? may you not be buttoning? may they not be buttoning? |
Perfect | V-ing perfect |
may I not have buttoned? may you not have buttoned? may she not have buttoned? may we not have buttoned? may you not have buttoned? may they not have buttoned? | may I not have been buttoning? may you not have been buttoning? may she not have been buttoning? may we not have been buttoning? may you not have been buttoning? may they not have been buttoning? |