Regular verb: backfill - backfilled - backfilled
Simple form | V-ing form |
I may backfill you may backfill she may backfill we may backfill you may backfill they may backfill | I may be backfilling you may be backfilling she may be backfilling we may be backfilling you may be backfilling they may be backfilling |
Perfect | V-ing perfect |
I may have backfilled you may have backfilled she may have backfilled we may have backfilled you may have backfilled they may have backfilled | I may have been backfilling you may have been backfilling she may have been backfilling we may have been backfilling you may have been backfilling they may have been backfilling |
Simple form | V-ing form |
I mayn't backfill you mayn't backfill she mayn't backfill we mayn't backfill you mayn't backfill they mayn't backfill | I mayn't be backfilling you mayn't be backfilling she mayn't be backfilling we mayn't be backfilling you mayn't be backfilling they mayn't be backfilling |
Perfect | V-ing perfect |
I mayn't have backfilled you mayn't have backfilled she mayn't have backfilled we mayn't have backfilled you mayn't have backfilled they mayn't have backfilled | I mayn't have been backfilling you mayn't have been backfilling she mayn't have been backfilling we mayn't have been backfilling you mayn't have been backfilling they mayn't have been backfilling |
Simple form | V-ing form |
may I backfill? may you backfill? may she backfill? may we backfill? may you backfill? may they backfill? | may I be backfilling? may you be backfilling? may she be backfilling? may we be backfilling? may you be backfilling? may they be backfilling? |
Perfect | V-ing perfect |
may I have backfilled? may you have backfilled? may she have backfilled? may we have backfilled? may you have backfilled? may they have backfilled? | may I have been backfilling? may you have been backfilling? may she have been backfilling? may we have been backfilling? may you have been backfilling? may they have been backfilling? |
Simple form | V-ing form |
mayn't I backfill? mayn't you backfill? mayn't she backfill? mayn't we backfill? mayn't you backfill? mayn't they backfill? | mayn't I be backfilling? mayn't you be backfilling? mayn't she be backfilling? mayn't we be backfilling? mayn't you be backfilling? mayn't they be backfilling? |
Perfect | V-ing perfect |
mayn't I have backfilled? mayn't you have backfilled? mayn't she have backfilled? mayn't we have backfilled? mayn't you have backfilled? mayn't they have backfilled? | mayn't I have been backfilling? mayn't you have been backfilling? mayn't she have been backfilling? mayn't we have been backfilling? mayn't you have been backfilling? mayn't they have been backfilling? |