Regular verb: shift - shifted - shifted
Simple form | V-ing form |
I may shift you may shift he may shift we may shift you may shift they may shift | I may be shifting you may be shifting he may be shifting we may be shifting you may be shifting they may be shifting |
Perfect | V-ing perfect |
I may have shifted you may have shifted he may have shifted we may have shifted you may have shifted they may have shifted | I may have been shifting you may have been shifting he may have been shifting we may have been shifting you may have been shifting they may have been shifting |
Simple form | V-ing form |
I mayn't shift you mayn't shift he mayn't shift we mayn't shift you mayn't shift they mayn't shift | I mayn't be shifting you mayn't be shifting he mayn't be shifting we mayn't be shifting you mayn't be shifting they mayn't be shifting |
Perfect | V-ing perfect |
I mayn't have shifted you mayn't have shifted he mayn't have shifted we mayn't have shifted you mayn't have shifted they mayn't have shifted | I mayn't have been shifting you mayn't have been shifting he mayn't have been shifting we mayn't have been shifting you mayn't have been shifting they mayn't have been shifting |
Simple form | V-ing form |
may I shift? may you shift? may he shift? may we shift? may you shift? may they shift? | may I be shifting? may you be shifting? may he be shifting? may we be shifting? may you be shifting? may they be shifting? |
Perfect | V-ing perfect |
may I have shifted? may you have shifted? may he have shifted? may we have shifted? may you have shifted? may they have shifted? | may I have been shifting? may you have been shifting? may he have been shifting? may we have been shifting? may you have been shifting? may they have been shifting? |
Simple form | V-ing form |
mayn't I shift? mayn't you shift? mayn't he shift? mayn't we shift? mayn't you shift? mayn't they shift? | mayn't I be shifting? mayn't you be shifting? mayn't he be shifting? mayn't we be shifting? mayn't you be shifting? mayn't they be shifting? |
Perfect | V-ing perfect |
mayn't I have shifted? mayn't you have shifted? mayn't he have shifted? mayn't we have shifted? mayn't you have shifted? mayn't they have shifted? | mayn't I have been shifting? mayn't you have been shifting? mayn't he have been shifting? mayn't we have been shifting? mayn't you have been shifting? mayn't they have been shifting? |