I may counteract you may counteract he may counteract we may counteract you may counteract they may counteract
V-ing form
I may be counteracting you may be counteracting he may be counteracting we may be counteracting you may be counteracting they may be counteracting
Perfect
I may have counteracted you may have counteracted he may have counteracted we may have counteracted you may have counteracted they may have counteracted
V-ing perfect
I may have been counteracting you may have been counteracting he may have been counteracting we may have been counteracting you may have been counteracting they may have been counteracting
Negation
Simple form
I mayn't counteract you mayn't counteract he mayn't counteract we mayn't counteract you mayn't counteract they mayn't counteract
V-ing form
I mayn't be counteracting you mayn't be counteracting he mayn't be counteracting we mayn't be counteracting you mayn't be counteracting they mayn't be counteracting
Perfect
I mayn't have counteracted you mayn't have counteracted he mayn't have counteracted we mayn't have counteracted you mayn't have counteracted they mayn't have counteracted
V-ing perfect
I mayn't have been counteracting you mayn't have been counteracting he mayn't have been counteracting we mayn't have been counteracting you mayn't have been counteracting they mayn't have been counteracting
Interrogative form
Simple form
may I counteract? may you counteract? may he counteract? may we counteract? may you counteract? may they counteract?
V-ing form
may I be counteracting? may you be counteracting? may he be counteracting? may we be counteracting? may you be counteracting? may they be counteracting?
Perfect
may I have counteracted? may you have counteracted? may he have counteracted? may we have counteracted? may you have counteracted? may they have counteracted?
V-ing perfect
may I have been counteracting? may you have been counteracting? may he have been counteracting? may we have been counteracting? may you have been counteracting? may they have been counteracting?
Interro-negative form
Simple form
mayn't I counteract? mayn't you counteract? mayn't he counteract? mayn't we counteract? mayn't you counteract? mayn't they counteract?
V-ing form
mayn't I be counteracting? mayn't you be counteracting? mayn't he be counteracting? mayn't we be counteracting? mayn't you be counteracting? mayn't they be counteracting?
Perfect
mayn't I have counteracted? mayn't you have counteracted? mayn't he have counteracted? mayn't we have counteracted? mayn't you have counteracted? mayn't they have counteracted?
V-ing perfect
mayn't I have been counteracting? mayn't you have been counteracting? mayn't he have been counteracting? mayn't we have been counteracting? mayn't you have been counteracting? mayn't they have been counteracting?