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