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