I'd be cross-reacting you'd be cross-reacting he'd be cross-reacting we'd be cross-reacting you'd be cross-reacting they'd be cross-reacting
Perfect
I should've cross-reacted you should've cross-reacted he should've cross-reacted we should've cross-reacted you should've cross-reacted they should've cross-reacted
V-ing perfect
I should've been cross-reacting you should've been cross-reacting he should've been cross-reacting we should've been cross-reacting you should've been cross-reacting they should've been cross-reacting
Negation
Simple form
I shouldn't cross-react you shouldn't cross-react he shouldn't cross-react we shouldn't cross-react you shouldn't cross-react they shouldn't cross-react
V-ing form
I shouldn't be cross-reacting you shouldn't be cross-reacting he shouldn't be cross-reacting we shouldn't be cross-reacting you shouldn't be cross-reacting they shouldn't be cross-reacting
Perfect
I shouldn't have cross-reacted you shouldn't have cross-reacted he shouldn't have cross-reacted we shouldn't have cross-reacted you shouldn't have cross-reacted they shouldn't have cross-reacted
V-ing perfect
I shouldn't have been cross-reacting you shouldn't have been cross-reacting he shouldn't have been cross-reacting we shouldn't have been cross-reacting you shouldn't have been cross-reacting they shouldn't have been cross-reacting
Interrogative form
Simple form
should I cross-react? should you cross-react? should he cross-react? should we cross-react? should you cross-react? should they cross-react?
V-ing form
should I be cross-reacting? should you be cross-reacting? should he be cross-reacting? should we be cross-reacting? should you be cross-reacting? should they be cross-reacting?
Perfect
should I have cross-reacted? should you have cross-reacted? should he have cross-reacted? should we have cross-reacted? should you have cross-reacted? should they have cross-reacted?
V-ing perfect
should I have been cross-reacting? should you have been cross-reacting? should he have been cross-reacting? should we have been cross-reacting? should you have been cross-reacting? should they have been cross-reacting?
Interro-negative form
Simple form
shouldn't I cross-react? shouldn't you cross-react? shouldn't he cross-react? shouldn't we cross-react? shouldn't you cross-react? shouldn't they cross-react?
V-ing form
shouldn't I be cross-reacting? shouldn't you be cross-reacting? shouldn't he be cross-reacting? shouldn't we be cross-reacting? shouldn't you be cross-reacting? shouldn't they be cross-reacting?
Perfect
shouldn't I have cross-reacted? shouldn't you have cross-reacted? shouldn't he have cross-reacted? shouldn't we have cross-reacted? shouldn't you have cross-reacted? shouldn't they have cross-reacted?
V-ing perfect
shouldn't I have been cross-reacting? shouldn't you have been cross-reacting? shouldn't he have been cross-reacting? shouldn't we have been cross-reacting? shouldn't you have been cross-reacting? shouldn't they have been cross-reacting?