I ought to cross-react you ought to cross-react she ought to cross-react we ought to cross-react you ought to cross-react they ought to cross-react
V-ing form
I ought to be cross-reacting you ought to be cross-reacting she ought to be cross-reacting we ought to be cross-reacting you ought to be cross-reacting they ought to be cross-reacting
Perfect
I ought to have cross-reacted you ought to have cross-reacted she ought to have cross-reacted we ought to have cross-reacted you ought to have cross-reacted they ought to have cross-reacted
V-ing perfect
I ought to have been cross-reacting you ought to have been cross-reacting she ought to have been cross-reacting we ought to have been cross-reacting you ought to have been cross-reacting they ought to have been cross-reacting
Negation
Simple form
I oughtn't to cross-react you oughtn't to cross-react she oughtn't to cross-react we oughtn't to cross-react you oughtn't to cross-react they oughtn't to cross-react
V-ing form
I oughtn't to be cross-reacting you oughtn't to be cross-reacting she oughtn't to be cross-reacting we oughtn't to be cross-reacting you oughtn't to be cross-reacting they oughtn't to be cross-reacting
Perfect
I oughtn't to have cross-reacted you oughtn't to have cross-reacted she oughtn't to have cross-reacted we oughtn't to have cross-reacted you oughtn't to have cross-reacted they oughtn't to have cross-reacted
V-ing perfect
I oughtn't to have been cross-reacting you oughtn't to have been cross-reacting she oughtn't to have been cross-reacting we oughtn't to have been cross-reacting you oughtn't to have been cross-reacting they oughtn't to have been cross-reacting
Interrogative form
Simple form
ought to I cross-react? ought to you cross-react? ought to she cross-react? ought to we cross-react? ought to you cross-react? ought to they cross-react?
V-ing form
ought to I be cross-reacting? ought to you be cross-reacting? ought to she be cross-reacting? ought to we be cross-reacting? ought to you be cross-reacting? ought to they be cross-reacting?
Perfect
ought to I have cross-reacted? ought to you have cross-reacted? ought to she have cross-reacted? ought to we have cross-reacted? ought to you have cross-reacted? ought to they have cross-reacted?
V-ing perfect
ought to I have been cross-reacting? ought to you have been cross-reacting? ought to she have been cross-reacting? ought to we have been cross-reacting? ought to you have been cross-reacting? ought to they have been cross-reacting?
Interro-negative form
Simple form
oughtn't I to cross-react? oughtn't you to cross-react? oughtn't she to cross-react? oughtn't we to cross-react? oughtn't you to cross-react? oughtn't they to cross-react?
V-ing form
oughtn't I to be cross-reacting? oughtn't you to be cross-reacting? oughtn't she to be cross-reacting? oughtn't we to be cross-reacting? oughtn't you to be cross-reacting? oughtn't they to be cross-reacting?
Perfect
oughtn't I to have cross-reacted? oughtn't you to have cross-reacted? oughtn't she to have cross-reacted? oughtn't we to have cross-reacted? oughtn't you to have cross-reacted? oughtn't they to have cross-reacted?
V-ing perfect
oughtn't I to have been cross-reacting? oughtn't you to have been cross-reacting? oughtn't she to have been cross-reacting? oughtn't we to have been cross-reacting? oughtn't you to have been cross-reacting? oughtn't they to have been cross-reacting?