could cross-react
Verbo regular: cross-react - cross-reacted- cross-reacted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could cross-react
you could cross-react
he could cross-react
we could cross-react
you could cross-react
they could cross-react 	I could be cross-reacting
you could be cross-reacting
he could be cross-reacting
we could be cross-reacting
you could be cross-reacting
they could be cross-reacting	I could have cross-reacted
you could have cross-reacted
he could have cross-reacted
we could have cross-reacted
you could have cross-reacted
they could have cross-reacted	I could have been cross-reacting
you could have been cross-reacting
he could have been cross-reacting
we could have been cross-reacting
you could have been cross-reacting
they could have been cross-reacting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't cross-react
you couldn't cross-react
he couldn't cross-react
we couldn't cross-react
you couldn't cross-react
they couldn't cross-react 	I couldn't be cross-reacting
you couldn't be cross-reacting
he couldn't be cross-reacting
we couldn't be cross-reacting
you couldn't be cross-reacting
they couldn't be cross-reacting	I couldn't have cross-reacted
you couldn't have cross-reacted
he couldn't have cross-reacted
we couldn't have cross-reacted
you couldn't have cross-reacted
they couldn't have cross-reacted	I couldn't have been cross-reacting
you couldn't have been cross-reacting
he couldn't have been cross-reacting
we couldn't have been cross-reacting
you couldn't have been cross-reacting
they couldn't have been cross-reacting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I cross-react?
could you cross-react?
could he cross-react?
could we cross-react?
could you cross-react?
could they cross-react? 	could I be cross-reacting?
could you be cross-reacting?
could he be cross-reacting?
could we be cross-reacting?
could you be cross-reacting?
could they be cross-reacting? 	could I have cross-reacted?
could you have cross-reacted?
could he have cross-reacted?
could we have cross-reacted?
could you have cross-reacted?
could they have cross-reacted? 	could I have been cross-reacting?
could you have been cross-reacting?
could he have been cross-reacting?
could we have been cross-reacting?
could you have been cross-reacting?
could they have been cross-reacting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I cross-react?
couldn't you cross-react?
couldn't he cross-react?
couldn't we cross-react?
couldn't you cross-react?
couldn't they cross-react? 	couldn't I be cross-reacting?
couldn't you be cross-reacting?
couldn't he be cross-reacting?
couldn't we be cross-reacting?
couldn't you be cross-reacting?
couldn't they be cross-reacting? 	couldn't I have cross-reacted?
couldn't you have cross-reacted?
couldn't he have cross-reacted?
couldn't we have cross-reacted?
couldn't you have cross-reacted?
couldn't they have cross-reacted? 	couldn't I have been cross-reacting?
couldn't you have been cross-reacting?
couldn't he have been cross-reacting?
couldn't we have been cross-reacting?
couldn't you have been cross-reacting?
couldn't they have been cross-reacting?