can cross-check
Verbo regular: cross-check - cross-checked- cross-checked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can cross-check
you can cross-check
she can cross-check
we can cross-check
you can cross-check
they can cross-check 	I can be cross-checking
you can be cross-checking
she can be cross-checking
we can be cross-checking
you can be cross-checking
they can be cross-checking	I can have cross-checked
you can have cross-checked
she can have cross-checked
we can have cross-checked
you can have cross-checked
they can have cross-checked	I can have been cross-checking
you can have been cross-checking
she can have been cross-checking
we can have been cross-checking
you can have been cross-checking
they can have been cross-checking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot cross-check
you cannot cross-check
she cannot cross-check
we cannot cross-check
you cannot cross-check
they cannot cross-check 	I cannot be cross-checking
you cannot be cross-checking
she cannot be cross-checking
we cannot be cross-checking
you cannot be cross-checking
they cannot be cross-checking	I cannot have cross-checked
you cannot have cross-checked
she cannot have cross-checked
we cannot have cross-checked
you cannot have cross-checked
they cannot have cross-checked	I cannot have been cross-checking
you cannot have been cross-checking
she cannot have been cross-checking
we cannot have been cross-checking
you cannot have been cross-checking
they cannot have been cross-checking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I cross-check?
can you cross-check?
can she cross-check?
can we cross-check?
can you cross-check?
can they cross-check? 	can I be cross-checking?
can you be cross-checking?
can she be cross-checking?
can we be cross-checking?
can you be cross-checking?
can they be cross-checking? 	can I have cross-checked?
can you have cross-checked?
can she have cross-checked?
can we have cross-checked?
can you have cross-checked?
can they have cross-checked? 	can I have been cross-checking?
can you have been cross-checking?
can she have been cross-checking?
can we have been cross-checking?
can you have been cross-checking?
can they have been cross-checking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not cross-check?
can you not cross-check?
can she not cross-check?
can we not cross-check?
can you not cross-check?
can they not cross-check? 	can I not be cross-checking?
can you not be cross-checking?
can she not be cross-checking?
can we not be cross-checking?
can you not be cross-checking?
can they not be cross-checking? 	can I not have cross-checked?
can you not have cross-checked?
can she not have cross-checked?
can we not have cross-checked?
can you not have cross-checked?
can they not have cross-checked? 	can I not have been cross-checking?
can you not have been cross-checking?
can she not have been cross-checking?
can we not have been cross-checking?
can you not have been cross-checking?
can they not have been cross-checking?