could crash
Verbo regular: crash - crashed- crashed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could crash
you could crash
she could crash
we could crash
you could crash
they could crash 	I could be crashing
you could be crashing
she could be crashing
we could be crashing
you could be crashing
they could be crashing	I could have crashed
you could have crashed
she could have crashed
we could have crashed
you could have crashed
they could have crashed	I could have been crashing
you could have been crashing
she could have been crashing
we could have been crashing
you could have been crashing
they could have been crashing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not crash
you could not crash
she could not crash
we could not crash
you could not crash
they could not crash 	I could not be crashing
you could not be crashing
she could not be crashing
we could not be crashing
you could not be crashing
they could not be crashing	I could not have crashed
you could not have crashed
she could not have crashed
we could not have crashed
you could not have crashed
they could not have crashed	I could not have been crashing
you could not have been crashing
she could not have been crashing
we could not have been crashing
you could not have been crashing
they could not have been crashing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I crash?
could you crash?
could she crash?
could we crash?
could you crash?
could they crash? 	could I be crashing?
could you be crashing?
could she be crashing?
could we be crashing?
could you be crashing?
could they be crashing? 	could I have crashed?
could you have crashed?
could she have crashed?
could we have crashed?
could you have crashed?
could they have crashed? 	could I have been crashing?
could you have been crashing?
could she have been crashing?
could we have been crashing?
could you have been crashing?
could they have been crashing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not crash?
could you not crash?
could she not crash?
could we not crash?
could you not crash?
could they not crash? 	could I not be crashing?
could you not be crashing?
could she not be crashing?
could we not be crashing?
could you not be crashing?
could they not be crashing? 	could I not have crashed?
could you not have crashed?
could she not have crashed?
could we not have crashed?
could you not have crashed?
could they not have crashed? 	could I not have been crashing?
could you not have been crashing?
could she not have been crashing?
could we not have been crashing?
could you not have been crashing?
could they not have been crashing?