can crash
Verbo regular: crash - crashed- crashed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can crash
you can crash
she can crash
we can crash
you can crash
they can crash 	I can be crashing
you can be crashing
she can be crashing
we can be crashing
you can be crashing
they can be crashing	I can have crashed
you can have crashed
she can have crashed
we can have crashed
you can have crashed
they can have crashed	I can have been crashing
you can have been crashing
she can have been crashing
we can have been crashing
you can have been crashing
they can have been crashing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot crash
you cannot crash
she cannot crash
we cannot crash
you cannot crash
they cannot crash 	I cannot be crashing
you cannot be crashing
she cannot be crashing
we cannot be crashing
you cannot be crashing
they cannot be crashing	I cannot have crashed
you cannot have crashed
she cannot have crashed
we cannot have crashed
you cannot have crashed
they cannot have crashed	I cannot have been crashing
you cannot have been crashing
she cannot have been crashing
we cannot have been crashing
you cannot have been crashing
they cannot have been crashing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I crash?
can you crash?
can she crash?
can we crash?
can you crash?
can they crash? 	can I be crashing?
can you be crashing?
can she be crashing?
can we be crashing?
can you be crashing?
can they be crashing? 	can I have crashed?
can you have crashed?
can she have crashed?
can we have crashed?
can you have crashed?
can they have crashed? 	can I have been crashing?
can you have been crashing?
can she have been crashing?
can we have been crashing?
can you have been crashing?
can they have been crashing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not crash?
can you not crash?
can she not crash?
can we not crash?
can you not crash?
can they not crash? 	can I not be crashing?
can you not be crashing?
can she not be crashing?
can we not be crashing?
can you not be crashing?
can they not be crashing? 	can I not have crashed?
can you not have crashed?
can she not have crashed?
can we not have crashed?
can you not have crashed?
can they not have crashed? 	can I not have been crashing?
can you not have been crashing?
can she not have been crashing?
can we not have been crashing?
can you not have been crashing?
can they not have been crashing?