can trailer
Verbo regular: trailer - trailered- trailered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can trailer
you can trailer
he can trailer
we can trailer
you can trailer
they can trailer 	I can be trailering
you can be trailering
he can be trailering
we can be trailering
you can be trailering
they can be trailering	I can have trailered
you can have trailered
he can have trailered
we can have trailered
you can have trailered
they can have trailered	I can have been trailering
you can have been trailering
he can have been trailering
we can have been trailering
you can have been trailering
they can have been trailering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot trailer
you cannot trailer
he cannot trailer
we cannot trailer
you cannot trailer
they cannot trailer 	I cannot be trailering
you cannot be trailering
he cannot be trailering
we cannot be trailering
you cannot be trailering
they cannot be trailering	I cannot have trailered
you cannot have trailered
he cannot have trailered
we cannot have trailered
you cannot have trailered
they cannot have trailered	I cannot have been trailering
you cannot have been trailering
he cannot have been trailering
we cannot have been trailering
you cannot have been trailering
they cannot have been trailering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I trailer?
can you trailer?
can he trailer?
can we trailer?
can you trailer?
can they trailer? 	can I be trailering?
can you be trailering?
can he be trailering?
can we be trailering?
can you be trailering?
can they be trailering? 	can I have trailered?
can you have trailered?
can he have trailered?
can we have trailered?
can you have trailered?
can they have trailered? 	can I have been trailering?
can you have been trailering?
can he have been trailering?
can we have been trailering?
can you have been trailering?
can they have been trailering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not trailer?
can you not trailer?
can he not trailer?
can we not trailer?
can you not trailer?
can they not trailer? 	can I not be trailering?
can you not be trailering?
can he not be trailering?
can we not be trailering?
can you not be trailering?
can they not be trailering? 	can I not have trailered?
can you not have trailered?
can he not have trailered?
can we not have trailered?
can you not have trailered?
can they not have trailered? 	can I not have been trailering?
can you not have been trailering?
can he not have been trailering?
can we not have been trailering?
can you not have been trailering?
can they not have been trailering?