can tram
Verbo regular: tram - tramed- tramed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can tram
you can tram
he can tram
we can tram
you can tram
they can tram 	I can be traming
you can be traming
he can be traming
we can be traming
you can be traming
they can be traming	I can have tramed
you can have tramed
he can have tramed
we can have tramed
you can have tramed
they can have tramed	I can have been traming
you can have been traming
he can have been traming
we can have been traming
you can have been traming
they can have been traming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't tram
you can't tram
he can't tram
we can't tram
you can't tram
they can't tram 	I can't be traming
you can't be traming
he can't be traming
we can't be traming
you can't be traming
they can't be traming	I can't have tramed
you can't have tramed
he can't have tramed
we can't have tramed
you can't have tramed
they can't have tramed	I can't have been traming
you can't have been traming
he can't have been traming
we can't have been traming
you can't have been traming
they can't have been traming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I tram?
can you tram?
can he tram?
can we tram?
can you tram?
can they tram? 	can I be traming?
can you be traming?
can he be traming?
can we be traming?
can you be traming?
can they be traming? 	can I have tramed?
can you have tramed?
can he have tramed?
can we have tramed?
can you have tramed?
can they have tramed? 	can I have been traming?
can you have been traming?
can he have been traming?
can we have been traming?
can you have been traming?
can they have been traming? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I tram?
can't you tram?
can't he tram?
can't we tram?
can't you tram?
can't they tram? 	can't I be traming?
can't you be traming?
can't he be traming?
can't we be traming?
can't you be traming?
can't they be traming? 	can't I have tramed?
can't you have tramed?
can't he have tramed?
can't we have tramed?
can't you have tramed?
can't they have tramed? 	can't I have been traming?
can't you have been traming?
can't he have been traming?
can't we have been traming?
can't you have been traming?
can't they have been traming?