can hum
Verbo regular: hum - humed- humed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can hum
you can hum
he can hum
we can hum
you can hum
they can hum 	I can be huming
you can be huming
he can be huming
we can be huming
you can be huming
they can be huming	I can have humed
you can have humed
he can have humed
we can have humed
you can have humed
they can have humed	I can have been huming
you can have been huming
he can have been huming
we can have been huming
you can have been huming
they can have been huming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't hum
you can't hum
he can't hum
we can't hum
you can't hum
they can't hum 	I can't be huming
you can't be huming
he can't be huming
we can't be huming
you can't be huming
they can't be huming	I can't have humed
you can't have humed
he can't have humed
we can't have humed
you can't have humed
they can't have humed	I can't have been huming
you can't have been huming
he can't have been huming
we can't have been huming
you can't have been huming
they can't have been huming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I hum?
can you hum?
can he hum?
can we hum?
can you hum?
can they hum? 	can I be huming?
can you be huming?
can he be huming?
can we be huming?
can you be huming?
can they be huming? 	can I have humed?
can you have humed?
can he have humed?
can we have humed?
can you have humed?
can they have humed? 	can I have been huming?
can you have been huming?
can he have been huming?
can we have been huming?
can you have been huming?
can they have been huming? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I hum?
can't you hum?
can't he hum?
can't we hum?
can't you hum?
can't they hum? 	can't I be huming?
can't you be huming?
can't he be huming?
can't we be huming?
can't you be huming?
can't they be huming? 	can't I have humed?
can't you have humed?
can't he have humed?
can't we have humed?
can't you have humed?
can't they have humed? 	can't I have been huming?
can't you have been huming?
can't he have been huming?
can't we have been huming?
can't you have been huming?
can't they have been huming?