can hum
Verbo regular: hum - humed- humed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can hum
you can hum
she can hum
we can hum
you can hum
they can hum 	I can be huming
you can be huming
she can be huming
we can be huming
you can be huming
they can be huming	I can have humed
you can have humed
she 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
she can have been huming
we can have been huming
you can have been huming
they can have been huming	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't hum
you can't hum
she 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
she 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
she 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
she 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
can I hum?
can you hum?
can she hum?
can we hum?
can you hum?
can they hum? 	can I be huming?
can you be huming?
can she be huming?
can we be huming?
can you be huming?
can they be huming? 	can I have humed?
can you have humed?
can she 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 she have been huming?
can we have been huming?
can you have been huming?
can they have been huming? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I hum?
can't you hum?
can't she 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 she 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 she 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 she have been huming?
can't we have been huming?
can't you have been huming?
can't they have been huming?