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 cannot hum
you cannot hum
she cannot hum
we cannot hum
you cannot hum
they cannot hum 	I cannot be huming
you cannot be huming
she cannot be huming
we cannot be huming
you cannot be huming
they cannot be huming	I cannot have humed
you cannot have humed
she cannot have humed
we cannot have humed
you cannot have humed
they cannot have humed	I cannot have been huming
you cannot have been huming
she cannot have been huming
we cannot have been huming
you cannot have been huming
they cannot 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 I not hum?
can you not hum?
can she not hum?
can we not hum?
can you not hum?
can they not hum? 	can I not be huming?
can you not be huming?
can she not be huming?
can we not be huming?
can you not be huming?
can they not be huming? 	can I not have humed?
can you not have humed?
can she not have humed?
can we not have humed?
can you not have humed?
can they not have humed? 	can I not have been huming?
can you not have been huming?
can she not have been huming?
can we not have been huming?
can you not have been huming?
can they not have been huming?