can tong
Verbo regular: tong - tonged- tonged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can tong
you can tong
he can tong
we can tong
you can tong
they can tong 	I can be tonging
you can be tonging
he can be tonging
we can be tonging
you can be tonging
they can be tonging	I can have tonged
you can have tonged
he can have tonged
we can have tonged
you can have tonged
they can have tonged	I can have been tonging
you can have been tonging
he can have been tonging
we can have been tonging
you can have been tonging
they can have been tonging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot tong
you cannot tong
he cannot tong
we cannot tong
you cannot tong
they cannot tong 	I cannot be tonging
you cannot be tonging
he cannot be tonging
we cannot be tonging
you cannot be tonging
they cannot be tonging	I cannot have tonged
you cannot have tonged
he cannot have tonged
we cannot have tonged
you cannot have tonged
they cannot have tonged	I cannot have been tonging
you cannot have been tonging
he cannot have been tonging
we cannot have been tonging
you cannot have been tonging
they cannot have been tonging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I tong?
can you tong?
can he tong?
can we tong?
can you tong?
can they tong? 	can I be tonging?
can you be tonging?
can he be tonging?
can we be tonging?
can you be tonging?
can they be tonging? 	can I have tonged?
can you have tonged?
can he have tonged?
can we have tonged?
can you have tonged?
can they have tonged? 	can I have been tonging?
can you have been tonging?
can he have been tonging?
can we have been tonging?
can you have been tonging?
can they have been tonging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not tong?
can you not tong?
can he not tong?
can we not tong?
can you not tong?
can they not tong? 	can I not be tonging?
can you not be tonging?
can he not be tonging?
can we not be tonging?
can you not be tonging?
can they not be tonging? 	can I not have tonged?
can you not have tonged?
can he not have tonged?
can we not have tonged?
can you not have tonged?
can they not have tonged? 	can I not have been tonging?
can you not have been tonging?
can he not have been tonging?
can we not have been tonging?
can you not have been tonging?
can they not have been tonging?