I can jam you can jam he can jam we can jam you can jam they can jam
Forma con V-ing
I can be jamming you can be jamming he can be jamming we can be jamming you can be jamming they can be jamming
Perfecto
I can have jammed you can have jammed he can have jammed we can have jammed you can have jammed they can have jammed
Perfecto con V-ing
I can have been jamming you can have been jamming he can have been jamming we can have been jamming you can have been jamming they can have been jamming
Negación
Forma simple
I cannot jam you cannot jam he cannot jam we cannot jam you cannot jam they cannot jam
Forma con V-ing
I cannot be jamming you cannot be jamming he cannot be jamming we cannot be jamming you cannot be jamming they cannot be jamming
Perfecto
I cannot have jammed you cannot have jammed he cannot have jammed we cannot have jammed you cannot have jammed they cannot have jammed
Perfecto con V-ing
I cannot have been jamming you cannot have been jamming he cannot have been jamming we cannot have been jamming you cannot have been jamming they cannot have been jamming
Forma interrogativa
Forma simple
can I jam? can you jam? can he jam? can we jam? can you jam? can they jam?
Forma con V-ing
can I be jamming? can you be jamming? can he be jamming? can we be jamming? can you be jamming? can they be jamming?
Perfecto
can I have jammed? can you have jammed? can he have jammed? can we have jammed? can you have jammed? can they have jammed?
Perfecto con V-ing
can I have been jamming? can you have been jamming? can he have been jamming? can we have been jamming? can you have been jamming? can they have been jamming?
Forma interro-negativa
Forma simple
can I not jam? can you not jam? can he not jam? can we not jam? can you not jam? can they not jam?
Forma con V-ing
can I not be jamming? can you not be jamming? can he not be jamming? can we not be jamming? can you not be jamming? can they not be jamming?
Perfecto
can I not have jammed? can you not have jammed? can he not have jammed? can we not have jammed? can you not have jammed? can they not have jammed?
Perfecto con V-ing
can I not have been jamming? can you not have been jamming? can he not have been jamming? can we not have been jamming? can you not have been jamming? can they not have been jamming?