I can stock you can stock she can stock we can stock you can stock they can stock
Forma con V-ing
I can be stocking you can be stocking she can be stocking we can be stocking you can be stocking they can be stocking
Perfecto
I can have stocked you can have stocked she can have stocked we can have stocked you can have stocked they can have stocked
Perfecto con V-ing
I can have been stocking you can have been stocking she can have been stocking we can have been stocking you can have been stocking they can have been stocking
Negación
Forma simple
I can't stock you can't stock she can't stock we can't stock you can't stock they can't stock
Forma con V-ing
I can't be stocking you can't be stocking she can't be stocking we can't be stocking you can't be stocking they can't be stocking
Perfecto
I can't have stocked you can't have stocked she can't have stocked we can't have stocked you can't have stocked they can't have stocked
Perfecto con V-ing
I can't have been stocking you can't have been stocking she can't have been stocking we can't have been stocking you can't have been stocking they can't have been stocking
Forma interrogativa
Forma simple
can I stock? can you stock? can she stock? can we stock? can you stock? can they stock?
Forma con V-ing
can I be stocking? can you be stocking? can she be stocking? can we be stocking? can you be stocking? can they be stocking?
Perfecto
can I have stocked? can you have stocked? can she have stocked? can we have stocked? can you have stocked? can they have stocked?
Perfecto con V-ing
can I have been stocking? can you have been stocking? can she have been stocking? can we have been stocking? can you have been stocking? can they have been stocking?
Forma interro-negativa
Forma simple
can't I stock? can't you stock? can't she stock? can't we stock? can't you stock? can't they stock?
Forma con V-ing
can't I be stocking? can't you be stocking? can't she be stocking? can't we be stocking? can't you be stocking? can't they be stocking?
Perfecto
can't I have stocked? can't you have stocked? can't she have stocked? can't we have stocked? can't you have stocked? can't they have stocked?
Perfecto con V-ing
can't I have been stocking? can't you have been stocking? can't she have been stocking? can't we have been stocking? can't you have been stocking? can't they have been stocking?