I can top you can top he can top we can top you can top they can top
Forma con V-ing
I can be topping you can be topping he can be topping we can be topping you can be topping they can be topping
Perfecto
I can have topped you can have topped he can have topped we can have topped you can have topped they can have topped
Perfecto con V-ing
I can have been topping you can have been topping he can have been topping we can have been topping you can have been topping they can have been topping
Negación
Forma simple
I can't top you can't top he can't top we can't top you can't top they can't top
Forma con V-ing
I can't be topping you can't be topping he can't be topping we can't be topping you can't be topping they can't be topping
Perfecto
I can't have topped you can't have topped he can't have topped we can't have topped you can't have topped they can't have topped
Perfecto con V-ing
I can't have been topping you can't have been topping he can't have been topping we can't have been topping you can't have been topping they can't have been topping
Forma interrogativa
Forma simple
can I top? can you top? can he top? can we top? can you top? can they top?
Forma con V-ing
can I be topping? can you be topping? can he be topping? can we be topping? can you be topping? can they be topping?
Perfecto
can I have topped? can you have topped? can he have topped? can we have topped? can you have topped? can they have topped?
Perfecto con V-ing
can I have been topping? can you have been topping? can he have been topping? can we have been topping? can you have been topping? can they have been topping?
Forma interro-negativa
Forma simple
can't I top? can't you top? can't he top? can't we top? can't you top? can't they top?
Forma con V-ing
can't I be topping? can't you be topping? can't he be topping? can't we be topping? can't you be topping? can't they be topping?
Perfecto
can't I have topped? can't you have topped? can't he have topped? can't we have topped? can't you have topped? can't they have topped?
Perfecto con V-ing
can't I have been topping? can't you have been topping? can't he have been topping? can't we have been topping? can't you have been topping? can't they have been topping?