I can top you can top he can top we can top you can top they can top
Forma com 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
Perfeito
I can have topped you can have topped he can have topped we can have topped you can have topped they can have topped
Perfeito com 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
Negação
Forma simple
I cannot top you cannot top he cannot top we cannot top you cannot top they cannot top
Forma com V-ing
I cannot be topping you cannot be topping he cannot be topping we cannot be topping you cannot be topping they cannot be topping
Perfeito
I cannot have topped you cannot have topped he cannot have topped we cannot have topped you cannot have topped they cannot have topped
Perfeito com V-ing
I cannot have been topping you cannot have been topping he cannot have been topping we cannot have been topping you cannot have been topping they cannot 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 com 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?
Perfeito
can I have topped? can you have topped? can he have topped? can we have topped? can you have topped? can they have topped?
Perfeito com 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-Negação
Forma simple
can I not top? can you not top? can he not top? can we not top? can you not top? can they not top?
Forma com V-ing
can I not be topping? can you not be topping? can he not be topping? can we not be topping? can you not be topping? can they not be topping?
Perfeito
can I not have topped? can you not have topped? can he not have topped? can we not have topped? can you not have topped? can they not have topped?
Perfeito com V-ing
can I not have been topping? can you not have been topping? can he not have been topping? can we not have been topping? can you not have been topping? can they not have been topping?