I can invent you can invent he can invent we can invent you can invent they can invent
Forma com V-ing
I can be inventing you can be inventing he can be inventing we can be inventing you can be inventing they can be inventing
Perfeito
I can have invented you can have invented he can have invented we can have invented you can have invented they can have invented
Perfeito com V-ing
I can have been inventing you can have been inventing he can have been inventing we can have been inventing you can have been inventing they can have been inventing
Negação
Forma simple
I cannot invent you cannot invent he cannot invent we cannot invent you cannot invent they cannot invent
Forma com V-ing
I cannot be inventing you cannot be inventing he cannot be inventing we cannot be inventing you cannot be inventing they cannot be inventing
Perfeito
I cannot have invented you cannot have invented he cannot have invented we cannot have invented you cannot have invented they cannot have invented
Perfeito com V-ing
I cannot have been inventing you cannot have been inventing he cannot have been inventing we cannot have been inventing you cannot have been inventing they cannot have been inventing
Forma interrogativa
Forma simple
can I invent? can you invent? can he invent? can we invent? can you invent? can they invent?
Forma com V-ing
can I be inventing? can you be inventing? can he be inventing? can we be inventing? can you be inventing? can they be inventing?
Perfeito
can I have invented? can you have invented? can he have invented? can we have invented? can you have invented? can they have invented?
Perfeito com V-ing
can I have been inventing? can you have been inventing? can he have been inventing? can we have been inventing? can you have been inventing? can they have been inventing?
Forma interro-Negação
Forma simple
can I not invent? can you not invent? can he not invent? can we not invent? can you not invent? can they not invent?
Forma com V-ing
can I not be inventing? can you not be inventing? can he not be inventing? can we not be inventing? can you not be inventing? can they not be inventing?
Perfeito
can I not have invented? can you not have invented? can he not have invented? can we not have invented? can you not have invented? can they not have invented?
Perfeito com V-ing
can I not have been inventing? can you not have been inventing? can he not have been inventing? can we not have been inventing? can you not have been inventing? can they not have been inventing?