I can prebuy you can prebuy he can prebuy we can prebuy you can prebuy they can prebuy
Forma com V-ing
I can be prebuying you can be prebuying he can be prebuying we can be prebuying you can be prebuying they can be prebuying
Perfeito
I can have prebought you can have prebought he can have prebought we can have prebought you can have prebought they can have prebought
Perfeito com V-ing
I can have been prebuying you can have been prebuying he can have been prebuying we can have been prebuying you can have been prebuying they can have been prebuying
Negação
Forma simple
I cannot prebuy you cannot prebuy he cannot prebuy we cannot prebuy you cannot prebuy they cannot prebuy
Forma com V-ing
I cannot be prebuying you cannot be prebuying he cannot be prebuying we cannot be prebuying you cannot be prebuying they cannot be prebuying
Perfeito
I cannot have prebought you cannot have prebought he cannot have prebought we cannot have prebought you cannot have prebought they cannot have prebought
Perfeito com V-ing
I cannot have been prebuying you cannot have been prebuying he cannot have been prebuying we cannot have been prebuying you cannot have been prebuying they cannot have been prebuying
Forma interrogativa
Forma simple
can I prebuy? can you prebuy? can he prebuy? can we prebuy? can you prebuy? can they prebuy?
Forma com V-ing
can I be prebuying? can you be prebuying? can he be prebuying? can we be prebuying? can you be prebuying? can they be prebuying?
Perfeito
can I have prebought? can you have prebought? can he have prebought? can we have prebought? can you have prebought? can they have prebought?
Perfeito com V-ing
can I have been prebuying? can you have been prebuying? can he have been prebuying? can we have been prebuying? can you have been prebuying? can they have been prebuying?
Forma interro-Negação
Forma simple
can I not prebuy? can you not prebuy? can he not prebuy? can we not prebuy? can you not prebuy? can they not prebuy?
Forma com V-ing
can I not be prebuying? can you not be prebuying? can he not be prebuying? can we not be prebuying? can you not be prebuying? can they not be prebuying?
Perfeito
can I not have prebought? can you not have prebought? can he not have prebought? can we not have prebought? can you not have prebought? can they not have prebought?
Perfeito com V-ing
can I not have been prebuying? can you not have been prebuying? can he not have been prebuying? can we not have been prebuying? can you not have been prebuying? can they not have been prebuying?