I can stare you can stare he can stare we can stare you can stare they can stare
Forma com V-ing
I can be staring you can be staring he can be staring we can be staring you can be staring they can be staring
Perfeito
I can have stared you can have stared he can have stared we can have stared you can have stared they can have stared
Perfeito com V-ing
I can have been staring you can have been staring he can have been staring we can have been staring you can have been staring they can have been staring
Negação
Forma simple
I cannot stare you cannot stare he cannot stare we cannot stare you cannot stare they cannot stare
Forma com V-ing
I cannot be staring you cannot be staring he cannot be staring we cannot be staring you cannot be staring they cannot be staring
Perfeito
I cannot have stared you cannot have stared he cannot have stared we cannot have stared you cannot have stared they cannot have stared
Perfeito com V-ing
I cannot have been staring you cannot have been staring he cannot have been staring we cannot have been staring you cannot have been staring they cannot have been staring
Forma interrogativa
Forma simple
can I stare? can you stare? can he stare? can we stare? can you stare? can they stare?
Forma com V-ing
can I be staring? can you be staring? can he be staring? can we be staring? can you be staring? can they be staring?
Perfeito
can I have stared? can you have stared? can he have stared? can we have stared? can you have stared? can they have stared?
Perfeito com V-ing
can I have been staring? can you have been staring? can he have been staring? can we have been staring? can you have been staring? can they have been staring?
Forma interro-Negação
Forma simple
can I not stare? can you not stare? can he not stare? can we not stare? can you not stare? can they not stare?
Forma com V-ing
can I not be staring? can you not be staring? can he not be staring? can we not be staring? can you not be staring? can they not be staring?
Perfeito
can I not have stared? can you not have stared? can he not have stared? can we not have stared? can you not have stared? can they not have stared?
Perfeito com V-ing
can I not have been staring? can you not have been staring? can he not have been staring? can we not have been staring? can you not have been staring? can they not have been staring?