I can snicker you can snicker he can snicker we can snicker you can snicker they can snicker
Forma con V-ing
I can be snickering you can be snickering he can be snickering we can be snickering you can be snickering they can be snickering
Perfecto
I can have snickered you can have snickered he can have snickered we can have snickered you can have snickered they can have snickered
Perfecto con V-ing
I can have been snickering you can have been snickering he can have been snickering we can have been snickering you can have been snickering they can have been snickering
Negación
Forma simple
I cannot snicker you cannot snicker he cannot snicker we cannot snicker you cannot snicker they cannot snicker
Forma con V-ing
I cannot be snickering you cannot be snickering he cannot be snickering we cannot be snickering you cannot be snickering they cannot be snickering
Perfecto
I cannot have snickered you cannot have snickered he cannot have snickered we cannot have snickered you cannot have snickered they cannot have snickered
Perfecto con V-ing
I cannot have been snickering you cannot have been snickering he cannot have been snickering we cannot have been snickering you cannot have been snickering they cannot have been snickering
Forma interrogativa
Forma simple
can I snicker? can you snicker? can he snicker? can we snicker? can you snicker? can they snicker?
Forma con V-ing
can I be snickering? can you be snickering? can he be snickering? can we be snickering? can you be snickering? can they be snickering?
Perfecto
can I have snickered? can you have snickered? can he have snickered? can we have snickered? can you have snickered? can they have snickered?
Perfecto con V-ing
can I have been snickering? can you have been snickering? can he have been snickering? can we have been snickering? can you have been snickering? can they have been snickering?
Forma interro-negativa
Forma simple
can I not snicker? can you not snicker? can he not snicker? can we not snicker? can you not snicker? can they not snicker?
Forma con V-ing
can I not be snickering? can you not be snickering? can he not be snickering? can we not be snickering? can you not be snickering? can they not be snickering?
Perfecto
can I not have snickered? can you not have snickered? can he not have snickered? can we not have snickered? can you not have snickered? can they not have snickered?
Perfecto con V-ing
can I not have been snickering? can you not have been snickering? can he not have been snickering? can we not have been snickering? can you not have been snickering? can they not have been snickering?