I can purr you can purr he can purr we can purr you can purr they can purr
Forma con V-ing
I can be purring you can be purring he can be purring we can be purring you can be purring they can be purring
Perfecto
I can have purred you can have purred he can have purred we can have purred you can have purred they can have purred
Perfecto con V-ing
I can have been purring you can have been purring he can have been purring we can have been purring you can have been purring they can have been purring
Negación
Forma simple
I cannot purr you cannot purr he cannot purr we cannot purr you cannot purr they cannot purr
Forma con V-ing
I cannot be purring you cannot be purring he cannot be purring we cannot be purring you cannot be purring they cannot be purring
Perfecto
I cannot have purred you cannot have purred he cannot have purred we cannot have purred you cannot have purred they cannot have purred
Perfecto con V-ing
I cannot have been purring you cannot have been purring he cannot have been purring we cannot have been purring you cannot have been purring they cannot have been purring
Forma interrogativa
Forma simple
can I purr? can you purr? can he purr? can we purr? can you purr? can they purr?
Forma con V-ing
can I be purring? can you be purring? can he be purring? can we be purring? can you be purring? can they be purring?
Perfecto
can I have purred? can you have purred? can he have purred? can we have purred? can you have purred? can they have purred?
Perfecto con V-ing
can I have been purring? can you have been purring? can he have been purring? can we have been purring? can you have been purring? can they have been purring?
Forma interro-negativa
Forma simple
can I not purr? can you not purr? can he not purr? can we not purr? can you not purr? can they not purr?
Forma con V-ing
can I not be purring? can you not be purring? can he not be purring? can we not be purring? can you not be purring? can they not be purring?
Perfecto
can I not have purred? can you not have purred? can he not have purred? can we not have purred? can you not have purred? can they not have purred?
Perfecto con V-ing
can I not have been purring? can you not have been purring? can he not have been purring? can we not have been purring? can you not have been purring? can they not have been purring?