I can tremble you can tremble he can tremble we can tremble you can tremble they can tremble
Forma con V-ing
I can be trembling you can be trembling he can be trembling we can be trembling you can be trembling they can be trembling
Perfecto
I can have trembled you can have trembled he can have trembled we can have trembled you can have trembled they can have trembled
Perfecto con V-ing
I can have been trembling you can have been trembling he can have been trembling we can have been trembling you can have been trembling they can have been trembling
Negación
Forma simple
I cannot tremble you cannot tremble he cannot tremble we cannot tremble you cannot tremble they cannot tremble
Forma con V-ing
I cannot be trembling you cannot be trembling he cannot be trembling we cannot be trembling you cannot be trembling they cannot be trembling
Perfecto
I cannot have trembled you cannot have trembled he cannot have trembled we cannot have trembled you cannot have trembled they cannot have trembled
Perfecto con V-ing
I cannot have been trembling you cannot have been trembling he cannot have been trembling we cannot have been trembling you cannot have been trembling they cannot have been trembling
Forma interrogativa
Forma simple
can I tremble? can you tremble? can he tremble? can we tremble? can you tremble? can they tremble?
Forma con V-ing
can I be trembling? can you be trembling? can he be trembling? can we be trembling? can you be trembling? can they be trembling?
Perfecto
can I have trembled? can you have trembled? can he have trembled? can we have trembled? can you have trembled? can they have trembled?
Perfecto con V-ing
can I have been trembling? can you have been trembling? can he have been trembling? can we have been trembling? can you have been trembling? can they have been trembling?
Forma interro-negativa
Forma simple
can I not tremble? can you not tremble? can he not tremble? can we not tremble? can you not tremble? can they not tremble?
Forma con V-ing
can I not be trembling? can you not be trembling? can he not be trembling? can we not be trembling? can you not be trembling? can they not be trembling?
Perfecto
can I not have trembled? can you not have trembled? can he not have trembled? can we not have trembled? can you not have trembled? can they not have trembled?
Perfecto con V-ing
can I not have been trembling? can you not have been trembling? can he not have been trembling? can we not have been trembling? can you not have been trembling? can they not have been trembling?