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 can't tremble you can't tremble he can't tremble we can't tremble you can't tremble they can't tremble
Forma con V-ing
I can't be trembling you can't be trembling he can't be trembling we can't be trembling you can't be trembling they can't be trembling
Perfecto
I can't have trembled you can't have trembled he can't have trembled we can't have trembled you can't have trembled they can't have trembled
Perfecto con V-ing
I can't have been trembling you can't have been trembling he can't have been trembling we can't have been trembling you can't have been trembling they can't 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't I tremble? can't you tremble? can't he tremble? can't we tremble? can't you tremble? can't they tremble?
Forma con V-ing
can't I be trembling? can't you be trembling? can't he be trembling? can't we be trembling? can't you be trembling? can't they be trembling?
Perfecto
can't I have trembled? can't you have trembled? can't he have trembled? can't we have trembled? can't you have trembled? can't they have trembled?
Perfecto con V-ing
can't I have been trembling? can't you have been trembling? can't he have been trembling? can't we have been trembling? can't you have been trembling? can't they have been trembling?