I can roar you can roar he can roar we can roar you can roar they can roar
Forma com V-ing
I can be roaring you can be roaring he can be roaring we can be roaring you can be roaring they can be roaring
Perfeito
I can have roared you can have roared he can have roared we can have roared you can have roared they can have roared
Perfeito com V-ing
I can have been roaring you can have been roaring he can have been roaring we can have been roaring you can have been roaring they can have been roaring
Negação
Forma simple
I can't roar you can't roar he can't roar we can't roar you can't roar they can't roar
Forma com V-ing
I can't be roaring you can't be roaring he can't be roaring we can't be roaring you can't be roaring they can't be roaring
Perfeito
I can't have roared you can't have roared he can't have roared we can't have roared you can't have roared they can't have roared
Perfeito com V-ing
I can't have been roaring you can't have been roaring he can't have been roaring we can't have been roaring you can't have been roaring they can't have been roaring
Forma interrogativa
Forma simple
can I roar? can you roar? can he roar? can we roar? can you roar? can they roar?
Forma com V-ing
can I be roaring? can you be roaring? can he be roaring? can we be roaring? can you be roaring? can they be roaring?
Perfeito
can I have roared? can you have roared? can he have roared? can we have roared? can you have roared? can they have roared?
Perfeito com V-ing
can I have been roaring? can you have been roaring? can he have been roaring? can we have been roaring? can you have been roaring? can they have been roaring?
Forma interro-Negação
Forma simple
can't I roar? can't you roar? can't he roar? can't we roar? can't you roar? can't they roar?
Forma com V-ing
can't I be roaring? can't you be roaring? can't he be roaring? can't we be roaring? can't you be roaring? can't they be roaring?
Perfeito
can't I have roared? can't you have roared? can't he have roared? can't we have roared? can't you have roared? can't they have roared?
Perfeito com V-ing
can't I have been roaring? can't you have been roaring? can't he have been roaring? can't we have been roaring? can't you have been roaring? can't they have been roaring?