I can refrain you can refrain he can refrain we can refrain you can refrain they can refrain
Forma com V-ing
I can be refraining you can be refraining he can be refraining we can be refraining you can be refraining they can be refraining
Perfeito
I can have refrained you can have refrained he can have refrained we can have refrained you can have refrained they can have refrained
Perfeito com V-ing
I can have been refraining you can have been refraining he can have been refraining we can have been refraining you can have been refraining they can have been refraining
Negação
Forma simple
I can't refrain you can't refrain he can't refrain we can't refrain you can't refrain they can't refrain
Forma com V-ing
I can't be refraining you can't be refraining he can't be refraining we can't be refraining you can't be refraining they can't be refraining
Perfeito
I can't have refrained you can't have refrained he can't have refrained we can't have refrained you can't have refrained they can't have refrained
Perfeito com V-ing
I can't have been refraining you can't have been refraining he can't have been refraining we can't have been refraining you can't have been refraining they can't have been refraining
Forma interrogativa
Forma simple
can I refrain? can you refrain? can he refrain? can we refrain? can you refrain? can they refrain?
Forma com V-ing
can I be refraining? can you be refraining? can he be refraining? can we be refraining? can you be refraining? can they be refraining?
Perfeito
can I have refrained? can you have refrained? can he have refrained? can we have refrained? can you have refrained? can they have refrained?
Perfeito com V-ing
can I have been refraining? can you have been refraining? can he have been refraining? can we have been refraining? can you have been refraining? can they have been refraining?
Forma interro-Negação
Forma simple
can't I refrain? can't you refrain? can't he refrain? can't we refrain? can't you refrain? can't they refrain?
Forma com V-ing
can't I be refraining? can't you be refraining? can't he be refraining? can't we be refraining? can't you be refraining? can't they be refraining?
Perfeito
can't I have refrained? can't you have refrained? can't he have refrained? can't we have refrained? can't you have refrained? can't they have refrained?
Perfeito com V-ing
can't I have been refraining? can't you have been refraining? can't he have been refraining? can't we have been refraining? can't you have been refraining? can't they have been refraining?