I can retire you can retire he can retire we can retire you can retire they can retire
Forma com V-ing
I can be retiring you can be retiring he can be retiring we can be retiring you can be retiring they can be retiring
Perfeito
I can have retired you can have retired he can have retired we can have retired you can have retired they can have retired
Perfeito com V-ing
I can have been retiring you can have been retiring he can have been retiring we can have been retiring you can have been retiring they can have been retiring
Negação
Forma simple
I can't retire you can't retire he can't retire we can't retire you can't retire they can't retire
Forma com V-ing
I can't be retiring you can't be retiring he can't be retiring we can't be retiring you can't be retiring they can't be retiring
Perfeito
I can't have retired you can't have retired he can't have retired we can't have retired you can't have retired they can't have retired
Perfeito com V-ing
I can't have been retiring you can't have been retiring he can't have been retiring we can't have been retiring you can't have been retiring they can't have been retiring
Forma interrogativa
Forma simple
can I retire? can you retire? can he retire? can we retire? can you retire? can they retire?
Forma com V-ing
can I be retiring? can you be retiring? can he be retiring? can we be retiring? can you be retiring? can they be retiring?
Perfeito
can I have retired? can you have retired? can he have retired? can we have retired? can you have retired? can they have retired?
Perfeito com V-ing
can I have been retiring? can you have been retiring? can he have been retiring? can we have been retiring? can you have been retiring? can they have been retiring?
Forma interro-Negação
Forma simple
can't I retire? can't you retire? can't he retire? can't we retire? can't you retire? can't they retire?
Forma com V-ing
can't I be retiring? can't you be retiring? can't he be retiring? can't we be retiring? can't you be retiring? can't they be retiring?
Perfeito
can't I have retired? can't you have retired? can't he have retired? can't we have retired? can't you have retired? can't they have retired?
Perfeito com V-ing
can't I have been retiring? can't you have been retiring? can't he have been retiring? can't we have been retiring? can't you have been retiring? can't they have been retiring?