I can obtain you can obtain he can obtain we can obtain you can obtain they can obtain
Forma con V-ing
I can be obtaining you can be obtaining he can be obtaining we can be obtaining you can be obtaining they can be obtaining
Perfecto
I can have obtained you can have obtained he can have obtained we can have obtained you can have obtained they can have obtained
Perfecto con V-ing
I can have been obtaining you can have been obtaining he can have been obtaining we can have been obtaining you can have been obtaining they can have been obtaining
Negación
Forma simple
I can't obtain you can't obtain he can't obtain we can't obtain you can't obtain they can't obtain
Forma con V-ing
I can't be obtaining you can't be obtaining he can't be obtaining we can't be obtaining you can't be obtaining they can't be obtaining
Perfecto
I can't have obtained you can't have obtained he can't have obtained we can't have obtained you can't have obtained they can't have obtained
Perfecto con V-ing
I can't have been obtaining you can't have been obtaining he can't have been obtaining we can't have been obtaining you can't have been obtaining they can't have been obtaining
Forma interrogativa
Forma simple
can I obtain? can you obtain? can he obtain? can we obtain? can you obtain? can they obtain?
Forma con V-ing
can I be obtaining? can you be obtaining? can he be obtaining? can we be obtaining? can you be obtaining? can they be obtaining?
Perfecto
can I have obtained? can you have obtained? can he have obtained? can we have obtained? can you have obtained? can they have obtained?
Perfecto con V-ing
can I have been obtaining? can you have been obtaining? can he have been obtaining? can we have been obtaining? can you have been obtaining? can they have been obtaining?
Forma interro-negativa
Forma simple
can't I obtain? can't you obtain? can't he obtain? can't we obtain? can't you obtain? can't they obtain?
Forma con V-ing
can't I be obtaining? can't you be obtaining? can't he be obtaining? can't we be obtaining? can't you be obtaining? can't they be obtaining?
Perfecto
can't I have obtained? can't you have obtained? can't he have obtained? can't we have obtained? can't you have obtained? can't they have obtained?
Perfecto con V-ing
can't I have been obtaining? can't you have been obtaining? can't he have been obtaining? can't we have been obtaining? can't you have been obtaining? can't they have been obtaining?