I can import you can import he can import we can import you can import they can import
Forma con V-ing
I can be importing you can be importing he can be importing we can be importing you can be importing they can be importing
Perfecto
I can have imported you can have imported he can have imported we can have imported you can have imported they can have imported
Perfecto con V-ing
I can have been importing you can have been importing he can have been importing we can have been importing you can have been importing they can have been importing
Negación
Forma simple
I can't import you can't import he can't import we can't import you can't import they can't import
Forma con V-ing
I can't be importing you can't be importing he can't be importing we can't be importing you can't be importing they can't be importing
Perfecto
I can't have imported you can't have imported he can't have imported we can't have imported you can't have imported they can't have imported
Perfecto con V-ing
I can't have been importing you can't have been importing he can't have been importing we can't have been importing you can't have been importing they can't have been importing
Forma interrogativa
Forma simple
can I import? can you import? can he import? can we import? can you import? can they import?
Forma con V-ing
can I be importing? can you be importing? can he be importing? can we be importing? can you be importing? can they be importing?
Perfecto
can I have imported? can you have imported? can he have imported? can we have imported? can you have imported? can they have imported?
Perfecto con V-ing
can I have been importing? can you have been importing? can he have been importing? can we have been importing? can you have been importing? can they have been importing?
Forma interro-negativa
Forma simple
can't I import? can't you import? can't he import? can't we import? can't you import? can't they import?
Forma con V-ing
can't I be importing? can't you be importing? can't he be importing? can't we be importing? can't you be importing? can't they be importing?
Perfecto
can't I have imported? can't you have imported? can't he have imported? can't we have imported? can't you have imported? can't they have imported?
Perfecto con V-ing
can't I have been importing? can't you have been importing? can't he have been importing? can't we have been importing? can't you have been importing? can't they have been importing?