I can insert you can insert he can insert we can insert you can insert they can insert
Forma con V-ing
I can be inserting you can be inserting he can be inserting we can be inserting you can be inserting they can be inserting
Perfecto
I can have inserted you can have inserted he can have inserted we can have inserted you can have inserted they can have inserted
Perfecto con V-ing
I can have been inserting you can have been inserting he can have been inserting we can have been inserting you can have been inserting they can have been inserting
Negación
Forma simple
I can't insert you can't insert he can't insert we can't insert you can't insert they can't insert
Forma con V-ing
I can't be inserting you can't be inserting he can't be inserting we can't be inserting you can't be inserting they can't be inserting
Perfecto
I can't have inserted you can't have inserted he can't have inserted we can't have inserted you can't have inserted they can't have inserted
Perfecto con V-ing
I can't have been inserting you can't have been inserting he can't have been inserting we can't have been inserting you can't have been inserting they can't have been inserting
Forma interrogativa
Forma simple
can I insert? can you insert? can he insert? can we insert? can you insert? can they insert?
Forma con V-ing
can I be inserting? can you be inserting? can he be inserting? can we be inserting? can you be inserting? can they be inserting?
Perfecto
can I have inserted? can you have inserted? can he have inserted? can we have inserted? can you have inserted? can they have inserted?
Perfecto con V-ing
can I have been inserting? can you have been inserting? can he have been inserting? can we have been inserting? can you have been inserting? can they have been inserting?
Forma interro-negativa
Forma simple
can't I insert? can't you insert? can't he insert? can't we insert? can't you insert? can't they insert?
Forma con V-ing
can't I be inserting? can't you be inserting? can't he be inserting? can't we be inserting? can't you be inserting? can't they be inserting?
Perfecto
can't I have inserted? can't you have inserted? can't he have inserted? can't we have inserted? can't you have inserted? can't they have inserted?
Perfecto con V-ing
can't I have been inserting? can't you have been inserting? can't he have been inserting? can't we have been inserting? can't you have been inserting? can't they have been inserting?