I can count you can count he can count we can count you can count they can count
Forma con V-ing
I can be counting you can be counting he can be counting we can be counting you can be counting they can be counting
Perfecto
I can have counted you can have counted he can have counted we can have counted you can have counted they can have counted
Perfecto con V-ing
I can have been counting you can have been counting he can have been counting we can have been counting you can have been counting they can have been counting
Negación
Forma simple
I can't count you can't count he can't count we can't count you can't count they can't count
Forma con V-ing
I can't be counting you can't be counting he can't be counting we can't be counting you can't be counting they can't be counting
Perfecto
I can't have counted you can't have counted he can't have counted we can't have counted you can't have counted they can't have counted
Perfecto con V-ing
I can't have been counting you can't have been counting he can't have been counting we can't have been counting you can't have been counting they can't have been counting
Forma interrogativa
Forma simple
can I count? can you count? can he count? can we count? can you count? can they count?
Forma con V-ing
can I be counting? can you be counting? can he be counting? can we be counting? can you be counting? can they be counting?
Perfecto
can I have counted? can you have counted? can he have counted? can we have counted? can you have counted? can they have counted?
Perfecto con V-ing
can I have been counting? can you have been counting? can he have been counting? can we have been counting? can you have been counting? can they have been counting?
Forma interro-negativa
Forma simple
can't I count? can't you count? can't he count? can't we count? can't you count? can't they count?
Forma con V-ing
can't I be counting? can't you be counting? can't he be counting? can't we be counting? can't you be counting? can't they be counting?
Perfecto
can't I have counted? can't you have counted? can't he have counted? can't we have counted? can't you have counted? can't they have counted?
Perfecto con V-ing
can't I have been counting? can't you have been counting? can't he have been counting? can't we have been counting? can't you have been counting? can't they have been counting?