I can fly you can fly he can fly we can fly you can fly they can fly
Forma con V-ing
I can be flying you can be flying he can be flying we can be flying you can be flying they can be flying
Perfecto
I can have flown you can have flown he can have flown we can have flown you can have flown they can have flown
Perfecto con V-ing
I can have been flying you can have been flying he can have been flying we can have been flying you can have been flying they can have been flying
Negación
Forma simple
I can't fly you can't fly he can't fly we can't fly you can't fly they can't fly
Forma con V-ing
I can't be flying you can't be flying he can't be flying we can't be flying you can't be flying they can't be flying
Perfecto
I can't have flown you can't have flown he can't have flown we can't have flown you can't have flown they can't have flown
Perfecto con V-ing
I can't have been flying you can't have been flying he can't have been flying we can't have been flying you can't have been flying they can't have been flying
Forma interrogativa
Forma simple
can I fly? can you fly? can he fly? can we fly? can you fly? can they fly?
Forma con V-ing
can I be flying? can you be flying? can he be flying? can we be flying? can you be flying? can they be flying?
Perfecto
can I have flown? can you have flown? can he have flown? can we have flown? can you have flown? can they have flown?
Perfecto con V-ing
can I have been flying? can you have been flying? can he have been flying? can we have been flying? can you have been flying? can they have been flying?
Forma interro-negativa
Forma simple
can't I fly? can't you fly? can't he fly? can't we fly? can't you fly? can't they fly?
Forma con V-ing
can't I be flying? can't you be flying? can't he be flying? can't we be flying? can't you be flying? can't they be flying?
Perfecto
can't I have flown? can't you have flown? can't he have flown? can't we have flown? can't you have flown? can't they have flown?
Perfecto con V-ing
can't I have been flying? can't you have been flying? can't he have been flying? can't we have been flying? can't you have been flying? can't they have been flying?