I can leaf you can leaf he can leaf we can leaf you can leaf they can leaf
Forma con V-ing
I can be leafing you can be leafing he can be leafing we can be leafing you can be leafing they can be leafing
Perfecto
I can have leafed you can have leafed he can have leafed we can have leafed you can have leafed they can have leafed
Perfecto con V-ing
I can have been leafing you can have been leafing he can have been leafing we can have been leafing you can have been leafing they can have been leafing
Negación
Forma simple
I can't leaf you can't leaf he can't leaf we can't leaf you can't leaf they can't leaf
Forma con V-ing
I can't be leafing you can't be leafing he can't be leafing we can't be leafing you can't be leafing they can't be leafing
Perfecto
I can't have leafed you can't have leafed he can't have leafed we can't have leafed you can't have leafed they can't have leafed
Perfecto con V-ing
I can't have been leafing you can't have been leafing he can't have been leafing we can't have been leafing you can't have been leafing they can't have been leafing
Forma interrogativa
Forma simple
can I leaf? can you leaf? can he leaf? can we leaf? can you leaf? can they leaf?
Forma con V-ing
can I be leafing? can you be leafing? can he be leafing? can we be leafing? can you be leafing? can they be leafing?
Perfecto
can I have leafed? can you have leafed? can he have leafed? can we have leafed? can you have leafed? can they have leafed?
Perfecto con V-ing
can I have been leafing? can you have been leafing? can he have been leafing? can we have been leafing? can you have been leafing? can they have been leafing?
Forma interro-negativa
Forma simple
can't I leaf? can't you leaf? can't he leaf? can't we leaf? can't you leaf? can't they leaf?
Forma con V-ing
can't I be leafing? can't you be leafing? can't he be leafing? can't we be leafing? can't you be leafing? can't they be leafing?
Perfecto
can't I have leafed? can't you have leafed? can't he have leafed? can't we have leafed? can't you have leafed? can't they have leafed?
Perfecto con V-ing
can't I have been leafing? can't you have been leafing? can't he have been leafing? can't we have been leafing? can't you have been leafing? can't they have been leafing?