I can button you can button he can button we can button you can button they can button
Forma con V-ing
I can be buttoning you can be buttoning he can be buttoning we can be buttoning you can be buttoning they can be buttoning
Perfetto
I can have buttoned you can have buttoned he can have buttoned we can have buttoned you can have buttoned they can have buttoned
Perfetto con V-ing
I can have been buttoning you can have been buttoning he can have been buttoning we can have been buttoning you can have been buttoning they can have been buttoning
Negazione
Forma semplice
I can't button you can't button he can't button we can't button you can't button they can't button
Forma con V-ing
I can't be buttoning you can't be buttoning he can't be buttoning we can't be buttoning you can't be buttoning they can't be buttoning
Perfetto
I can't have buttoned you can't have buttoned he can't have buttoned we can't have buttoned you can't have buttoned they can't have buttoned
Perfetto con V-ing
I can't have been buttoning you can't have been buttoning he can't have been buttoning we can't have been buttoning you can't have been buttoning they can't have been buttoning
Forma interrogativa
Forma semplice
can I button? can you button? can he button? can we button? can you button? can they button?
Forma con V-ing
can I be buttoning? can you be buttoning? can he be buttoning? can we be buttoning? can you be buttoning? can they be buttoning?
Perfetto
can I have buttoned? can you have buttoned? can he have buttoned? can we have buttoned? can you have buttoned? can they have buttoned?
Perfetto con V-ing
can I have been buttoning? can you have been buttoning? can he have been buttoning? can we have been buttoning? can you have been buttoning? can they have been buttoning?
Forma interro-negativa
Forma semplice
can't I button? can't you button? can't he button? can't we button? can't you button? can't they button?
Forma con V-ing
can't I be buttoning? can't you be buttoning? can't he be buttoning? can't we be buttoning? can't you be buttoning? can't they be buttoning?
Perfetto
can't I have buttoned? can't you have buttoned? can't he have buttoned? can't we have buttoned? can't you have buttoned? can't they have buttoned?
Perfetto con V-ing
can't I have been buttoning? can't you have been buttoning? can't he have been buttoning? can't we have been buttoning? can't you have been buttoning? can't they have been buttoning?