I can spoke you can spoke he can spoke we can spoke you can spoke they can spoke
V-ing form
I can be spoking you can be spoking he can be spoking we can be spoking you can be spoking they can be spoking
Perfect
I can have spoked you can have spoked he can have spoked we can have spoked you can have spoked they can have spoked
V-ing perfect
I can have been spoking you can have been spoking he can have been spoking we can have been spoking you can have been spoking they can have been spoking
Negation
Simple form
I can't spoke you can't spoke he can't spoke we can't spoke you can't spoke they can't spoke
V-ing form
I can't be spoking you can't be spoking he can't be spoking we can't be spoking you can't be spoking they can't be spoking
Perfect
I can't have spoked you can't have spoked he can't have spoked we can't have spoked you can't have spoked they can't have spoked
V-ing perfect
I can't have been spoking you can't have been spoking he can't have been spoking we can't have been spoking you can't have been spoking they can't have been spoking
Interrogative form
Simple form
can I spoke? can you spoke? can he spoke? can we spoke? can you spoke? can they spoke?
V-ing form
can I be spoking? can you be spoking? can he be spoking? can we be spoking? can you be spoking? can they be spoking?
Perfect
can I have spoked? can you have spoked? can he have spoked? can we have spoked? can you have spoked? can they have spoked?
V-ing perfect
can I have been spoking? can you have been spoking? can he have been spoking? can we have been spoking? can you have been spoking? can they have been spoking?
Interro-negative form
Simple form
can't I spoke? can't you spoke? can't he spoke? can't we spoke? can't you spoke? can't they spoke?
V-ing form
can't I be spoking? can't you be spoking? can't he be spoking? can't we be spoking? can't you be spoking? can't they be spoking?
Perfect
can't I have spoked? can't you have spoked? can't he have spoked? can't we have spoked? can't you have spoked? can't they have spoked?
V-ing perfect
can't I have been spoking? can't you have been spoking? can't he have been spoking? can't we have been spoking? can't you have been spoking? can't they have been spoking?