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 cannot spoke you cannot spoke he cannot spoke we cannot spoke you cannot spoke they cannot spoke
V-ing form
I cannot be spoking you cannot be spoking he cannot be spoking we cannot be spoking you cannot be spoking they cannot be spoking
Perfect
I cannot have spoked you cannot have spoked he cannot have spoked we cannot have spoked you cannot have spoked they cannot have spoked
V-ing perfect
I cannot have been spoking you cannot have been spoking he cannot have been spoking we cannot have been spoking you cannot have been spoking they cannot 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 I not spoke? can you not spoke? can he not spoke? can we not spoke? can you not spoke? can they not spoke?
V-ing form
can I not be spoking? can you not be spoking? can he not be spoking? can we not be spoking? can you not be spoking? can they not be spoking?
Perfect
can I not have spoked? can you not have spoked? can he not have spoked? can we not have spoked? can you not have spoked? can they not have spoked?
V-ing perfect
can I not have been spoking? can you not have been spoking? can he not have been spoking? can we not have been spoking? can you not have been spoking? can they not have been spoking?