I can somersault you can somersault he can somersault we can somersault you can somersault they can somersault
V-ing form
I can be somersaulting you can be somersaulting he can be somersaulting we can be somersaulting you can be somersaulting they can be somersaulting
Perfect
I can have somersaulted you can have somersaulted he can have somersaulted we can have somersaulted you can have somersaulted they can have somersaulted
V-ing perfect
I can have been somersaulting you can have been somersaulting he can have been somersaulting we can have been somersaulting you can have been somersaulting they can have been somersaulting
Negation
Simple form
I cannot somersault you cannot somersault he cannot somersault we cannot somersault you cannot somersault they cannot somersault
V-ing form
I cannot be somersaulting you cannot be somersaulting he cannot be somersaulting we cannot be somersaulting you cannot be somersaulting they cannot be somersaulting
Perfect
I cannot have somersaulted you cannot have somersaulted he cannot have somersaulted we cannot have somersaulted you cannot have somersaulted they cannot have somersaulted
V-ing perfect
I cannot have been somersaulting you cannot have been somersaulting he cannot have been somersaulting we cannot have been somersaulting you cannot have been somersaulting they cannot have been somersaulting
Interrogative form
Simple form
can I somersault? can you somersault? can he somersault? can we somersault? can you somersault? can they somersault?
V-ing form
can I be somersaulting? can you be somersaulting? can he be somersaulting? can we be somersaulting? can you be somersaulting? can they be somersaulting?
Perfect
can I have somersaulted? can you have somersaulted? can he have somersaulted? can we have somersaulted? can you have somersaulted? can they have somersaulted?
V-ing perfect
can I have been somersaulting? can you have been somersaulting? can he have been somersaulting? can we have been somersaulting? can you have been somersaulting? can they have been somersaulting?
Interro-negative form
Simple form
can I not somersault? can you not somersault? can he not somersault? can we not somersault? can you not somersault? can they not somersault?
V-ing form
can I not be somersaulting? can you not be somersaulting? can he not be somersaulting? can we not be somersaulting? can you not be somersaulting? can they not be somersaulting?
Perfect
can I not have somersaulted? can you not have somersaulted? can he not have somersaulted? can we not have somersaulted? can you not have somersaulted? can they not have somersaulted?
V-ing perfect
can I not have been somersaulting? can you not have been somersaulting? can he not have been somersaulting? can we not have been somersaulting? can you not have been somersaulting? can they not have been somersaulting?