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 can't somersault you can't somersault he can't somersault we can't somersault you can't somersault they can't somersault
V-ing form
I can't be somersaulting you can't be somersaulting he can't be somersaulting we can't be somersaulting you can't be somersaulting they can't be somersaulting
Perfect
I can't have somersaulted you can't have somersaulted he can't have somersaulted we can't have somersaulted you can't have somersaulted they can't have somersaulted
V-ing perfect
I can't have been somersaulting you can't have been somersaulting he can't have been somersaulting we can't have been somersaulting you can't have been somersaulting they can't 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't I somersault? can't you somersault? can't he somersault? can't we somersault? can't you somersault? can't they somersault?
V-ing form
can't I be somersaulting? can't you be somersaulting? can't he be somersaulting? can't we be somersaulting? can't you be somersaulting? can't they be somersaulting?
Perfect
can't I have somersaulted? can't you have somersaulted? can't he have somersaulted? can't we have somersaulted? can't you have somersaulted? can't they have somersaulted?
V-ing perfect
can't I have been somersaulting? can't you have been somersaulting? can't he have been somersaulting? can't we have been somersaulting? can't you have been somersaulting? can't they have been somersaulting?