English verb conjugation
CAN SUMMERSAULT

Regular verb: summersault - summersaulted - summersaulted

Affirmation

Simple form	V-ing form
I can summersault you can summersault he can summersault we can summersault you can summersault they can summersault	I can be summersaulting you can be summersaulting he can be summersaulting we can be summersaulting you can be summersaulting they can be summersaulting
Perfect	V-ing perfect
I can have summersaulted you can have summersaulted he can have summersaulted we can have summersaulted you can have summersaulted they can have summersaulted	I can have been summersaulting you can have been summersaulting he can have been summersaulting we can have been summersaulting you can have been summersaulting they can have been summersaulting

Negation

Simple form	V-ing form
I can't summersault you can't summersault he can't summersault we can't summersault you can't summersault they can't summersault	I can't be summersaulting you can't be summersaulting he can't be summersaulting we can't be summersaulting you can't be summersaulting they can't be summersaulting
Perfect	V-ing perfect
I can't have summersaulted you can't have summersaulted he can't have summersaulted we can't have summersaulted you can't have summersaulted they can't have summersaulted	I can't have been summersaulting you can't have been summersaulting he can't have been summersaulting we can't have been summersaulting you can't have been summersaulting they can't have been summersaulting

Interrogative form

Simple form	V-ing form
can I summersault? can you summersault? can he summersault? can we summersault? can you summersault? can they summersault?	can I be summersaulting? can you be summersaulting? can he be summersaulting? can we be summersaulting? can you be summersaulting? can they be summersaulting?
Perfect	V-ing perfect
can I have summersaulted? can you have summersaulted? can he have summersaulted? can we have summersaulted? can you have summersaulted? can they have summersaulted?	can I have been summersaulting? can you have been summersaulting? can he have been summersaulting? can we have been summersaulting? can you have been summersaulting? can they have been summersaulting?

Interro-negative form

Simple form	V-ing form
can't I summersault? can't you summersault? can't he summersault? can't we summersault? can't you summersault? can't they summersault?	can't I be summersaulting? can't you be summersaulting? can't he be summersaulting? can't we be summersaulting? can't you be summersaulting? can't they be summersaulting?
Perfect	V-ing perfect
can't I have summersaulted? can't you have summersaulted? can't he have summersaulted? can't we have summersaulted? can't you have summersaulted? can't they have summersaulted?	can't I have been summersaulting? can't you have been summersaulting? can't he have been summersaulting? can't we have been summersaulting? can't you have been summersaulting? can't they have been summersaulting?