can summersault
Regular verb: summersault - summersaulted- summersaulted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can summersault
you can summersault
she can summersault
we can summersault
you can summersault
they can summersault 	I can be summersaulting
you can be summersaulting
she can be summersaulting
we can be summersaulting
you can be summersaulting
they can be summersaulting	I can have summersaulted
you can have summersaulted
she 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
she 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 	Perfect 	V-ing perfect 	
I cannot summersault
you cannot summersault
she cannot summersault
we cannot summersault
you cannot summersault
they cannot summersault 	I cannot be summersaulting
you cannot be summersaulting
she cannot be summersaulting
we cannot be summersaulting
you cannot be summersaulting
they cannot be summersaulting	I cannot have summersaulted
you cannot have summersaulted
she cannot have summersaulted
we cannot have summersaulted
you cannot have summersaulted
they cannot have summersaulted	I cannot have been summersaulting
you cannot have been summersaulting
she cannot have been summersaulting
we cannot have been summersaulting
you cannot have been summersaulting
they cannot have been summersaulting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I summersault?
can you summersault?
can she summersault?
can we summersault?
can you summersault?
can they summersault? 	can I be summersaulting?
can you be summersaulting?
can she be summersaulting?
can we be summersaulting?
can you be summersaulting?
can they be summersaulting? 	can I have summersaulted?
can you have summersaulted?
can she 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 she 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 	Perfect 	V-ing perfect 	
can I not summersault?
can you not summersault?
can she not summersault?
can we not summersault?
can you not summersault?
can they not summersault? 	can I not be summersaulting?
can you not be summersaulting?
can she not be summersaulting?
can we not be summersaulting?
can you not be summersaulting?
can they not be summersaulting? 	can I not have summersaulted?
can you not have summersaulted?
can she not have summersaulted?
can we not have summersaulted?
can you not have summersaulted?
can they not have summersaulted? 	can I not have been summersaulting?
can you not have been summersaulting?
can she not have been summersaulting?
can we not have been summersaulting?
can you not have been summersaulting?
can they not have been summersaulting?