can seesaw
Regular verb: seesaw - seesawed- seesawed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can seesaw
you can seesaw
she can seesaw
we can seesaw
you can seesaw
they can seesaw 	I can be seesawing
you can be seesawing
she can be seesawing
we can be seesawing
you can be seesawing
they can be seesawing	I can have seesawed
you can have seesawed
she can have seesawed
we can have seesawed
you can have seesawed
they can have seesawed	I can have been seesawing
you can have been seesawing
she can have been seesawing
we can have been seesawing
you can have been seesawing
they can have been seesawing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't seesaw
you can't seesaw
she can't seesaw
we can't seesaw
you can't seesaw
they can't seesaw 	I can't be seesawing
you can't be seesawing
she can't be seesawing
we can't be seesawing
you can't be seesawing
they can't be seesawing	I can't have seesawed
you can't have seesawed
she can't have seesawed
we can't have seesawed
you can't have seesawed
they can't have seesawed	I can't have been seesawing
you can't have been seesawing
she can't have been seesawing
we can't have been seesawing
you can't have been seesawing
they can't have been seesawing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I seesaw?
can you seesaw?
can she seesaw?
can we seesaw?
can you seesaw?
can they seesaw? 	can I be seesawing?
can you be seesawing?
can she be seesawing?
can we be seesawing?
can you be seesawing?
can they be seesawing? 	can I have seesawed?
can you have seesawed?
can she have seesawed?
can we have seesawed?
can you have seesawed?
can they have seesawed? 	can I have been seesawing?
can you have been seesawing?
can she have been seesawing?
can we have been seesawing?
can you have been seesawing?
can they have been seesawing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I seesaw?
can't you seesaw?
can't she seesaw?
can't we seesaw?
can't you seesaw?
can't they seesaw? 	can't I be seesawing?
can't you be seesawing?
can't she be seesawing?
can't we be seesawing?
can't you be seesawing?
can't they be seesawing? 	can't I have seesawed?
can't you have seesawed?
can't she have seesawed?
can't we have seesawed?
can't you have seesawed?
can't they have seesawed? 	can't I have been seesawing?
can't you have been seesawing?
can't she have been seesawing?
can't we have been seesawing?
can't you have been seesawing?
can't they have been seesawing?