could seesaw
Verbo regular: seesaw - seesawed- seesawed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could seesaw
you could seesaw
he could seesaw
we could seesaw
you could seesaw
they could seesaw 	I could be seesawing
you could be seesawing
he could be seesawing
we could be seesawing
you could be seesawing
they could be seesawing	I could have seesawed
you could have seesawed
he could have seesawed
we could have seesawed
you could have seesawed
they could have seesawed	I could have been seesawing
you could have been seesawing
he could have been seesawing
we could have been seesawing
you could have been seesawing
they could have been seesawing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not seesaw
you could not seesaw
he could not seesaw
we could not seesaw
you could not seesaw
they could not seesaw 	I could not be seesawing
you could not be seesawing
he could not be seesawing
we could not be seesawing
you could not be seesawing
they could not be seesawing	I could not have seesawed
you could not have seesawed
he could not have seesawed
we could not have seesawed
you could not have seesawed
they could not have seesawed	I could not have been seesawing
you could not have been seesawing
he could not have been seesawing
we could not have been seesawing
you could not have been seesawing
they could not have been seesawing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I seesaw?
could you seesaw?
could he seesaw?
could we seesaw?
could you seesaw?
could they seesaw? 	could I be seesawing?
could you be seesawing?
could he be seesawing?
could we be seesawing?
could you be seesawing?
could they be seesawing? 	could I have seesawed?
could you have seesawed?
could he have seesawed?
could we have seesawed?
could you have seesawed?
could they have seesawed? 	could I have been seesawing?
could you have been seesawing?
could he have been seesawing?
could we have been seesawing?
could you have been seesawing?
could they have been seesawing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not seesaw?
could you not seesaw?
could he not seesaw?
could we not seesaw?
could you not seesaw?
could they not seesaw? 	could I not be seesawing?
could you not be seesawing?
could he not be seesawing?
could we not be seesawing?
could you not be seesawing?
could they not be seesawing? 	could I not have seesawed?
could you not have seesawed?
could he not have seesawed?
could we not have seesawed?
could you not have seesawed?
could they not have seesawed? 	could I not have been seesawing?
could you not have been seesawing?
could he not have been seesawing?
could we not have been seesawing?
could you not have been seesawing?
could they not have been seesawing?