English verb conjugation
COULD SEESAW

Regular verb: seesaw - seesawed - seesawed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?