English verb conjugation
MUST SEESAW

Regular verb: seesaw - seesawed - seesawed

Affirmation

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

Negation

Simple form	V-ing form
I must not seesaw you must not seesaw she must not seesaw we must not seesaw you must not seesaw they must not seesaw	I must not be seesawing you must not be seesawing she must not be seesawing we must not be seesawing you must not be seesawing they must not be seesawing
Perfect	V-ing perfect
I must not have seesawed you must not have seesawed she must not have seesawed we must not have seesawed you must not have seesawed they must not have seesawed	I must not have been seesawing you must not have been seesawing she must not have been seesawing we must not have been seesawing you must not have been seesawing they must not have been seesawing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
must I not seesaw? must you not seesaw? must she not seesaw? must we not seesaw? must you not seesaw? must they not seesaw?	must I not be seesawing? must you not be seesawing? must she not be seesawing? must we not be seesawing? must you not be seesawing? must they not be seesawing?
Perfect	V-ing perfect
must I not have seesawed? must you not have seesawed? must she not have seesawed? must we not have seesawed? must you not have seesawed? must they not have seesawed?	must I not have been seesawing? must you not have been seesawing? must she not have been seesawing? must we not have been seesawing? must you not have been seesawing? must they not have been seesawing?