English verb conjugation
MUST SEESAW

Regular verb: seesaw - seesawed - seesawed

Affirmation

Simple form	V-ing form
I must seesaw you must seesaw he must seesaw we must seesaw you must seesaw they must seesaw	I must be seesawing you must be seesawing he 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 he 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 he 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 he 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 he 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 he 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 he 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 he seesaw? must we seesaw? must you seesaw? must they seesaw?	must I be seesawing? must you be seesawing? must he 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 he 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 he 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 he 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 he 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 he 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 he not have been seesawing? must we not have been seesawing? must you not have been seesawing? must they not have been seesawing?