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 mustn't seesaw you mustn't seesaw he mustn't seesaw we mustn't seesaw you mustn't seesaw they mustn't seesaw	I mustn't be seesawing you mustn't be seesawing he mustn't be seesawing we mustn't be seesawing you mustn't be seesawing they mustn't be seesawing
Perfect	V-ing perfect
I mustn't have seesawed you mustn't have seesawed he mustn't have seesawed we mustn't have seesawed you mustn't have seesawed they mustn't have seesawed	I mustn't have been seesawing you mustn't have been seesawing he mustn't have been seesawing we mustn't have been seesawing you mustn't have been seesawing they mustn't 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
mustn't I seesaw? mustn't you seesaw? mustn't he seesaw? mustn't we seesaw? mustn't you seesaw? mustn't they seesaw?	mustn't I be seesawing? mustn't you be seesawing? mustn't he be seesawing? mustn't we be seesawing? mustn't you be seesawing? mustn't they be seesawing?
Perfect	V-ing perfect
mustn't I have seesawed? mustn't you have seesawed? mustn't he have seesawed? mustn't we have seesawed? mustn't you have seesawed? mustn't they have seesawed?	mustn't I have been seesawing? mustn't you have been seesawing? mustn't he have been seesawing? mustn't we have been seesawing? mustn't you have been seesawing? mustn't they have been seesawing?