English verb conjugation
MUST UNDERQUOTE

Regular verb: underquote - underquoted - underquoted

Affirmation

Simple form	V-ing form
I must underquote you must underquote she must underquote we must underquote you must underquote they must underquote	I must be underquoting you must be underquoting she must be underquoting we must be underquoting you must be underquoting they must be underquoting
Perfect	V-ing perfect
I must have underquoted you must have underquoted she must have underquoted we must have underquoted you must have underquoted they must have underquoted	I must have been underquoting you must have been underquoting she must have been underquoting we must have been underquoting you must have been underquoting they must have been underquoting

Negation

Simple form	V-ing form
I must not underquote you must not underquote she must not underquote we must not underquote you must not underquote they must not underquote	I must not be underquoting you must not be underquoting she must not be underquoting we must not be underquoting you must not be underquoting they must not be underquoting
Perfect	V-ing perfect
I must not have underquoted you must not have underquoted she must not have underquoted we must not have underquoted you must not have underquoted they must not have underquoted	I must not have been underquoting you must not have been underquoting she must not have been underquoting we must not have been underquoting you must not have been underquoting they must not have been underquoting

Interrogative form

Simple form	V-ing form
must I underquote? must you underquote? must she underquote? must we underquote? must you underquote? must they underquote?	must I be underquoting? must you be underquoting? must she be underquoting? must we be underquoting? must you be underquoting? must they be underquoting?
Perfect	V-ing perfect
must I have underquoted? must you have underquoted? must she have underquoted? must we have underquoted? must you have underquoted? must they have underquoted?	must I have been underquoting? must you have been underquoting? must she have been underquoting? must we have been underquoting? must you have been underquoting? must they have been underquoting?

Interro-negative form

Simple form	V-ing form
must I not underquote? must you not underquote? must she not underquote? must we not underquote? must you not underquote? must they not underquote?	must I not be underquoting? must you not be underquoting? must she not be underquoting? must we not be underquoting? must you not be underquoting? must they not be underquoting?
Perfect	V-ing perfect
must I not have underquoted? must you not have underquoted? must she not have underquoted? must we not have underquoted? must you not have underquoted? must they not have underquoted?	must I not have been underquoting? must you not have been underquoting? must she not have been underquoting? must we not have been underquoting? must you not have been underquoting? must they not have been underquoting?