English verb conjugation
MUST UNDERBAKE

Regular verb: underbake - underbaked - underbaked

Affirmation

Simple form	V-ing form
I must underbake you must underbake she must underbake we must underbake you must underbake they must underbake	I must be underbaking you must be underbaking she must be underbaking we must be underbaking you must be underbaking they must be underbaking
Perfect	V-ing perfect
I must have underbaked you must have underbaked she must have underbaked we must have underbaked you must have underbaked they must have underbaked	I must have been underbaking you must have been underbaking she must have been underbaking we must have been underbaking you must have been underbaking they must have been underbaking

Negation

Simple form	V-ing form
I must not underbake you must not underbake she must not underbake we must not underbake you must not underbake they must not underbake	I must not be underbaking you must not be underbaking she must not be underbaking we must not be underbaking you must not be underbaking they must not be underbaking
Perfect	V-ing perfect
I must not have underbaked you must not have underbaked she must not have underbaked we must not have underbaked you must not have underbaked they must not have underbaked	I must not have been underbaking you must not have been underbaking she must not have been underbaking we must not have been underbaking you must not have been underbaking they must not have been underbaking

Interrogative form

Simple form	V-ing form
must I underbake? must you underbake? must she underbake? must we underbake? must you underbake? must they underbake?	must I be underbaking? must you be underbaking? must she be underbaking? must we be underbaking? must you be underbaking? must they be underbaking?
Perfect	V-ing perfect
must I have underbaked? must you have underbaked? must she have underbaked? must we have underbaked? must you have underbaked? must they have underbaked?	must I have been underbaking? must you have been underbaking? must she have been underbaking? must we have been underbaking? must you have been underbaking? must they have been underbaking?

Interro-negative form

Simple form	V-ing form
must I not underbake? must you not underbake? must she not underbake? must we not underbake? must you not underbake? must they not underbake?	must I not be underbaking? must you not be underbaking? must she not be underbaking? must we not be underbaking? must you not be underbaking? must they not be underbaking?
Perfect	V-ing perfect
must I not have underbaked? must you not have underbaked? must she not have underbaked? must we not have underbaked? must you not have underbaked? must they not have underbaked?	must I not have been underbaking? must you not have been underbaking? must she not have been underbaking? must we not have been underbaking? must you not have been underbaking? must they not have been underbaking?