English verb conjugation
MUST STARCH

Regular verb: starch - starched - starched

Affirmation

Simple form	V-ing form
I must starch you must starch she must starch we must starch you must starch they must starch	I must be starching you must be starching she must be starching we must be starching you must be starching they must be starching
Perfect	V-ing perfect
I must have starched you must have starched she must have starched we must have starched you must have starched they must have starched	I must have been starching you must have been starching she must have been starching we must have been starching you must have been starching they must have been starching

Negation

Simple form	V-ing form
I must not starch you must not starch she must not starch we must not starch you must not starch they must not starch	I must not be starching you must not be starching she must not be starching we must not be starching you must not be starching they must not be starching
Perfect	V-ing perfect
I must not have starched you must not have starched she must not have starched we must not have starched you must not have starched they must not have starched	I must not have been starching you must not have been starching she must not have been starching we must not have been starching you must not have been starching they must not have been starching

Interrogative form

Simple form	V-ing form
must I starch? must you starch? must she starch? must we starch? must you starch? must they starch?	must I be starching? must you be starching? must she be starching? must we be starching? must you be starching? must they be starching?
Perfect	V-ing perfect
must I have starched? must you have starched? must she have starched? must we have starched? must you have starched? must they have starched?	must I have been starching? must you have been starching? must she have been starching? must we have been starching? must you have been starching? must they have been starching?

Interro-negative form

Simple form	V-ing form
must I not starch? must you not starch? must she not starch? must we not starch? must you not starch? must they not starch?	must I not be starching? must you not be starching? must she not be starching? must we not be starching? must you not be starching? must they not be starching?
Perfect	V-ing perfect
must I not have starched? must you not have starched? must she not have starched? must we not have starched? must you not have starched? must they not have starched?	must I not have been starching? must you not have been starching? must she not have been starching? must we not have been starching? must you not have been starching? must they not have been starching?