English verb conjugation
MUST SWING

Irregular verb: swing - swung - swung

Affirmation

Simple form	V-ing form
I must swing you must swing she must swing we must swing you must swing they must swing	I must be swinging you must be swinging she must be swinging we must be swinging you must be swinging they must be swinging
Perfect	V-ing perfect
I must have swung you must have swung she must have swung we must have swung you must have swung they must have swung	I must have been swinging you must have been swinging she must have been swinging we must have been swinging you must have been swinging they must have been swinging

Negation

Simple form	V-ing form
I must not swing you must not swing she must not swing we must not swing you must not swing they must not swing	I must not be swinging you must not be swinging she must not be swinging we must not be swinging you must not be swinging they must not be swinging
Perfect	V-ing perfect
I must not have swung you must not have swung she must not have swung we must not have swung you must not have swung they must not have swung	I must not have been swinging you must not have been swinging she must not have been swinging we must not have been swinging you must not have been swinging they must not have been swinging

Interrogative form

Simple form	V-ing form
must I swing? must you swing? must she swing? must we swing? must you swing? must they swing?	must I be swinging? must you be swinging? must she be swinging? must we be swinging? must you be swinging? must they be swinging?
Perfect	V-ing perfect
must I have swung? must you have swung? must she have swung? must we have swung? must you have swung? must they have swung?	must I have been swinging? must you have been swinging? must she have been swinging? must we have been swinging? must you have been swinging? must they have been swinging?

Interro-negative form

Simple form	V-ing form
must I not swing? must you not swing? must she not swing? must we not swing? must you not swing? must they not swing?	must I not be swinging? must you not be swinging? must she not be swinging? must we not be swinging? must you not be swinging? must they not be swinging?
Perfect	V-ing perfect
must I not have swung? must you not have swung? must she not have swung? must we not have swung? must you not have swung? must they not have swung?	must I not have been swinging? must you not have been swinging? must she not have been swinging? must we not have been swinging? must you not have been swinging? must they not have been swinging?