English verb conjugation
MUST CLANG

Regular verb: clang - clanged - clanged

Affirmation

Simple form	V-ing form
I must clang you must clang he must clang we must clang you must clang they must clang	I must be clanging you must be clanging he must be clanging we must be clanging you must be clanging they must be clanging
Perfect	V-ing perfect
I must have clanged you must have clanged he must have clanged we must have clanged you must have clanged they must have clanged	I must have been clanging you must have been clanging he must have been clanging we must have been clanging you must have been clanging they must have been clanging

Negation

Simple form	V-ing form
I must not clang you must not clang he must not clang we must not clang you must not clang they must not clang	I must not be clanging you must not be clanging he must not be clanging we must not be clanging you must not be clanging they must not be clanging
Perfect	V-ing perfect
I must not have clanged you must not have clanged he must not have clanged we must not have clanged you must not have clanged they must not have clanged	I must not have been clanging you must not have been clanging he must not have been clanging we must not have been clanging you must not have been clanging they must not have been clanging

Interrogative form

Simple form	V-ing form
must I clang? must you clang? must he clang? must we clang? must you clang? must they clang?	must I be clanging? must you be clanging? must he be clanging? must we be clanging? must you be clanging? must they be clanging?
Perfect	V-ing perfect
must I have clanged? must you have clanged? must he have clanged? must we have clanged? must you have clanged? must they have clanged?	must I have been clanging? must you have been clanging? must he have been clanging? must we have been clanging? must you have been clanging? must they have been clanging?

Interro-negative form

Simple form	V-ing form
must I not clang? must you not clang? must he not clang? must we not clang? must you not clang? must they not clang?	must I not be clanging? must you not be clanging? must he not be clanging? must we not be clanging? must you not be clanging? must they not be clanging?
Perfect	V-ing perfect
must I not have clanged? must you not have clanged? must he not have clanged? must we not have clanged? must you not have clanged? must they not have clanged?	must I not have been clanging? must you not have been clanging? must he not have been clanging? must we not have been clanging? must you not have been clanging? must they not have been clanging?