English verb conjugation
MUST CLOWN

Regular verb: clown - clowned - clowned

Affirmation

Simple form	V-ing form
I must clown you must clown he must clown we must clown you must clown they must clown	I must be clowning you must be clowning he must be clowning we must be clowning you must be clowning they must be clowning
Perfect	V-ing perfect
I must have clowned you must have clowned he must have clowned we must have clowned you must have clowned they must have clowned	I must have been clowning you must have been clowning he must have been clowning we must have been clowning you must have been clowning they must have been clowning

Negation

Simple form	V-ing form
I must not clown you must not clown he must not clown we must not clown you must not clown they must not clown	I must not be clowning you must not be clowning he must not be clowning we must not be clowning you must not be clowning they must not be clowning
Perfect	V-ing perfect
I must not have clowned you must not have clowned he must not have clowned we must not have clowned you must not have clowned they must not have clowned	I must not have been clowning you must not have been clowning he must not have been clowning we must not have been clowning you must not have been clowning they must not have been clowning

Interrogative form

Simple form	V-ing form
must I clown? must you clown? must he clown? must we clown? must you clown? must they clown?	must I be clowning? must you be clowning? must he be clowning? must we be clowning? must you be clowning? must they be clowning?
Perfect	V-ing perfect
must I have clowned? must you have clowned? must he have clowned? must we have clowned? must you have clowned? must they have clowned?	must I have been clowning? must you have been clowning? must he have been clowning? must we have been clowning? must you have been clowning? must they have been clowning?

Interro-negative form

Simple form	V-ing form
must I not clown? must you not clown? must he not clown? must we not clown? must you not clown? must they not clown?	must I not be clowning? must you not be clowning? must he not be clowning? must we not be clowning? must you not be clowning? must they not be clowning?
Perfect	V-ing perfect
must I not have clowned? must you not have clowned? must he not have clowned? must we not have clowned? must you not have clowned? must they not have clowned?	must I not have been clowning? must you not have been clowning? must he not have been clowning? must we not have been clowning? must you not have been clowning? must they not have been clowning?