English verb conjugation
MUST EXCEPT

Regular verb: except - excepted - excepted

Affirmation

Simple form	V-ing form
I must except you must except she must except we must except you must except they must except	I must be excepting you must be excepting she must be excepting we must be excepting you must be excepting they must be excepting
Perfect	V-ing perfect
I must have excepted you must have excepted she must have excepted we must have excepted you must have excepted they must have excepted	I must have been excepting you must have been excepting she must have been excepting we must have been excepting you must have been excepting they must have been excepting

Negation

Simple form	V-ing form
I must not except you must not except she must not except we must not except you must not except they must not except	I must not be excepting you must not be excepting she must not be excepting we must not be excepting you must not be excepting they must not be excepting
Perfect	V-ing perfect
I must not have excepted you must not have excepted she must not have excepted we must not have excepted you must not have excepted they must not have excepted	I must not have been excepting you must not have been excepting she must not have been excepting we must not have been excepting you must not have been excepting they must not have been excepting

Interrogative form

Simple form	V-ing form
must I except? must you except? must she except? must we except? must you except? must they except?	must I be excepting? must you be excepting? must she be excepting? must we be excepting? must you be excepting? must they be excepting?
Perfect	V-ing perfect
must I have excepted? must you have excepted? must she have excepted? must we have excepted? must you have excepted? must they have excepted?	must I have been excepting? must you have been excepting? must she have been excepting? must we have been excepting? must you have been excepting? must they have been excepting?

Interro-negative form

Simple form	V-ing form
must I not except? must you not except? must she not except? must we not except? must you not except? must they not except?	must I not be excepting? must you not be excepting? must she not be excepting? must we not be excepting? must you not be excepting? must they not be excepting?
Perfect	V-ing perfect
must I not have excepted? must you not have excepted? must she not have excepted? must we not have excepted? must you not have excepted? must they not have excepted?	must I not have been excepting? must you not have been excepting? must she not have been excepting? must we not have been excepting? must you not have been excepting? must they not have been excepting?