English verb conjugation MUST RICHEN

Regular verb: richen - richened - richened

Affirmation

Simple form

I must richen
you must richen
she must richen
we must richen
you must richen
they must richen

V-ing form

I must be richening
you must be richening
she must be richening
we must be richening
you must be richening
they must be richening

Perfect

I must have richened
you must have richened
she must have richened
we must have richened
you must have richened
they must have richened

V-ing perfect

I must have been richening
you must have been richening
she must have been richening
we must have been richening
you must have been richening
they must have been richening

Negation

Simple form

I must not richen
you must not richen
she must not richen
we must not richen
you must not richen
they must not richen

V-ing form

I must not be richening
you must not be richening
she must not be richening
we must not be richening
you must not be richening
they must not be richening

Perfect

I must not have richened
you must not have richened
she must not have richened
we must not have richened
you must not have richened
they must not have richened

V-ing perfect

I must not have been richening
you must not have been richening
she must not have been richening
we must not have been richening
you must not have been richening
they must not have been richening

Interrogative form

Simple form

must I richen?
must you richen?
must she richen?
must we richen?
must you richen?
must they richen?

V-ing form

must I be richening?
must you be richening?
must she be richening?
must we be richening?
must you be richening?
must they be richening?

Perfect

must I have richened?
must you have richened?
must she have richened?
must we have richened?
must you have richened?
must they have richened?

V-ing perfect

must I have been richening?
must you have been richening?
must she have been richening?
must we have been richening?
must you have been richening?
must they have been richening?

Interro-negative form

Simple form

must I not richen?
must you not richen?
must she not richen?
must we not richen?
must you not richen?
must they not richen?

V-ing form

must I not be richening?
must you not be richening?
must she not be richening?
must we not be richening?
must you not be richening?
must they not be richening?

Perfect

must I not have richened?
must you not have richened?
must she not have richened?
must we not have richened?
must you not have richened?
must they not have richened?

V-ing perfect

must I not have been richening?
must you not have been richening?
must she not have been richening?
must we not have been richening?
must you not have been richening?
must they not have been richening?

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