English verb conjugation MUST YARN

Regular verb: yarn - yarned - yarned

Affirmation

Simple form

I must yarn
you must yarn
she must yarn
we must yarn
you must yarn
they must yarn

V-ing form

I must be yarning
you must be yarning
she must be yarning
we must be yarning
you must be yarning
they must be yarning

Perfect

I must have yarned
you must have yarned
she must have yarned
we must have yarned
you must have yarned
they must have yarned

V-ing perfect

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

Negation

Simple form

I must not yarn
you must not yarn
she must not yarn
we must not yarn
you must not yarn
they must not yarn

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I yarn?
must you yarn?
must she yarn?
must we yarn?
must you yarn?
must they yarn?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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