English verb conjugation MUST YUCK

Regular verb: yuck - yucked - yucked

Affirmation

Simple form

I must yuck
you must yuck
she must yuck
we must yuck
you must yuck
they must yuck

V-ing form

I must be yucking
you must be yucking
she must be yucking
we must be yucking
you must be yucking
they must be yucking

Perfect

I must have yucked
you must have yucked
she must have yucked
we must have yucked
you must have yucked
they must have yucked

V-ing perfect

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

Negation

Simple form

I must not yuck
you must not yuck
she must not yuck
we must not yuck
you must not yuck
they must not yuck

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I yuck?
must you yuck?
must she yuck?
must we yuck?
must you yuck?
must they yuck?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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