English verb conjugation MUST WATER-SKI

Regular verb: water-ski - water-skied - water-skied

Affirmation

Simple form

I must water-ski
you must water-ski
he must water-ski
we must water-ski
you must water-ski
they must water-ski

V-ing form

I must be water-skiing
you must be water-skiing
he must be water-skiing
we must be water-skiing
you must be water-skiing
they must be water-skiing

Perfect

I must have water-skied
you must have water-skied
he must have water-skied
we must have water-skied
you must have water-skied
they must have water-skied

V-ing perfect

I must have been water-skiing
you must have been water-skiing
he must have been water-skiing
we must have been water-skiing
you must have been water-skiing
they must have been water-skiing

Negation

Simple form

I must not water-ski
you must not water-ski
he must not water-ski
we must not water-ski
you must not water-ski
they must not water-ski

V-ing form

I must not be water-skiing
you must not be water-skiing
he must not be water-skiing
we must not be water-skiing
you must not be water-skiing
they must not be water-skiing

Perfect

I must not have water-skied
you must not have water-skied
he must not have water-skied
we must not have water-skied
you must not have water-skied
they must not have water-skied

V-ing perfect

I must not have been water-skiing
you must not have been water-skiing
he must not have been water-skiing
we must not have been water-skiing
you must not have been water-skiing
they must not have been water-skiing

Interrogative form

Simple form

must I water-ski?
must you water-ski?
must he water-ski?
must we water-ski?
must you water-ski?
must they water-ski?

V-ing form

must I be water-skiing?
must you be water-skiing?
must he be water-skiing?
must we be water-skiing?
must you be water-skiing?
must they be water-skiing?

Perfect

must I have water-skied?
must you have water-skied?
must he have water-skied?
must we have water-skied?
must you have water-skied?
must they have water-skied?

V-ing perfect

must I have been water-skiing?
must you have been water-skiing?
must he have been water-skiing?
must we have been water-skiing?
must you have been water-skiing?
must they have been water-skiing?

Interro-negative form

Simple form

must I not water-ski?
must you not water-ski?
must he not water-ski?
must we not water-ski?
must you not water-ski?
must they not water-ski?

V-ing form

must I not be water-skiing?
must you not be water-skiing?
must he not be water-skiing?
must we not be water-skiing?
must you not be water-skiing?
must they not be water-skiing?

Perfect

must I not have water-skied?
must you not have water-skied?
must he not have water-skied?
must we not have water-skied?
must you not have water-skied?
must they not have water-skied?

V-ing perfect

must I not have been water-skiing?
must you not have been water-skiing?
must he not have been water-skiing?
must we not have been water-skiing?
must you not have been water-skiing?
must they not have been water-skiing?

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