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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST SKI

Regular verb: ski - skied - skied


Affirmation

Simple form
I must ski
you must ski
she must ski
we must ski
you must ski
they must ski
V-ing form
I must be skiing
you must be skiing
she must be skiing
we must be skiing
you must be skiing
they must be skiing
Perfect
I must have skied
you must have skied
she must have skied
we must have skied
you must have skied
they must have skied
V-ing perfect
I must have been skiing
you must have been skiing
she must have been skiing
we must have been skiing
you must have been skiing
they must have been skiing

Negation

Simple form
I mustn't ski
you mustn't ski
she mustn't ski
we mustn't ski
you mustn't ski
they mustn't ski
V-ing form
I mustn't be skiing
you mustn't be skiing
she mustn't be skiing
we mustn't be skiing
you mustn't be skiing
they mustn't be skiing
Perfect
I mustn't have skied
you mustn't have skied
she mustn't have skied
we mustn't have skied
you mustn't have skied
they mustn't have skied
V-ing perfect
I mustn't have been skiing
you mustn't have been skiing
she mustn't have been skiing
we mustn't have been skiing
you mustn't have been skiing
they mustn't have been skiing

Interrogative form

Simple form
must I ski?
must you ski?
must she ski?
must we ski?
must you ski?
must they ski?
V-ing form
must I be skiing?
must you be skiing?
must she be skiing?
must we be skiing?
must you be skiing?
must they be skiing?
Perfect
must I have skied?
must you have skied?
must she have skied?
must we have skied?
must you have skied?
must they have skied?
V-ing perfect
must I have been skiing?
must you have been skiing?
must she have been skiing?
must we have been skiing?
must you have been skiing?
must they have been skiing?

Interro-negative form

Simple form
mustn't I ski?
mustn't you ski?
mustn't she ski?
mustn't we ski?
mustn't you ski?
mustn't they ski?
V-ing form
mustn't I be skiing?
mustn't you be skiing?
mustn't she be skiing?
mustn't we be skiing?
mustn't you be skiing?
mustn't they be skiing?
Perfect
mustn't I have skied?
mustn't you have skied?
mustn't she have skied?
mustn't we have skied?
mustn't you have skied?
mustn't they have skied?
V-ing perfect
mustn't I have been skiing?
mustn't you have been skiing?
mustn't she have been skiing?
mustn't we have been skiing?
mustn't you have been skiing?
mustn't they have been skiing?