English verb conjugation MUST TRAIL

Regular verb: trail - trailed - trailed

Affirmation

Simple form

I must trail
you must trail
he must trail
we must trail
you must trail
they must trail

V-ing form

I must be trailing
you must be trailing
he must be trailing
we must be trailing
you must be trailing
they must be trailing

Perfect

I must have trailed
you must have trailed
he must have trailed
we must have trailed
you must have trailed
they must have trailed

V-ing perfect

I must have been trailing
you must have been trailing
he must have been trailing
we must have been trailing
you must have been trailing
they must have been trailing

Negation

Simple form

I mustn't trail
you mustn't trail
he mustn't trail
we mustn't trail
you mustn't trail
they mustn't trail

V-ing form

I mustn't be trailing
you mustn't be trailing
he mustn't be trailing
we mustn't be trailing
you mustn't be trailing
they mustn't be trailing

Perfect

I mustn't have trailed
you mustn't have trailed
he mustn't have trailed
we mustn't have trailed
you mustn't have trailed
they mustn't have trailed

V-ing perfect

I mustn't have been trailing
you mustn't have been trailing
he mustn't have been trailing
we mustn't have been trailing
you mustn't have been trailing
they mustn't have been trailing

Interrogative form

Simple form

must I trail?
must you trail?
must he trail?
must we trail?
must you trail?
must they trail?

V-ing form

must I be trailing?
must you be trailing?
must he be trailing?
must we be trailing?
must you be trailing?
must they be trailing?

Perfect

must I have trailed?
must you have trailed?
must he have trailed?
must we have trailed?
must you have trailed?
must they have trailed?

V-ing perfect

must I have been trailing?
must you have been trailing?
must he have been trailing?
must we have been trailing?
must you have been trailing?
must they have been trailing?

Interro-negative form

Simple form

mustn't I trail?
mustn't you trail?
mustn't he trail?
mustn't we trail?
mustn't you trail?
mustn't they trail?

V-ing form

mustn't I be trailing?
mustn't you be trailing?
mustn't he be trailing?
mustn't we be trailing?
mustn't you be trailing?
mustn't they be trailing?

Perfect

mustn't I have trailed?
mustn't you have trailed?
mustn't he have trailed?
mustn't we have trailed?
mustn't you have trailed?
mustn't they have trailed?

V-ing perfect

mustn't I have been trailing?
mustn't you have been trailing?
mustn't he have been trailing?
mustn't we have been trailing?
mustn't you have been trailing?
mustn't they have been trailing?

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