English verb conjugation MUST ASSAIL

Regular verb: assail - assailed - assailed

Affirmation

Simple form

I must assail
you must assail
he must assail
we must assail
you must assail
they must assail

V-ing form

I must be assailing
you must be assailing
he must be assailing
we must be assailing
you must be assailing
they must be assailing

Perfect

I must have assailed
you must have assailed
he must have assailed
we must have assailed
you must have assailed
they must have assailed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I assail?
must you assail?
must he assail?
must we assail?
must you assail?
must they assail?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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