English verb conjugation MUST IMPRESS

Regular verb: impress - impressed - impressed

Affirmation

Simple form

I must impress
you must impress
he must impress
we must impress
you must impress
they must impress

V-ing form

I must be impressing
you must be impressing
he must be impressing
we must be impressing
you must be impressing
they must be impressing

Perfect

I must have impressed
you must have impressed
he must have impressed
we must have impressed
you must have impressed
they must have impressed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I impress?
must you impress?
must he impress?
must we impress?
must you impress?
must they impress?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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