English verb conjugation MUST QUICKEN

Regular verb: quicken - quickened - quickened

Affirmation

Simple form

I must quicken
you must quicken
he must quicken
we must quicken
you must quicken
they must quicken

V-ing form

I must be quickening
you must be quickening
he must be quickening
we must be quickening
you must be quickening
they must be quickening

Perfect

I must have quickened
you must have quickened
he must have quickened
we must have quickened
you must have quickened
they must have quickened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I quicken?
must you quicken?
must he quicken?
must we quicken?
must you quicken?
must they quicken?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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