English verb conjugation MUST SHORTEN

Regular verb: shorten - shortened - shortened

Affirmation

Simple form

I must shorten
you must shorten
he must shorten
we must shorten
you must shorten
they must shorten

V-ing form

I must be shortening
you must be shortening
he must be shortening
we must be shortening
you must be shortening
they must be shortening

Perfect

I must have shortened
you must have shortened
he must have shortened
we must have shortened
you must have shortened
they must have shortened

V-ing perfect

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

Negation

Simple form

I must not shorten
you must not shorten
he must not shorten
we must not shorten
you must not shorten
they must not shorten

V-ing form

I must not be shortening
you must not be shortening
he must not be shortening
we must not be shortening
you must not be shortening
they must not be shortening

Perfect

I must not have shortened
you must not have shortened
he must not have shortened
we must not have shortened
you must not have shortened
they must not have shortened

V-ing perfect

I must not have been shortening
you must not have been shortening
he must not have been shortening
we must not have been shortening
you must not have been shortening
they must not have been shortening

Interrogative form

Simple form

must I shorten?
must you shorten?
must he shorten?
must we shorten?
must you shorten?
must they shorten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

must I not shorten?
must you not shorten?
must he not shorten?
must we not shorten?
must you not shorten?
must they not shorten?

V-ing form

must I not be shortening?
must you not be shortening?
must he not be shortening?
must we not be shortening?
must you not be shortening?
must they not be shortening?

Perfect

must I not have shortened?
must you not have shortened?
must he not have shortened?
must we not have shortened?
must you not have shortened?
must they not have shortened?

V-ing perfect

must I not have been shortening?
must you not have been shortening?
must he not have been shortening?
must we not have been shortening?
must you not have been shortening?
must they not have been shortening?

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