English verb conjugation MUST PROLONG

Regular verb: prolong - prolonged - prolonged

Affirmation

Simple form

I must prolong
you must prolong
he must prolong
we must prolong
you must prolong
they must prolong

V-ing form

I must be prolonging
you must be prolonging
he must be prolonging
we must be prolonging
you must be prolonging
they must be prolonging

Perfect

I must have prolonged
you must have prolonged
he must have prolonged
we must have prolonged
you must have prolonged
they must have prolonged

V-ing perfect

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

Negation

Simple form

I must not prolong
you must not prolong
he must not prolong
we must not prolong
you must not prolong
they must not prolong

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I prolong?
must you prolong?
must he prolong?
must we prolong?
must you prolong?
must they prolong?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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