English verb conjugation MUST COMBINE

Regular verb: combine - combined - combined

Affirmation

Simple form

I must combine
you must combine
she must combine
we must combine
you must combine
they must combine

V-ing form

I must be combining
you must be combining
she must be combining
we must be combining
you must be combining
they must be combining

Perfect

I must have combined
you must have combined
she must have combined
we must have combined
you must have combined
they must have combined

V-ing perfect

I must have been combining
you must have been combining
she must have been combining
we must have been combining
you must have been combining
they must have been combining

Negation

Simple form

I must not combine
you must not combine
she must not combine
we must not combine
you must not combine
they must not combine

V-ing form

I must not be combining
you must not be combining
she must not be combining
we must not be combining
you must not be combining
they must not be combining

Perfect

I must not have combined
you must not have combined
she must not have combined
we must not have combined
you must not have combined
they must not have combined

V-ing perfect

I must not have been combining
you must not have been combining
she must not have been combining
we must not have been combining
you must not have been combining
they must not have been combining

Interrogative form

Simple form

must I combine?
must you combine?
must she combine?
must we combine?
must you combine?
must they combine?

V-ing form

must I be combining?
must you be combining?
must she be combining?
must we be combining?
must you be combining?
must they be combining?

Perfect

must I have combined?
must you have combined?
must she have combined?
must we have combined?
must you have combined?
must they have combined?

V-ing perfect

must I have been combining?
must you have been combining?
must she have been combining?
must we have been combining?
must you have been combining?
must they have been combining?

Interro-negative form

Simple form

must I not combine?
must you not combine?
must she not combine?
must we not combine?
must you not combine?
must they not combine?

V-ing form

must I not be combining?
must you not be combining?
must she not be combining?
must we not be combining?
must you not be combining?
must they not be combining?

Perfect

must I not have combined?
must you not have combined?
must she not have combined?
must we not have combined?
must you not have combined?
must they not have combined?

V-ing perfect

must I not have been combining?
must you not have been combining?
must she not have been combining?
must we not have been combining?
must you not have been combining?
must they not have been combining?

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