English verb conjugation MUST COMBINE

Regular verb: combine - combined - combined

Affirmation

Simple form

I must combine
you must combine
he must combine
we must combine
you must combine
they must combine

V-ing form

I must be combining
you must be combining
he must be combining
we must be combining
you must be combining
they must be combining

Perfect

I must have combined
you must have combined
he 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
he must have been combining
we must have been combining
you must have been combining
they must have been combining

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I combine?
must you combine?
must he combine?
must we combine?
must you combine?
must they combine?

V-ing form

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

Perfect

must I have combined?
must you have combined?
must he 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 he have been combining?
must we have been combining?
must you have been combining?
must they have been combining?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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