English verb conjugation MUST BEST

Regular verb: best - bested - bested

Affirmation

Simple form

I must best
you must best
he must best
we must best
you must best
they must best

V-ing form

I must be besting
you must be besting
he must be besting
we must be besting
you must be besting
they must be besting

Perfect

I must have bested
you must have bested
he must have bested
we must have bested
you must have bested
they must have bested

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I best?
must you best?
must he best?
must we best?
must you best?
must they best?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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