English verb conjugation MUST BETTER

Regular verb: better - bettered - bettered

Affirmation

Simple form

I must better
you must better
he must better
we must better
you must better
they must better

V-ing form

I must be bettering
you must be bettering
he must be bettering
we must be bettering
you must be bettering
they must be bettering

Perfect

I must have bettered
you must have bettered
he must have bettered
we must have bettered
you must have bettered
they must have bettered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I better?
must you better?
must he better?
must we better?
must you better?
must they better?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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