English verb conjugation MUST TEETER

Regular verb: teeter - teetered - teetered

Affirmation

Simple form

I must teeter
you must teeter
he must teeter
we must teeter
you must teeter
they must teeter

V-ing form

I must be teetering
you must be teetering
he must be teetering
we must be teetering
you must be teetering
they must be teetering

Perfect

I must have teetered
you must have teetered
he must have teetered
we must have teetered
you must have teetered
they must have teetered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I teeter?
must you teeter?
must he teeter?
must we teeter?
must you teeter?
must they teeter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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