English verb conjugation MUST SIMPER

Regular verb: simper - simpered - simpered

Affirmation

Simple form

I must simper
you must simper
he must simper
we must simper
you must simper
they must simper

V-ing form

I must be simpering
you must be simpering
he must be simpering
we must be simpering
you must be simpering
they must be simpering

Perfect

I must have simpered
you must have simpered
he must have simpered
we must have simpered
you must have simpered
they must have simpered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I simper?
must you simper?
must he simper?
must we simper?
must you simper?
must they simper?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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