English verb conjugation MUST INTER

Regular verb: inter - interred - interred

Affirmation

Simple form

I must inter
you must inter
he must inter
we must inter
you must inter
they must inter

V-ing form

I must be interring
you must be interring
he must be interring
we must be interring
you must be interring
they must be interring

Perfect

I must have interred
you must have interred
he must have interred
we must have interred
you must have interred
they must have interred

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I inter?
must you inter?
must he inter?
must we inter?
must you inter?
must they inter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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