English verb conjugation MUST OVERSTUDY

Regular verb: overstudy - overstudied - overstudied

Affirmation

Simple form

I must overstudy
you must overstudy
he must overstudy
we must overstudy
you must overstudy
they must overstudy

V-ing form

I must be overstudying
you must be overstudying
he must be overstudying
we must be overstudying
you must be overstudying
they must be overstudying

Perfect

I must have overstudied
you must have overstudied
he must have overstudied
we must have overstudied
you must have overstudied
they must have overstudied

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I overstudy?
must you overstudy?
must he overstudy?
must we overstudy?
must you overstudy?
must they overstudy?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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