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 must not overstudy
you must not overstudy
he must not overstudy
we must not overstudy
you must not overstudy
they must not overstudy

V-ing form

I must not be overstudying
you must not be overstudying
he must not be overstudying
we must not be overstudying
you must not be overstudying
they must not be overstudying

Perfect

I must not have overstudied
you must not have overstudied
he must not have overstudied
we must not have overstudied
you must not have overstudied
they must not have overstudied

V-ing perfect

I must not have been overstudying
you must not have been overstudying
he must not have been overstudying
we must not have been overstudying
you must not have been overstudying
they must not 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

must I not overstudy?
must you not overstudy?
must he not overstudy?
must we not overstudy?
must you not overstudy?
must they not overstudy?

V-ing form

must I not be overstudying?
must you not be overstudying?
must he not be overstudying?
must we not be overstudying?
must you not be overstudying?
must they not be overstudying?

Perfect

must I not have overstudied?
must you not have overstudied?
must he not have overstudied?
must we not have overstudied?
must you not have overstudied?
must they not have overstudied?

V-ing perfect

must I not have been overstudying?
must you not have been overstudying?
must he not have been overstudying?
must we not have been overstudying?
must you not have been overstudying?
must they not have been overstudying?

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