English verb conjugation MUST GROUSE

Regular verb: grouse - groused - groused

Affirmation

Simple form

I must grouse
you must grouse
he must grouse
we must grouse
you must grouse
they must grouse

V-ing form

I must be grousing
you must be grousing
he must be grousing
we must be grousing
you must be grousing
they must be grousing

Perfect

I must have groused
you must have groused
he must have groused
we must have groused
you must have groused
they must have groused

V-ing perfect

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

Negation

Simple form

I must not grouse
you must not grouse
he must not grouse
we must not grouse
you must not grouse
they must not grouse

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I grouse?
must you grouse?
must he grouse?
must we grouse?
must you grouse?
must they grouse?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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