English verb conjugation MUST BUSY

Regular verb: busy - busied - busied


Affirmation

Simple form

I must busy
you must busy
he must busy
we must busy
you must busy
they must busy

V-ing form

I must be busying
you must be busying
he must be busying
we must be busying
you must be busying
they must be busying

Perfect

I must have busied
you must have busied
he must have busied
we must have busied
you must have busied
they must have busied

V-ing perfect

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

Negation

Simple form

I must not busy
you must not busy
he must not busy
we must not busy
you must not busy
they must not busy

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I busy?
must you busy?
must he busy?
must we busy?
must you busy?
must they busy?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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