English verb conjugation MUST STIR

Regular verb: stir - stirred - stirred


Affirmation

Simple form

I must stir
you must stir
he must stir
we must stir
you must stir
they must stir

V-ing form

I must be stirring
you must be stirring
he must be stirring
we must be stirring
you must be stirring
they must be stirring

Perfect

I must have stirred
you must have stirred
he must have stirred
we must have stirred
you must have stirred
they must have stirred

V-ing perfect

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

Negation

Simple form

I must not stir
you must not stir
he must not stir
we must not stir
you must not stir
they must not stir

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I stir?
must you stir?
must he stir?
must we stir?
must you stir?
must they stir?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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