English verb conjugation MUST BREATHE

Regular verb: breathe - breathed - breathed


Affirmation

Simple form

I must breathe
you must breathe
he must breathe
we must breathe
you must breathe
they must breathe

V-ing form

I must be breathing
you must be breathing
he must be breathing
we must be breathing
you must be breathing
they must be breathing

Perfect

I must have breathed
you must have breathed
he must have breathed
we must have breathed
you must have breathed
they must have breathed

V-ing perfect

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

Negation

Simple form

I must not breathe
you must not breathe
he must not breathe
we must not breathe
you must not breathe
they must not breathe

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I breathe?
must you breathe?
must he breathe?
must we breathe?
must you breathe?
must they breathe?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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