English verb conjugation MUST PIERCE

Regular verb: pierce - pierced - pierced

Affirmation

Simple form

I must pierce
you must pierce
he must pierce
we must pierce
you must pierce
they must pierce

V-ing form

I must be piercing
you must be piercing
he must be piercing
we must be piercing
you must be piercing
they must be piercing

Perfect

I must have pierced
you must have pierced
he must have pierced
we must have pierced
you must have pierced
they must have pierced

V-ing perfect

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

Negation

Simple form

I must not pierce
you must not pierce
he must not pierce
we must not pierce
you must not pierce
they must not pierce

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I pierce?
must you pierce?
must he pierce?
must we pierce?
must you pierce?
must they pierce?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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