English verb conjugation MUST PRECERTIFY

Regular verb: precertify - precertified - precertified

Affirmation

Simple form

I must precertify
you must precertify
he must precertify
we must precertify
you must precertify
they must precertify

V-ing form

I must be precertifying
you must be precertifying
he must be precertifying
we must be precertifying
you must be precertifying
they must be precertifying

Perfect

I must have precertified
you must have precertified
he must have precertified
we must have precertified
you must have precertified
they must have precertified

V-ing perfect

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

Negation

Simple form

I must not precertify
you must not precertify
he must not precertify
we must not precertify
you must not precertify
they must not precertify

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I precertify?
must you precertify?
must he precertify?
must we precertify?
must you precertify?
must they precertify?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top