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 mustn't precertify
you mustn't precertify
he mustn't precertify
we mustn't precertify
you mustn't precertify
they mustn't precertify

V-ing form

I mustn't be precertifying
you mustn't be precertifying
he mustn't be precertifying
we mustn't be precertifying
you mustn't be precertifying
they mustn't be precertifying

Perfect

I mustn't have precertified
you mustn't have precertified
he mustn't have precertified
we mustn't have precertified
you mustn't have precertified
they mustn't have precertified

V-ing perfect

I mustn't have been precertifying
you mustn't have been precertifying
he mustn't have been precertifying
we mustn't have been precertifying
you mustn't have been precertifying
they mustn't 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

mustn't I precertify?
mustn't you precertify?
mustn't he precertify?
mustn't we precertify?
mustn't you precertify?
mustn't they precertify?

V-ing form

mustn't I be precertifying?
mustn't you be precertifying?
mustn't he be precertifying?
mustn't we be precertifying?
mustn't you be precertifying?
mustn't they be precertifying?

Perfect

mustn't I have precertified?
mustn't you have precertified?
mustn't he have precertified?
mustn't we have precertified?
mustn't you have precertified?
mustn't they have precertified?

V-ing perfect

mustn't I have been precertifying?
mustn't you have been precertifying?
mustn't he have been precertifying?
mustn't we have been precertifying?
mustn't you have been precertifying?
mustn't they have been precertifying?

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