English verb conjugation MUST PRECHECK

Regular verb: precheck - prechecked - prechecked

Affirmation

Simple form

I must precheck
you must precheck
she must precheck
we must precheck
you must precheck
they must precheck

V-ing form

I must be prechecking
you must be prechecking
she must be prechecking
we must be prechecking
you must be prechecking
they must be prechecking

Perfect

I must have prechecked
you must have prechecked
she must have prechecked
we must have prechecked
you must have prechecked
they must have prechecked

V-ing perfect

I must have been prechecking
you must have been prechecking
she must have been prechecking
we must have been prechecking
you must have been prechecking
they must have been prechecking

Negation

Simple form

I mustn't precheck
you mustn't precheck
she mustn't precheck
we mustn't precheck
you mustn't precheck
they mustn't precheck

V-ing form

I mustn't be prechecking
you mustn't be prechecking
she mustn't be prechecking
we mustn't be prechecking
you mustn't be prechecking
they mustn't be prechecking

Perfect

I mustn't have prechecked
you mustn't have prechecked
she mustn't have prechecked
we mustn't have prechecked
you mustn't have prechecked
they mustn't have prechecked

V-ing perfect

I mustn't have been prechecking
you mustn't have been prechecking
she mustn't have been prechecking
we mustn't have been prechecking
you mustn't have been prechecking
they mustn't have been prechecking

Interrogative form

Simple form

must I precheck?
must you precheck?
must she precheck?
must we precheck?
must you precheck?
must they precheck?

V-ing form

must I be prechecking?
must you be prechecking?
must she be prechecking?
must we be prechecking?
must you be prechecking?
must they be prechecking?

Perfect

must I have prechecked?
must you have prechecked?
must she have prechecked?
must we have prechecked?
must you have prechecked?
must they have prechecked?

V-ing perfect

must I have been prechecking?
must you have been prechecking?
must she have been prechecking?
must we have been prechecking?
must you have been prechecking?
must they have been prechecking?

Interro-negative form

Simple form

mustn't I precheck?
mustn't you precheck?
mustn't she precheck?
mustn't we precheck?
mustn't you precheck?
mustn't they precheck?

V-ing form

mustn't I be prechecking?
mustn't you be prechecking?
mustn't she be prechecking?
mustn't we be prechecking?
mustn't you be prechecking?
mustn't they be prechecking?

Perfect

mustn't I have prechecked?
mustn't you have prechecked?
mustn't she have prechecked?
mustn't we have prechecked?
mustn't you have prechecked?
mustn't they have prechecked?

V-ing perfect

mustn't I have been prechecking?
mustn't you have been prechecking?
mustn't she have been prechecking?
mustn't we have been prechecking?
mustn't you have been prechecking?
mustn't they have been prechecking?

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