English verb conjugation MUST PRECHECK

Regular verb: precheck - prechecked - prechecked

Affirmation

Simple form

I must precheck
you must precheck
he must precheck
we must precheck
you must precheck
they must precheck

V-ing form

I must be prechecking
you must be prechecking
he must be prechecking
we must be prechecking
you must be prechecking
they must be prechecking

Perfect

I must have prechecked
you must have prechecked
he 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
he must have been prechecking
we must have been prechecking
you must have been prechecking
they must have been prechecking

Negation

Simple form

I must not precheck
you must not precheck
he must not precheck
we must not precheck
you must not precheck
they must not precheck

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I precheck?
must you precheck?
must he precheck?
must we precheck?
must you precheck?
must they precheck?

V-ing form

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

Perfect

must I have prechecked?
must you have prechecked?
must he 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 he have been prechecking?
must we have been prechecking?
must you have been prechecking?
must they have been prechecking?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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