English verb conjugation MUST PRECLEAN

Regular verb: preclean - precleaned - precleaned

Affirmation

Simple form

I must preclean
you must preclean
he must preclean
we must preclean
you must preclean
they must preclean

V-ing form

I must be precleaning
you must be precleaning
he must be precleaning
we must be precleaning
you must be precleaning
they must be precleaning

Perfect

I must have precleaned
you must have precleaned
he must have precleaned
we must have precleaned
you must have precleaned
they must have precleaned

V-ing perfect

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

Negation

Simple form

I mustn't preclean
you mustn't preclean
he mustn't preclean
we mustn't preclean
you mustn't preclean
they mustn't preclean

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I preclean?
must you preclean?
must he preclean?
must we preclean?
must you preclean?
must they preclean?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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