English verb conjugation MUST PREINVESTIGATE

Regular verb: preinvestigate - preinvestigated - preinvestigated

Affirmation

Simple form

I must preinvestigate
you must preinvestigate
he must preinvestigate
we must preinvestigate
you must preinvestigate
they must preinvestigate

V-ing form

I must be preinvestigating
you must be preinvestigating
he must be preinvestigating
we must be preinvestigating
you must be preinvestigating
they must be preinvestigating

Perfect

I must have preinvestigated
you must have preinvestigated
he must have preinvestigated
we must have preinvestigated
you must have preinvestigated
they must have preinvestigated

V-ing perfect

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

Negation

Simple form

I must not preinvestigate
you must not preinvestigate
he must not preinvestigate
we must not preinvestigate
you must not preinvestigate
they must not preinvestigate

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I preinvestigate?
must you preinvestigate?
must he preinvestigate?
must we preinvestigate?
must you preinvestigate?
must they preinvestigate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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