English verb conjugation MUST RETRIEVE

Regular verb: retrieve - retrieved - retrieved

Affirmation

Simple form

I must retrieve
you must retrieve
she must retrieve
we must retrieve
you must retrieve
they must retrieve

V-ing form

I must be retrieving
you must be retrieving
she must be retrieving
we must be retrieving
you must be retrieving
they must be retrieving

Perfect

I must have retrieved
you must have retrieved
she must have retrieved
we must have retrieved
you must have retrieved
they must have retrieved

V-ing perfect

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

Negation

Simple form

I must not retrieve
you must not retrieve
she must not retrieve
we must not retrieve
you must not retrieve
they must not retrieve

V-ing form

I must not be retrieving
you must not be retrieving
she must not be retrieving
we must not be retrieving
you must not be retrieving
they must not be retrieving

Perfect

I must not have retrieved
you must not have retrieved
she must not have retrieved
we must not have retrieved
you must not have retrieved
they must not have retrieved

V-ing perfect

I must not have been retrieving
you must not have been retrieving
she must not have been retrieving
we must not have been retrieving
you must not have been retrieving
they must not have been retrieving

Interrogative form

Simple form

must I retrieve?
must you retrieve?
must she retrieve?
must we retrieve?
must you retrieve?
must they retrieve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

must I not retrieve?
must you not retrieve?
must she not retrieve?
must we not retrieve?
must you not retrieve?
must they not retrieve?

V-ing form

must I not be retrieving?
must you not be retrieving?
must she not be retrieving?
must we not be retrieving?
must you not be retrieving?
must they not be retrieving?

Perfect

must I not have retrieved?
must you not have retrieved?
must she not have retrieved?
must we not have retrieved?
must you not have retrieved?
must they not have retrieved?

V-ing perfect

must I not have been retrieving?
must you not have been retrieving?
must she not have been retrieving?
must we not have been retrieving?
must you not have been retrieving?
must they not have been retrieving?

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