English verb conjugation MUST RETRIEVE

Regular verb: retrieve - retrieved - retrieved

Affirmation

Simple form

I must retrieve
you must retrieve
he must retrieve
we must retrieve
you must retrieve
they must retrieve

V-ing form

I must be retrieving
you must be retrieving
he must be retrieving
we must be retrieving
you must be retrieving
they must be retrieving

Perfect

I must have retrieved
you must have retrieved
he 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
he must have been retrieving
we must have been retrieving
you must have been retrieving
they must have been retrieving

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I retrieve?
must you retrieve?
must he retrieve?
must we retrieve?
must you retrieve?
must they retrieve?

V-ing form

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

Perfect

must I have retrieved?
must you have retrieved?
must he 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 he have been retrieving?
must we have been retrieving?
must you have been retrieving?
must they have been retrieving?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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