English verb conjugation MUST CRAB

Regular verb: crab - crabbed - crabbed

Affirmation

Simple form

I must crab
you must crab
he must crab
we must crab
you must crab
they must crab

V-ing form

I must be crabbing
you must be crabbing
he must be crabbing
we must be crabbing
you must be crabbing
they must be crabbing

Perfect

I must have crabbed
you must have crabbed
he must have crabbed
we must have crabbed
you must have crabbed
they must have crabbed

V-ing perfect

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

Negation

Simple form

I must not crab
you must not crab
he must not crab
we must not crab
you must not crab
they must not crab

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I crab?
must you crab?
must he crab?
must we crab?
must you crab?
must they crab?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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