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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST CRAB

Regular verb: crab - crabbed - crabbed


Affirmation

Simple form
I must crab
you must crab
she must crab
we must crab
you must crab
they must crab
V-ing form
I must be crabbing
you must be crabbing
she must be crabbing
we must be crabbing
you must be crabbing
they must be crabbing
Perfect
I must have crabbed
you must have crabbed
she 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
she must have been crabbing
we must have been crabbing
you must have been crabbing
they must have been crabbing

Negation

Simple form
I mustn't crab
you mustn't crab
she mustn't crab
we mustn't crab
you mustn't crab
they mustn't crab
V-ing form
I mustn't be crabbing
you mustn't be crabbing
she mustn't be crabbing
we mustn't be crabbing
you mustn't be crabbing
they mustn't be crabbing
Perfect
I mustn't have crabbed
you mustn't have crabbed
she mustn't have crabbed
we mustn't have crabbed
you mustn't have crabbed
they mustn't have crabbed
V-ing perfect
I mustn't have been crabbing
you mustn't have been crabbing
she mustn't have been crabbing
we mustn't have been crabbing
you mustn't have been crabbing
they mustn't have been crabbing

Interrogative form

Simple form
must I crab?
must you crab?
must she crab?
must we crab?
must you crab?
must they crab?
V-ing form
must I be crabbing?
must you be crabbing?
must she be crabbing?
must we be crabbing?
must you be crabbing?
must they be crabbing?
Perfect
must I have crabbed?
must you have crabbed?
must she 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 she have been crabbing?
must we have been crabbing?
must you have been crabbing?
must they have been crabbing?

Interro-negative form

Simple form
mustn't I crab?
mustn't you crab?
mustn't she crab?
mustn't we crab?
mustn't you crab?
mustn't they crab?
V-ing form
mustn't I be crabbing?
mustn't you be crabbing?
mustn't she be crabbing?
mustn't we be crabbing?
mustn't you be crabbing?
mustn't they be crabbing?
Perfect
mustn't I have crabbed?
mustn't you have crabbed?
mustn't she have crabbed?
mustn't we have crabbed?
mustn't you have crabbed?
mustn't they have crabbed?
V-ing perfect
mustn't I have been crabbing?
mustn't you have been crabbing?
mustn't she have been crabbing?
mustn't we have been crabbing?
mustn't you have been crabbing?
mustn't they have been crabbing?