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

English verb conjugation MUST REEF

Regular verb: reef - reefed - reefed


Affirmation

Simple form
I must reef
you must reef
she must reef
we must reef
you must reef
they must reef
V-ing form
I must be reefing
you must be reefing
she must be reefing
we must be reefing
you must be reefing
they must be reefing
Perfect
I must have reefed
you must have reefed
she must have reefed
we must have reefed
you must have reefed
they must have reefed
V-ing perfect
I must have been reefing
you must have been reefing
she must have been reefing
we must have been reefing
you must have been reefing
they must have been reefing

Negation

Simple form
I mustn't reef
you mustn't reef
she mustn't reef
we mustn't reef
you mustn't reef
they mustn't reef
V-ing form
I mustn't be reefing
you mustn't be reefing
she mustn't be reefing
we mustn't be reefing
you mustn't be reefing
they mustn't be reefing
Perfect
I mustn't have reefed
you mustn't have reefed
she mustn't have reefed
we mustn't have reefed
you mustn't have reefed
they mustn't have reefed
V-ing perfect
I mustn't have been reefing
you mustn't have been reefing
she mustn't have been reefing
we mustn't have been reefing
you mustn't have been reefing
they mustn't have been reefing

Interrogative form

Simple form
must I reef?
must you reef?
must she reef?
must we reef?
must you reef?
must they reef?
V-ing form
must I be reefing?
must you be reefing?
must she be reefing?
must we be reefing?
must you be reefing?
must they be reefing?
Perfect
must I have reefed?
must you have reefed?
must she have reefed?
must we have reefed?
must you have reefed?
must they have reefed?
V-ing perfect
must I have been reefing?
must you have been reefing?
must she have been reefing?
must we have been reefing?
must you have been reefing?
must they have been reefing?

Interro-negative form

Simple form
mustn't I reef?
mustn't you reef?
mustn't she reef?
mustn't we reef?
mustn't you reef?
mustn't they reef?
V-ing form
mustn't I be reefing?
mustn't you be reefing?
mustn't she be reefing?
mustn't we be reefing?
mustn't you be reefing?
mustn't they be reefing?
Perfect
mustn't I have reefed?
mustn't you have reefed?
mustn't she have reefed?
mustn't we have reefed?
mustn't you have reefed?
mustn't they have reefed?
V-ing perfect
mustn't I have been reefing?
mustn't you have been reefing?
mustn't she have been reefing?
mustn't we have been reefing?
mustn't you have been reefing?
mustn't they have been reefing?