English verb conjugation MUST SPEARFISH

Regular verb: spearfish - spearfished - spearfished

Affirmation

Simple form

I must spearfish
you must spearfish
he must spearfish
we must spearfish
you must spearfish
they must spearfish

V-ing form

I must be spearfishing
you must be spearfishing
he must be spearfishing
we must be spearfishing
you must be spearfishing
they must be spearfishing

Perfect

I must have spearfished
you must have spearfished
he must have spearfished
we must have spearfished
you must have spearfished
they must have spearfished

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I spearfish?
must you spearfish?
must he spearfish?
must we spearfish?
must you spearfish?
must they spearfish?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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