English verb conjugation MUST SPECK

Regular verb: speck - specked - specked

Affirmation

Simple form

I must speck
you must speck
she must speck
we must speck
you must speck
they must speck

V-ing form

I must be specking
you must be specking
she must be specking
we must be specking
you must be specking
they must be specking

Perfect

I must have specked
you must have specked
she must have specked
we must have specked
you must have specked
they must have specked

V-ing perfect

I must have been specking
you must have been specking
she must have been specking
we must have been specking
you must have been specking
they must have been specking

Negation

Simple form

I mustn't speck
you mustn't speck
she mustn't speck
we mustn't speck
you mustn't speck
they mustn't speck

V-ing form

I mustn't be specking
you mustn't be specking
she mustn't be specking
we mustn't be specking
you mustn't be specking
they mustn't be specking

Perfect

I mustn't have specked
you mustn't have specked
she mustn't have specked
we mustn't have specked
you mustn't have specked
they mustn't have specked

V-ing perfect

I mustn't have been specking
you mustn't have been specking
she mustn't have been specking
we mustn't have been specking
you mustn't have been specking
they mustn't have been specking

Interrogative form

Simple form

must I speck?
must you speck?
must she speck?
must we speck?
must you speck?
must they speck?

V-ing form

must I be specking?
must you be specking?
must she be specking?
must we be specking?
must you be specking?
must they be specking?

Perfect

must I have specked?
must you have specked?
must she have specked?
must we have specked?
must you have specked?
must they have specked?

V-ing perfect

must I have been specking?
must you have been specking?
must she have been specking?
must we have been specking?
must you have been specking?
must they have been specking?

Interro-negative form

Simple form

mustn't I speck?
mustn't you speck?
mustn't she speck?
mustn't we speck?
mustn't you speck?
mustn't they speck?

V-ing form

mustn't I be specking?
mustn't you be specking?
mustn't she be specking?
mustn't we be specking?
mustn't you be specking?
mustn't they be specking?

Perfect

mustn't I have specked?
mustn't you have specked?
mustn't she have specked?
mustn't we have specked?
mustn't you have specked?
mustn't they have specked?

V-ing perfect

mustn't I have been specking?
mustn't you have been specking?
mustn't she have been specking?
mustn't we have been specking?
mustn't you have been specking?
mustn't they have been specking?

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