English verb conjugation MUST SPRIG

Regular verb: sprig - sprigged - sprigged

Affirmation

Simple form

I must sprig
you must sprig
he must sprig
we must sprig
you must sprig
they must sprig

V-ing form

I must be sprigging
you must be sprigging
he must be sprigging
we must be sprigging
you must be sprigging
they must be sprigging

Perfect

I must have sprigged
you must have sprigged
he must have sprigged
we must have sprigged
you must have sprigged
they must have sprigged

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I sprig?
must you sprig?
must he sprig?
must we sprig?
must you sprig?
must they sprig?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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