English verb conjugation MUST SLITHER

Regular verb: slither - slithered - slithered

Affirmation

Simple form

I must slither
you must slither
he must slither
we must slither
you must slither
they must slither

V-ing form

I must be slithering
you must be slithering
he must be slithering
we must be slithering
you must be slithering
they must be slithering

Perfect

I must have slithered
you must have slithered
he must have slithered
we must have slithered
you must have slithered
they must have slithered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I slither?
must you slither?
must he slither?
must we slither?
must you slither?
must they slither?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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