English verb conjugation MUST SLIPPER

Regular verb: slipper - slippered - slippered

Affirmation

Simple form

I must slipper
you must slipper
he must slipper
we must slipper
you must slipper
they must slipper

V-ing form

I must be slippering
you must be slippering
he must be slippering
we must be slippering
you must be slippering
they must be slippering

Perfect

I must have slippered
you must have slippered
he must have slippered
we must have slippered
you must have slippered
they must have slippered

V-ing perfect

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

Negation

Simple form

I must not slipper
you must not slipper
he must not slipper
we must not slipper
you must not slipper
they must not slipper

V-ing form

I must not be slippering
you must not be slippering
he must not be slippering
we must not be slippering
you must not be slippering
they must not be slippering

Perfect

I must not have slippered
you must not have slippered
he must not have slippered
we must not have slippered
you must not have slippered
they must not have slippered

V-ing perfect

I must not have been slippering
you must not have been slippering
he must not have been slippering
we must not have been slippering
you must not have been slippering
they must not have been slippering

Interrogative form

Simple form

must I slipper?
must you slipper?
must he slipper?
must we slipper?
must you slipper?
must they slipper?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

must I not slipper?
must you not slipper?
must he not slipper?
must we not slipper?
must you not slipper?
must they not slipper?

V-ing form

must I not be slippering?
must you not be slippering?
must he not be slippering?
must we not be slippering?
must you not be slippering?
must they not be slippering?

Perfect

must I not have slippered?
must you not have slippered?
must he not have slippered?
must we not have slippered?
must you not have slippered?
must they not have slippered?

V-ing perfect

must I not have been slippering?
must you not have been slippering?
must he not have been slippering?
must we not have been slippering?
must you not have been slippering?
must they not have been slippering?

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