English verb conjugation MUST ROLF

Regular verb: rolf - rolfed - rolfed

Affirmation

Simple form

I must rolf
you must rolf
he must rolf
we must rolf
you must rolf
they must rolf

V-ing form

I must be rolfing
you must be rolfing
he must be rolfing
we must be rolfing
you must be rolfing
they must be rolfing

Perfect

I must have rolfed
you must have rolfed
he must have rolfed
we must have rolfed
you must have rolfed
they must have rolfed

V-ing perfect

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

Negation

Simple form

I must not rolf
you must not rolf
he must not rolf
we must not rolf
you must not rolf
they must not rolf

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I rolf?
must you rolf?
must he rolf?
must we rolf?
must you rolf?
must they rolf?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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