English verb conjugation MUST CROSSRUFF

Regular verb: crossruff - crossruffed - crossruffed

Affirmation

Simple form

I must crossruff
you must crossruff
he must crossruff
we must crossruff
you must crossruff
they must crossruff

V-ing form

I must be crossruffing
you must be crossruffing
he must be crossruffing
we must be crossruffing
you must be crossruffing
they must be crossruffing

Perfect

I must have crossruffed
you must have crossruffed
he must have crossruffed
we must have crossruffed
you must have crossruffed
they must have crossruffed

V-ing perfect

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

Negation

Simple form

I must not crossruff
you must not crossruff
he must not crossruff
we must not crossruff
you must not crossruff
they must not crossruff

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I crossruff?
must you crossruff?
must he crossruff?
must we crossruff?
must you crossruff?
must they crossruff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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