English verb conjugation MUST MARBLE

Regular verb: marble - marbled - marbled

Affirmation

Simple form

I must marble
you must marble
he must marble
we must marble
you must marble
they must marble

V-ing form

I must be marbling
you must be marbling
he must be marbling
we must be marbling
you must be marbling
they must be marbling

Perfect

I must have marbled
you must have marbled
he must have marbled
we must have marbled
you must have marbled
they must have marbled

V-ing perfect

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

Negation

Simple form

I must not marble
you must not marble
he must not marble
we must not marble
you must not marble
they must not marble

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I marble?
must you marble?
must he marble?
must we marble?
must you marble?
must they marble?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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