English verb conjugation MUST TUMBLE

Regular verb: tumble - tumbled - tumbled

Affirmation

Simple form

I must tumble
you must tumble
he must tumble
we must tumble
you must tumble
they must tumble

V-ing form

I must be tumbling
you must be tumbling
he must be tumbling
we must be tumbling
you must be tumbling
they must be tumbling

Perfect

I must have tumbled
you must have tumbled
he must have tumbled
we must have tumbled
you must have tumbled
they must have tumbled

V-ing perfect

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

Negation

Simple form

I must not tumble
you must not tumble
he must not tumble
we must not tumble
you must not tumble
they must not tumble

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I tumble?
must you tumble?
must he tumble?
must we tumble?
must you tumble?
must they tumble?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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