Converse of object

• age: Sydney Clarence Meppem, 6192, was killed, aged twenty-one, on Sunday 18th October 1916.

• have: This means that you're allowed to ensure your hand against the possibility of the dealer having a natural twenty-one with his two cards.

• reach: Heaven help the boy who won't reach twenty-one, Heaven help the man who gave that boy a gun.

• mean: He noticed that the clock on the mantelpiece said nine, meaning twenty-one.

Preposition: at

• time: No person, not twenty-one at the time the will is proved can act as an executor.

Adjective modifier

• least: At least twenty-one clear days notice of every annual general meeting shall be given.

• only: Last season, Crawley Town was one of only twenty-one Non League clubs to achieve average attendances of 1,000 or higher.

Modifies a noun

• percent: Twenty-one percent of the 34 million hectares of cotton were GM, up from 20 % last year.

• days.: Do your yoga and your journal as you rise at dawn each day for the next twenty-one days. Be still.

• day: At least twenty-one days notice shall be given of the Annual General Meeting.

• year: Leases ran for twenty-one years with rent stable for the first seven to enable the farm to develop.

• foot: The project's goal was to replicate a twenty-one foot cargo boat.

Noun used with modifier

• age: Proof of age will be required through age twenty-one.

• number: The first bag ( with the car numbers on indicating what driver ), you pull out car number twenty-one.

• period: In the reporting period twenty-one reports have been prepared.