Exercise on 'must not' and 'need not' Level: intermediate

- must not - prohibition (it is not allowed)
- need not - option (it is not necessary)

Soccer Rules

Decide whether to use 'must not' or 'need not'.

1. The teams must notneed not have more than 11 players on the field during a match.
2. But there must notneed not even be 11 players playing for each team.
3. Players must notneed not wear anything which might injure another player.
4. Players must notneed not play the ball with their feet only.
5. Substituted players must notneed not return to the game.
6. Players must notneed not leave the game without the referee's permission.
7. Players must notneed not hold an opponent.
8. The referee must notneed not send a player off if he has committed foul play.
9. However, if a player is sent off during the game, he must notneed not be replaced.
10. A period must notneed not be over after exactly 45 minutes.

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