Complete the rules with the given words

• "when"
• "who"
• "which"
• "where"
• "whose"
• "why"

1. We use [ ] or "that" to refer to the time.
2. We use [ ] or "that" to refer to people.
3. We use [ ] or "that" to refer to things.
4. We use [ ] to refer to the place.
5. We use [ ] to show possession.
6. We use [ ] to give a reason.