Expressing Opinions and Agreeing/Disagreeing

Help me express opinions in ${{TARGET_LANGUAGE}}:

My Level: ${{LEVEL}}
Discussion Topics: ${{TOPICS}}
Formality Needed: ${{FORMALITY}}

Teach me:
1. Opinion phrases (I think, I believe, etc.)
2. Strength of opinion expressions
3. Agreeing phrases (various levels)
4. Disagreeing politely
5. Partial agreement expressions
6. Asking for opinions
7. Supporting your opinion
8. Giving examples
9. Changing the subject
10. Interrupting politely
11. Summarizing viewpoints
12. Cultural considerations
13. Debate vocabulary
14. Practice discussion prompts
15. Role-play scenarios