1. 'Beauty is truth'. Here 'Beauty' is- 2. Noun form of 'know' is- 3. The boy writes well. Here 'well' is a/an- 4. Every man is potential. Here 'Every' is a/an- 5. Adjective form of 'Miser' is- 6. Noun form of 'Young' is- 7. The tea is so hot that I cannot drink it. (Simple) 8. Would that I could fly in the sky! (Assertive) 9. He has a cup of tea everyday. (Interrogative) 10. He is the best boy in the class. (Positive) 11. I must do this. (Negative) 12. I know you. (Complex) 13. The sun rises in the east. 14. He is my nephew. 15. It is I who am your teacher.