Tree plantation is an important task (Negative) | Tree plantation is an important task (Affirmative to Negative)

Affirmative: Tree plantation is an important task. (Make it a negative sentence)

Negative: Tree plantation is not an unimportant task.

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Make 20 sentences with the word (Good);

1. Good night!
2. Good luck.
3. I feel good.
4. Is it good?
5. That's good.
6. What's good?
7. Good morning.
8. Good evening.
9. You look good. 
10. It's very good. 
11. Have a good day.
12. That looks good.
13. I'm feeling good. 
14. This is not good. 
15. He's looking good.
16. I don't feel good.
17. This cake is good. 
18. You're a good man.
19. He's a good person.
20. That's a good idea!