quickly-slowly
carefully-carelessly
lowdly-quietly
well-badly
quick-slow
careful-careless
loud-quiet
bad-good
2. She usually walks slowly.
3. He usually rides a bike carelessly.
4. She usually rides a bike carefully.
5. He usually speaks loudly.
6. she usually speaks quietly.
7. He usually plays the piano well.
8. She usually plays the piano badly.