quickly-slowly
carefully-carelessly
loudly-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.He usually speaks quietly.
7.He usually plays the piano well.
8.She usually plays the piano badly.