Answer:
2. Adverb: Regularly. Comparative form: More regular. Superlative: Most regular
3. Softly, Softer, Softest
4. Sparingly, More sparing, Most sparing
5. Slowly, Slower, Slowest
6. Quietly, Quieter, Quietest
7. Legitimately don't understand this one sorry.
8. Loudly, Louder, Loudest
9. Early, Earlier, Earliest
10. Don't get this one either.