fast

[Elisabeth]

Hi!
Are all three adverbs possible in these phrases:

to run fast
to run quickly
to run swiftly

Thanks in advance!
Elisabeth

[Marius Hancu]

Yes, but see synonyms at:
http://www.merriam-webster.com/dictionary/fast


Try:

686 on "he ran swiftly"
http://books.google.com/books?q=%22he+ran+swiftly%22&btnG=Search+Books

[OddThomas]

See my comments on went and traveled. A similar scale applies here from fast to swiftly.