Presuming with 〜だろう and 〜でしょう

Presuming or supposing something, with no particular information or evidence to back up that position, is expressed by appending だろう (from だ) or でしょう (from です) to a noun, verb, or adjective. As an expression, it has the meaning of “I wonder” or “don’t you agree?”

Examples of 〜だろう and examples of 〜でしょう

See Also

Further Reading

  • Kamiya, Taeko. “Expressing Conjecture and Hearsay, and Quoting People.” Japanese Sentence Patterns for Effective Communication, Kodansha, 2005, p. 217
  • Makino, Seiichi and Michio Tsutsui. “Main Entries.” A Dictionary of Basic Japanese Grammar, The Japan Times Ltd., 1989, pp. 100–102