〜だろう
〜だろう means probably; I think. It is a JLPT N5 grammar point. 「だろう」 is a plain-style form of guessing, less polite than 「でしょう」. It is used in inner speech, writing, or casual talk to mean “probably.”
Japanese sources describe it as 「たぶんそうだと思う」.
〜だろう examples
あしたは雨だろう。
It will probably rain tomorrow.
この店は安いだろう。
This store is probably cheap.
〜だろう exercises
Pick what belongs in the parentheses. The answer is marked below.
あしたは雨（ ）。
- だろう ✓
- です
- ました
- ます
It will probably rain tomorrow.
あの人は先生（ ）。
- でした
- ます
- です
- だろう ✓
That person is probably a teacher.
Learn this pattern by using it
JpMaster places N5 grammar between vocabulary lessons and drills it with fill-in-the-blank and sentence ordering. Free to use.
Start your first lesson